<PAGE>
 
               UNITED STATES SECURITIES AND EXCHANGE COMMISSION

                              WASHINGTON DC 20549

                                   FORM 10-Q


[X]  QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934
     For the quarterly period ended 31 March 1999


                                      OR


[ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934
     FOR THE TRANSITION PERIOD FROM          to         
                                    --------    --------
Commission file number 0-26376


                           ON TECHNOLOGY CORPORATION
            (Exact name of registrant as specified in its charter)


             Delaware                                     04-3162846
     (State of incorporation)               (IRS Employer Identification Number)



                             One Cambridge Center
                        Cambridge Massachusetts  02142
                                (617) 374-1400

            (Address and telephone of principal executive offices)

                                  ___________


Indicate by check mark whether registrant (1) has filed all reports required to
be filed by section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months, and (2) has been subject to such filing requirements
for the past 90 days.


                    YES    X           NO
                         -----             -----


12,462,689 shares of the registrant's Common stock, $0.01 par value, were
outstanding as of May 2, 1999.


                     THIS DOCUMENT CONTAINS   23   PAGES.
                                            ------       
                       THE EXHIBIT INDEX IS ON PAGE 23.

<PAGE>
 
                  ON TECHNOLOGY CORPORATION AND SUBSIDIARIES



                           FORM 10-Q, March 31, 1999


                                   CONTENTS

<TABLE> 
<CAPTION> 
Item Number                                                              Page
-----------                                                              ----
                        PART I:  FINANCIAL INFORMATION

<S>                                                                     <C> 
Item 1.  Condensed Consolidated Financial Statements
                  Balance sheets:
                   March 31, 1999 and December 31, 1998                    3
                  Statements of operations:
                   Three months ended March 31, 1999 and 1998              4
                  Statements of cash flows:
                   Three months ended March 31, 1999 and 1998              5
                  Notes to condensed consolidated financial statements   6-8

Item 2.  Management's Discussion and Analysis of Financial
                  Condition and Results of Operations                   9-20

Item 3.  Quantitative and Qualitative Disclosures About Market Risk     

                          PART II:  OTHER INFORMATION
Item 1.  Legal Proceedings                                                21

Item 2.  Changes in Securities                                            21

Item 3.  Defaults Upon Senior Securities                                  21

Item 4.  Submission of Matters to a Vote of Security Holders              21

Item 5.  Other Information                                                21

Item 6.  Exhibits and Reports on Form 8-K                                 21

SIGNATURES                                                                22

EXHIBIT INDEX                                                             23

</TABLE> 

                                       2
<PAGE>
 
                  ON TECHNOLOGY CORPORATION AND SUBSIDIARIES
                     CONDENSED CONSOLIDATED BALANCE SHEETS
                            (dollars in thousands)
                                  (unaudited)
<TABLE> 
<CAPTION> 
                                                                                         March 31,         December 31,
                                                                                           1999               1998
                                                                                           ----               ----
<S>                                                                                     <C>                  <C>
Assets
Current Assets:
Cash and cash equivalents                                                                  $  7,425            $  8,001 
Accounts receivable, net of allowance for doubtful accounts and      
sales returns of $1,166 and $954, respectively                                                3,470               3,384      
Inventories                                                                                      81                  74  
Prepaid expenses and other current assets                                                       978                 755             
                                                                                       ------------      --------------
 Total current assets                                                                        11,954              12,214            
Property and equipment, at cost:                                                       ------------      -------------- 
Computers and equipment                                                                       3,841               3,774
Equipment acquired under capital leases                                                         ---                 193
Furniture and fixtures                                                                          239                 239
                                                                                       ------------      --------------
Less - Accumulated depreciation                                                               2,467               2,370
                                                                                       ------------      --------------
                                                                                              1,613               1,836
                                                                                       ------------      --------------
Other assets and deposits                                                                        80                  80 
Purchased intangibles, net of $1,654 and $1,539 of accumulated                
 amortization, respectively                                                                     425                 539
                                                                                       ------------      --------------
                                                                                           $ 14,072            $ 14,669
                                                                                       ============      ==============
Liabilities and Stockholders' Equity
Current Liabilities:
Capital lease obligations                                                                  $    ---            $     10
Accounts payable                                                                              3,746               4,399
Accrued expenses                                                                              1,262               1,257
Reserve for distributor inventories                                                             120                 120
Deferred revenue                                                                              2,427               1,742
                                                                                       ------------      --------------
 Total current liabilities                                                                    7,555               7,528
                                                                                       ------------      --------------
Stockholders' Equity:
Common stock, $.01 par value - Authorized - 20,000,000 shares
 Issued and outstanding - 12,477,689 shares and 12,376,095
 shares, respectively                                                                           125                 124
Additional paid in capital                                                                   62,876              62,793
Deferred compensation                                                                           ---                 ---
Accumulated deficit                                                                         (56,436)            (55,695)
Cumulative translation adjustment                                                                (1)                (34)
Treasury stock (15,000 and 15,000 shares at cost, respectively)                                 (47)                (47)
                                                                                       ------------      --------------
     Total stockholders' equity                                                               6,517               7,141
                                                                                       ------------      --------------
                                                                                           $ 14,072            $ 14,669
                                                                                       ============      ==============
</TABLE> 

 The accompanying notes are an integral part of these condensed consolidated 
 financial statements.

                                       3
<PAGE>
 
                  ON TECHNOLOGY CORPORATION AND SUBSIDIARIES       
                CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS    
               (dollars in thousands, except per share amounts)    
                                  (unaudited)                        


<TABLE> 
<CAPTION> 
                                                           Three Months 
                                                          Ended March 31,
                                                          ---------------
                                                        1999           1998
                                                        ----           ----
<S>                                                 <C>             <C>  
Revenue:
--------
Net product revenue                                 $     5,590     $     3,123
Other revenue                                             1,260           1,052
                                                    -----------     -----------
Total revenue                                             6,850           4,175
                                                    -----------     -----------

Operating expenses:
-------------------
Cost of product revenue                                   1,090             873
Sales and marketing                                       3,352           2,411
Research and development                                  2,406           2,328
General and administrative                                  981             784
Gain on sale of assets                                      ---          (6,518)
                                                    -----------     -----------
     (Loss) income from operations                         (979)          4,297
                                                    -----------     -----------
Interest income, net                                         55              40
Other Income                                                183             ---
                                                    -----------     -----------
     (Loss) income before provision                                    
       For income taxes                                    (741)          4,337
                                                    -----------     -----------
Provision for income taxes                                  ---             ---
                                                    ===========     ===========
 Net Income (loss)                                  $      (741)    $     4,337
                                                    ===========     ===========
                                                                   
Basic (loss) earnings per share                     $     (0.06)    $      0.35
                                                    ===========     ===========

Diluted (loss) earnings per share                   $     (0.06)    $      0.35
                                                    ===========     ===========
                                                                   
Basic shares used in                                               
 per share calculation                               12,420,640      12,220,178
                                                    ===========     ===========
                                                                   
Diluted shares used in                                             
 per share calculation                               12,420,640      12,400,303
                                                    ===========     ===========
</TABLE> 
 
The accompanying notes are an integral part of these condensed consolidated 
financial statements.

                                       4
<PAGE>
 
                  ON TECHNOLOGY CORPORATION AND SUBSIDIARIES       
                CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                (dollars in thousands, except per share amounts)    
                                  (unaudited)                       

<TABLE> 
<CAPTION> 
                                                                                       Three Months
                                                                                      Ended March 31, 
                                                                                   1999             1998
                                                                                   ----             ----
<S>                                                                             <C>           <C> 
Cash Flows from Operating Activities
 Net (loss) income                                                                $  (741)        $  4,337
Adjustments to reconcile net (loss) income 
to net cash used in operating activities
 Gain on sale of assets                                                              ---           (6,518)
 Amortization of deferred compensation                                               ---               98
 Depreciation and amortization                                                       406              289
 Changes in assets and liabilities: 
  Accounts receivable                                                               (120)             309
  Inventories                                                                         (7)             116
  Prepaid expenses and other current assets                                         (178)             696
  Accounts payable                                                                  (858)          (1,528)
  Accrued expenses                                                                     6             (582)
  Reserve for distributor inventory                                                  ---               22
  Deferred revenue                                                                   685              193
                                                                              ----------       ----------
   Net cash used in operating activities                                            (807)          (2,569)
                                                                              ----------       ----------

Cash Flows From Investing Activities
 Purchase of property and equipment, net                                             (68)              64
 Net proceeds from assets held for sale, net of deal costs                                          8,273
                                                                              ----------       ----------
   Net cash (used in) provided by investing activities                               (68)           8,337
                                                                              ----------       ----------

Cash Flows From Financing Activities
 Exercise of stock options                                                           (20)               2
 Stock purchase through ESPP                                                          66               20
 Principal repayments on obligation under capital lease                              (10)            (148)
                                                                              ----------       ----------
   Net cash used in financing activities                                             (76)            (126)
                                                                              ----------       ----------

Net effect of exchange rates on cash & cash equivalents                              223              (28)              
Net increase in cash and cash equivalents                                           (576)           5,614
Cash and cash equivalents, beginning of period                                     8,001            6,679   
                                                                              ----------       ----------
Cash and cash equivalents, end of period                                         $ 7,425         $ 12,293
                                                                              ==========       ==========
Supplemental Disclosure of Cash Flow Information:

Cash paid for - 
   Interest paid                                                                 $     7         $     23
                                                                              ==========       ==========

   Income taxes paid                                                             $    --         $     -- 
                                                                              ==========       ==========
</TABLE> 

 The accompanying notes are an integral part of these condensed consolidated 
financial statements.

                                       5
<PAGE>
 
                  ON TECHNOLOGY CORPORATION AND SUBSIDIARIES

             NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                           FORM 10-Q, March 31, 1999
                (dollars in thousands, except per share amount)
                                  (unaudited)


1.  Interim Financial Statements
    ----------------------------

          The accompanying consolidated financial statements have been presented
by ON Technology Corporation (together with its consolidated subsidiaries, the
"Company") without audit (except for the balance sheet information as of
December 31, 1998) in accordance with generally accepted accounting principles
for interim financial statements and with the instructions to Form-10Q and
Regulation S-X pertaining to interim financial statements.  Accordingly, these
interim financial statements do not include all information and footnotes
required by generally accepted accounting principles for complete financial
statements.  The financial statements reflect all adjustments and accruals which
management considers necessary for a fair presentation of financial position as
of March 31, 1999 and December 31, 1998, and results of operations for the three
months ended March 31, 1999 and March 31, 1998.  The results for the interim
periods presented are not necessarily indicative of results to be expected for
any future period.  The financial statements should be read in conjunction with
the audited financial statements and the notes thereto included in the Company's
Annual Report on Form 10-K.

2.  Earnings (loss) per Share
    -------------------------

          The Company calculates earnings (loss) per share in accordance with
Statement of Financial Accounting Standards No. 128  "SFAS 128", Earnings Per
Share.  Basic earnings per share is calculated by dividing net income (loss) by
the weighted average number of common shares outstanding for the period.
Diluted earnings per share reflects the potential dilution of stock options that
could share in the earnings of the Company.


Basic and diluted EPS as required by SFAS 128, are as follows:


                                        
<TABLE>
<CAPTION>
(dollars in thousands, except per share data)              Three Months
                                                          Ended March 31,
                                                       ---------------------
                                                       1999             1998
                                                       ----             ----
<S>                                               <C>              <C> 
Net (loss) income                                  $   (741)        $  4,337
                                                                     
Basic weighted average shares outstanding            12,421           12,220
Weighted average common equivalent shares               ---              180
                                                                     
Diluted weighted average shares outstanding          12,421           12,400
                                                   ========          =======
 Basic (loss) earnings per share                   $  (0.06)        $   0.35
                                                   ========         ========
 Diluted (loss) earnings per share                 $  (0.06)        $   0.35 
                                                   ========         ======== 
<CAPTION> 
Anti-dilutive securities, that were not included in the above table are as 
follows:
<S>                                               <C>              <C> 
 Stock Options                                     $  1,894         $  1,638
                                                   ========         ======== 
</TABLE> 

                                       6

<PAGE>
 
3.  Gain on Sale of Assets
    ----------------------

     In connection with the Sale of Assets to Elron Software Inc., the Company
received net proceeds of $8,823 and incurred $550 of deal costs.  The Sale of
Assets that had a carrying value of $1,755, resulted in a net gain of $6,518,
which was recorded in the first quarter of 1998.


4.   Reporting Comprehensive Income
     ------------------------------

     The Company adopted SFAS 130, "Reporting Comprehensive Income", effective
January 1, 1998.  SFAS 130 establishes standards for reporting and display of
comprehensive income and its financial statements.  The Company's only item of
other comprehensive income relates to foreign currency translation adjustments,
and is presented separately on the balance sheet as required.  If presented on
the statement of operations for the three months ended March 31, 1999 and 
March 31, 1998, comprehensive income would be $33 higher and $83 lower,
respectively than reported net income (loss), due to foreign currency
translation adjustments.

                                       7
<PAGE>
 
5. Segment Reporting
   -----------------

     During the three months ended March 31, 1999 and 1998, the Company had two
reportable segments: Desktop Management and Groupware Continuing. Management has
organized the segments based on differences in products and services because
each segment requires different technology and marketing strategies. The Desktop
Management segment constitutes the ON Command CCM product line, which develops,
markets and supports enterprise desktop management products. The Groupware
Continuing segment develops, markets and supports real-time group scheduling
products.


     The Company evaluates segment performance based on gross margin from
operations and does not capture segment net income (loss) or segment assets.



The following table illustrates segment operating data for the three months
ended March 31, 1999 and March 31, 1998 respectively.


<TABLE>
<CAPTION>
(Dollars in thousands)
                           -----------------------    -----------------------     -----------------------
 Three Months Ended,               Desktop                  Groupware                     Total
      March 31,                   Management                Continuing               
       1999                -----------------------    -----------------------     -----------------------
                                                                                  
<S>                    <C>                         <C>                        <C> 
                                                                                  
Net Product Revenue        $                 4,520    $                 1,070     $                 5,590
Other Revenue                                  858                        402                       1,260
                           -----------------------    -----------------------     -----------------------
Total Revenue                                5,378                      1,472                       6,850
Cost of Product Revenue                        891                        199                       1,090
                           -----------------------    -----------------------     -----------------------
Gross Margin                                 4,487                      1,273                       5,760
                                                                                  
         1998                                                                     
Net Product Revenue                          1,499                      1,624                       3,123
Other Revenue                                  638                        414                       1,052
                           -----------------------    -----------------------     -----------------------
Total Revenue                                2,137                      2,038                       4,175
Cost of Product Revenue                        679                        194                         873
                           -----------------------    -----------------------     -----------------------
Gross Margin                                 1,458                      1,844                       3,302
</TABLE>

                                       8
<PAGE>
 
                  ON TECHNOLOGY CORPORATION AND SUBSIDIARIES
   Management Discussion and Analysis of Financial Condition and Results of 
                                  Operations
                           FORM 10-Q, March 31, 1999
                                  (unaudited)



Overview


     ON Technology Corporation and Subsidiaries (the "Company") is engaged in
the development, marketing, sales support, and distribution of Groupware and
Desktop Management software.

     The Company does not provide forecasts of the future financial performance
of the Company. From time to time, however, the information provided by the
Company or statements made by its employees may contain forward-looking
statements. In particular, statements contained in this Form 10-Q that are not
historical statements (including, but not limited to, statements concerning
estimates of future revenues, operating expense levels and such operating
expense levels relative to the Company's total revenues) constitute forward-
looking statements under the safe harbor provisions of the Private Securities
Litigation Reform Act of 1995. See "Certain Factors That May Affect Future
Results."


Results of Operations

     The following table sets forth, for the periods indicated, certain
financial data as percentages of the Company's total revenue:

<TABLE>
<CAPTION>
 
                                                    Three Months Ended
                                          --------------------------------------
                                               March 31,            March 31,   
                                                 1999                 1998      
                                                 ----                 ---- 
<S>                                 <C>                 <C>
Revenue:
     Net product revenue                        81.6 %               74.8 %
     Other revenue                              18.4 %               25.2 %
                                          --------------------------------------
       Total revenue                           100.0 %              100.0 %
                                          --------------------------------------
Operating expenses:
     Cost of product revenue                    15.9 %               20.9 %
     Sales and marketing                        49.0 %               57.7 %
     Research and development                   35.1 %               55.8 %
     General and administrative                 14.3 %               18.8 %
     Gain on sale of assets                       -- %             (156.1)%
                                          --------------------------------------
(Loss) income from operations                  (14.3)%              102.9 %
                                          --------------------------------------
Interest income, net                             0.8 %                1.0 %

Other income                                     2.7 %                 -- %
                                          --------------------------------------
Net (loss) income before
   Provision for income taxes                  (10.8)%              103.9 %
                                          --------------------------------------
Benefit (provision) for income                   
 taxes                                            -- %                 -- % 
                                          --------------------------------------
Net (loss) income                              (10.8)%              103.9 %
                                          ======================================
</TABLE>



     Net Product Revenue. The Company's net product revenue is derived primarily
from the licensing of software products. For the three months ended March 31,
net product revenue increased $2.5 million (79.0%) from 1998 to 1999. The
increase is due primarily to higher sales associated with the Company's Desktop
Management software business of $3.0 million (201.5%). The increase in the
Company's Desktop Management software business was offset by a decline in
Groupware continuing sales of approximately $554 thousand (34.1%). For the three
months ended March 31, 1999, there was a significant CCM license contract.

                                       9
<PAGE>
 
     Other Revenue. The Company's other revenue consists of maintenance revenue,
professional services and royalties received in connection with licensing ON's
software to third parties. For the three months ended March 31, other revenue
increased $208 thousand (19.8%) from 1998 to 1999. The increase is attributed to
higher maintenance and professional services associated with the sales of the
Company's desktop management software business.

     Cost of Product Revenue.  Cost of product revenue primarily consists of
expenses associated with product documentation, production and fulfillment costs
and royalty fees associated with products that are licensed from third party
developers.  In addition, cost of product revenue includes the amortization of
purchased intangibles.  For the three months ended March 31, cost of product
revenue increased $217 thousand (24.9%) from 1998 to 1999.  This increase was
primarily the result of increased product revenue.

     Sales and Marketing Expense. Sales and marketing expense primarily consists
of compensation and benefits paid to sales and marketing personnel. Sales and
marketing expense also includes the costs associated with public relations,
trade shows and conferences, and the telephone and information technology costs
associated with sales activities. For the three months ended March 31, sales and
marketing expenses increased $941 thousand (39.0%) from 1998 to 1999. The
increase is due to the Company's expansion of its Desktop Management software
sales and marketing effort.

     Research and Development Expense. Research and development expense includes
costs associated with the development of new products, the enhancement of
existing products, and the provision of technical support. For the three months
ended March 31, research and development expense increased $78 thousand (3.4%)
from 1998 to 1999. The increase is attributed to additional investments in the
Company's desktop management software business. The Company plans to continue to
make significant investments in research and development related to the
Company's desktop management software business.

     General and Administrative Expense.  General and administrative expense
includes executive compensation, executive support costs, accounting operations,
planning, and business development operations.  For the three months ended March
31, general and administrative expense increased $197 thousand (25.1%) from 1998
to 1999.  The increase in absolute dollars is due to higher investor relations
charges in 1999. The percentage of general and administrative expense to total
revenue decreased due to an increase in the Company's revenues.
 
 

                                       10
<PAGE>
 
     Gain on Sale of Assets. In connection with the Elron Transaction in 1998,
the Company received net proceeds of $8.8 million and incurred $550 thousand of
direct transaction costs. As a result of the Sale of Assets that had a carrying
value of $1.8 million, the Company recorded a gain of $6.5 million.

     Interest Income, net. Interest income consists primarily of interest income
earned on cash and cash equivalents. For the three months ended March 31,
interest income increased $15 thousand (37.5%) from 1998 to 1999. The increase
is due primarily to lower interest expense incurred with equipment leases in
1999.

Other Income. Other income of $183 thousand resulted from an insurance
receivable.

  Income Taxes. There were no tax provisions for the three months ended 
March 31, 1999 due to an operating loss in the quarter. During the three
months ended March 31, 1998, the Company recorded a book gain on the Sale of
Assets to Elron, however for tax purposes, the Company recognized an ordinary
loss on this transaction. As a result, no tax provision was required for the
three months ended March 31, 1998.

Liquidity and Capital Resources

     The Company has funded its operations to date primarily through private and
public placements of capital stock and the net proceeds received from the Elron
transaction.  At March 31, 1998 and 1999, the Company had available cash and
cash equivalents of $12.3 million and $7.4 million respectively.  As of March
31, 1999, the Company has a $1.2 million letter of credit guarantee outstanding
for a subsidiary against a line of credit with a bank.

     Net cash used in operating activities for the three months ended March 31,
1998 and March 31, 1999, was ($2.6) million and $(807) thousand respectively.
For the three months ended March 31, 1998, net cash used in operating activities
consisted primarily of net income $4.3 million which is offset by gain on sale
of assets and net change in operating assets and liabilities of $387 thousand.
For the three months ended March 31, 1999, net cash used in operating activities
consisted primarily of a net loss of $741 thousand coupled with a net change in
operating assets and liabilities of $(472) thousand offset by depreciation and
amortization charges of $406 thousand.

     Net cash provided by (used in) investing activities for the three months
ended March 31, 1998 and March 31, 1999 was $8.3 million and $(68) thousand,
respectively. For the three months ended March 31, 1998 cash provided by
investing activities was primarily the result of net proceeds from assets held
for sale of $8.3 million. For the three months ended March 31, 1999 cash used in
investing activities consisted of the purchases of property and equipment of $68
thousand.

     Net cash used in financing activities for the three months ended March 31,
1998 and March 31, 1999 was $126 thousand and $76 thousand, respectively.  For
the three months ended March 31, 1998, net cash used in financing activities
consisted of principal repayment on obligations under capital lease of $148
thousand, partially offset by exercises of stock options and stock purchases
through the ESPP of $22 thousand.  For the three months ended March 31, 1999
cash used in financing activities consisted of stock exercises of $86 thousand
coupled with principal repayment on obligations under capital lease offset by
stock purchases through the ESPP of $10 thousand.

                                       11
<PAGE>
 
Certain Factors That May Affect Future Results

Some statements contained in this Form 10-Q that are not historical statements
(including but not limited to, statements concerning estimates of future
revenues, operating expense levels and such operating expense levels relative to
the Company's total revenues) constitute forward-looking statements under the
safe harbour provisions of the Private Securities Litigation Reform Act of 1995.
The following risk factors, among other factors (including the accuracy of the
Company's internal estimates of revenue and operating expense level and other
risks detailed from time to time in the Company's filings with the Securities
and Exchange Commission), may cause the Company's actual results to differ
materially from the results stated in such forward looking statements.


CCM Product Marketing Strategy

     The target market for the CCM products is entirely different from the
target market for the products the Company has marketed and sold prior to the
acquisition of csd Software GmbH. The target market for CCM products consists
primarily of large corporations such as Deutsche Telekom and Munich Reinsurance
(both existing CCM customers). In addition, CCM product sales per customer are
generally in the range of $20,000 to $500,000, as opposed to an average sale per
customer for the Company's Groupware products of approximately $2,500. Sales of
CCM products pose significantly greater financial risks, and require greater up-
front investments in marketing, technical and financial resources, than sales of
the Company's historical products. As a result, the Company is adopting a new
and untested marketing strategy using a direct sales force and in-field service
organization. This marketing strategy requires significant investments in
additional marketing and technical personnel, retraining of existing personnel,
ongoing product development and creation of an in-field service organization. To
date, substantially all of the Company's marketing of CCM products has been in
Europe. While the Company has developed valuable experience and expertise in
Europe, there can be no assurance that the Company will be able to transfer such
experience and expertise to the North American market.

     Currently, only two customers account for more than 10% of the Company's
net revenue. For the twelve months ended December 31, 1998, one customer
accounted for $3.5 million, or 18% of net revenue from the Company's current
products. For the three months ended March 31, 1999, two customers accounted for
$3.1 million, or 45% of net revenue. It is possible that the Company's change in
marketing strategy will result in other customers accounting for more than 10%
of the Company's net revenues.

                                       12
<PAGE>
 
Technological Requirements of the CCM Products; Product Development

     The technological demands of the CCM products require a commitment of
significant ongoing financial, technical and personnel resources to product
development, training of service technicians and customer training.  Because the
Company's historical products were not as technologically sophisticated as the
CCM products, the Company has not to date made the required investment and has
not proven that it can develop and maintain the organization required to support
such products.  The Company believes that its experience with the CCM products
in Europe will provide a valuable base on which to build the necessary
financial, technical and personnel resources to sell, market, develop and
support the CCM products in North America; however, there can be no assurance
that the Company will be able to expand and develop its resources to support CCM
products in North America.


     The CCM product is typically larger and more complex than the products that
the Company has previously developed.  The Company's ability to continue to
enhance the CCM  product to meet customer and market requirements will depend
substantially on its ability to effectively manage its development effort, to
attract and retain the required development personnel in Cambridge,
Massachusetts and Starnberg, Germany and to coordinate and manage geographically
remote development efforts.


Financial Resources Required by the CCM Products

     The Company has estimated that the product development, marketing and sales
costs of the CCM products are approximately $0.7 to $1.0 million per month.  The
Company believes that it has sufficient financial resources to fund these costs
through at least December 1999.  There can be no assurance that the Company's
estimate of the marketing, sales and product development costs of the CCM
products will prove correct, that such costs will not increase beyond the
Company's available financial resources, or that additional sources of capital,
if and when needed, will be sufficient or available.


Rapid Technological Change

     The Enterprise Desktop Management and Groupware software markets are
characterized by rapid technological developments, changes in customer
requirements, evolving industry standards and frequent new product
introductions.  The Company's future success will depend, in part, upon its
ability to enhance its existing applications, develop and introduce new products
that take advantage of technological advances, and respond promptly to new
customer requirements and evolving industry standards. The Company has made a
strategic decision to limit its Groupware marketing efforts to exclusively
selling new seats to its existing customer base. The Company has identified a
number of enhancements to CCM which it believes are important to its continued
success in the Enterprise Desktop Management software market. There can be no
assurance that the Company will be successful in developing and marketing, on a
timely basis, enhancements to its existing products or new products, or that its
new products will adequately address the changing needs of the marketplace.
Failure by the Company in any of these areas could materially and adversely
affect the Company's business, condition (financial and otherwise), prospects
and results of operations. In addition, from time to time the Company or its
competitors may announce new products with capabilities or technology that could
have a potential to replace or shorten the life cycles of the Company's existing
products or render such products obsolete. There can be no assurance that
announcements by the Company or its competitors of new products will not cause
customers to defer purchasing the Company's existing products. In addition,
there can be no assurance that future changes in DOS, Windows, Windows NT, UNIX,
NetWare or other popular operating systems would not result in incompatibility
with the Company's products. The Company's failure to introduce new products on
a timely basis that are compatible with operating systems and environments
preferred by desktop customer users would have a material adverse effect on the
Company's business, condition (financial or otherwise), prospects and results of
operations.

                                       13
<PAGE>
 
Competition


     The market for the Company's products is highly competitive, and the
Company expects competition to increase in the future.  The Company believes
that the principal competitive factors affecting the market for its products
include performance, functionality, ease of use, ease of installation, quality,
customer support, breadth or product line, speed of product delivery, frequency
of upgrades and updates, brand name recognition, company reputation, adherence
to industry standards, integration with third-party solutions and price. Certain
of the criteria upon which the performance and quality of the Company's
Groupware software compete includes speed of response, ease of use, ease of
installation, interoperability with other messaging systems and simplicity of
administration.  The Company believes that it generally competes favorably with
respect to each of these factors; however, there can be no assurance that the
Company will be able to continue to compete successfully against current and
future competitors.  Certain of the Company's competitors have been in the
market longer than the Company, and other competitors are larger and may have
greater name recognition than the Company.  As is the case in many segments of
the software industry, the Company may encounter increasing price competition in
the future.  This could reduce average selling prices and, therefore, profit
margins.  Competitive pressures could result not only in sustained price
reductions but also in a decline in sales volume, which could have a material
adverse effect on the Company's business, condition (financial or otherwise),
prospects and results of operations.  There can be no assurance that the Company
will continue to compete effectively against existing and potential competitors
in these markets, many of whom have substantially greater financial, technical,
marketing and support resources and name recognition than the Company.  (See
Business--Competition)


Product Development

     The Company has in the past experienced delays in software development, and
there can be no assurance that it will not experience further delays in
connection with its current or future product development activities.  The
Company puts all of its products through alpha and beta test cycles and makes
significant efforts to debug all products before commercial release.  The
Company makes well-marked alpha and beta versions of its software available for
evaluation and testing and solicits and responds to input from evaluators.
However, there can be no assurance that the Company's products will not contain
undetected errors or version compatibility issues, particularly when first
introduced or when new versions are released, resulting in loss of or delay in
market acceptance.  Delays and difficulties associated with new product
introductions or product enhancements could have a material adverse effect on
the Company's business, condition (financial or otherwise), prospects and
results of operations.

     In addition to developing new products, the Company's internal development
staff is focused on developing upgrades and updates to existing products and
modifying, enhancing and completing any acquired products and incomplete
projects.  Future enhancements may, among other things, include additional
functionality, respond to user problems or address issues of compatibility with
changing operating systems and environments.  Failure to release such
enhancements on a timely basis could have a material adverse effect on the
Company's business, condition (financial or otherwise), prospects and results of
operations.  There can be no assurance that the Company will be successful in
these efforts.

     The Company licenses certain products as development tools or as components
of its products. If the Company believes that a licensed product continues to be
valuable after the expiration of the initial license term, it will seek to
extend the term of the license. There can no assurance that the Company will be
able to extend the term of expiring licenses, or that the economic arrangements
for such extensions would be comparable to the arrangements in effect during the
initial license term.

                                       14
<PAGE>
 
Inclusion of  Enterprise Desktop Management and Groupware in System Software and
Application Suites

     In the future, vendors of operating system software and applications sold
for a single price (generally referred to as application suites) may continue to
enhance their products to include certain functions that are currently provided
most often by Enterprise Desktop Management and Groupware software or may bundle
these products in their application suites at no additional charge. The
widespread inclusion of the functions provided by the Company's products as
standard features of operating system software could, particularly if the
quality of such functions were comparable to that of the Company's products,
render the Company's products obsolete and unmarketable. Furthermore, even if
the Enterprise Desktop Management and Groupware software functions provided as
standard features by operating systems are more limited than those of the
Company's products, there is no assurance that a significant number of customers
would not elect to accept such functions in lieu of purchasing additional
software. If the Company were unable to develop new Enterprise Desktop
Management and Groupware software products to further enhance operating systems
and to replace successfully any obsolete products, the Company's business,
condition (financial or otherwise), prospects and results of operations would be
materially and adversely affected.


Potential Acquisitions

     The Company may in the future undertake additional acquisitions that could
present challenges to the Company's management, such as integrating and
incorporating new operations, product lines, technologies and personnel. If the
Company's management is unable to manage these challenges, the Company's
business, financial condition or results of operations could be materially
adversely affected. Any acquisition, depending on its size, could result in
significant dilution to the Company's stockholders. Furthermore, there can be no
assurance that any acquired products will gain acceptance in the Company's
markets.


Indirect Channels of Distribution

     The Company markets its Enterprise Desktop Management and Groupware
products through distributors and resellers in addition to its direct sales
force.  These distributors and resellers also sell other products that are
complementary to, or compete with, those of ON.  There can be no assurance that
these distributors and resellers will not give greater priority to products of
other suppliers.  They have no long-term obligation to purchase products from
the Company.  Since the Company's agreements with its distributors provide for a
right of return, revenue recognized upon sales to distributors is subject to a
reserve for returns.  Although management believes that the current reserve
balance is adequate to cover this exposure, there can be no assurance that any
future period reserves for returns will be adequate.  In addition, the Company
may be unaware of the nature and scope of the representations made to customers
by these distributors and resellers.   For example, they could make
representations to customers about the Company's current and future products
that are inaccurate or incomplete. This could result in the products not meeting
the customers' expectations or requirements.  Although the Company's agreements
with its distributors generally provide the Company with recourse against
unauthorized action taken by the distributors, there can be no assurance that
the Company could recover adequate compensation to cover the damage caused by an
inaccurate representation.


Proprietary Technology

     The Company's success is heavily dependent upon its proprietary software
technology.  The Company relies on a combination of contractual rights,
trademarks, trade secrets and copyrights to establish and protect its
proprietary rights in its software.

     The Company uses a printed "shrink-wrap" license for users of its Groupware
products distributed through traditional distribution channels in order to
protect its copyrights and trade secrets in those products.  Since these shrink-
wrap licenses are not signed by the licensee, many authorities believe that they
may not be enforceable under many state laws and the laws of many foreign
jurisdictions.  If such licenses are not enforceable, the user would not be
bound by the terms thereof, including the terms which seek to protect the
Company's proprietary technology.  If the printed shrink-wrap licenses prove to
be unenforceable, this may have a material adverse effect on the 

                                       15
<PAGE>
 
Company's business, condition (financial or otherwise), prospects and results of
operations.

     The Company has signed license agreements from users of its Enterprise
Desktop Management products to protect its copyrights and trade secrets in those
products.  The licenses may not be enforceable under some state laws and the
laws of many foreign jurisdictions.  If such licenses are not enforceable, the
user would not be bound by the terms thereof, including the terms which seek to
protect the Company's proprietary technology.  If the signed license agreements
prove to be unenforceable, this may have a material adverse effect on the
Company's business, condition (financial or otherwise), prospects and results of
operations.

     The laws of some foreign countries either do not protect the Company's
proprietary rights or offer only limited protection for those rights.
Furthermore, in countries with a high incidence of software piracy, the Company
may experience a higher rate of piracy of its products.

     The Company has obtained registrations in the United States for the
following trademarks: ON Technology, Notework, Meeting Maker, ON Technology &
Design, ON Location, Instant Update and DaVinci email.  The Company has filed
for the trademark "ON Command CCM" in the United States, the European Community,
Canada and Australia.  The Company has obtained only four foreign registrations
of its Notework mark and two foreign registrations of its Meeting Maker mark,
due to significant costs involved in obtaining foreign registrations.  As a
result, the Company may not be able to prevent a third party from using its
trademarks in many foreign jurisdictions.  The Company has not to date
registered any of its copyrights.

     There can be no assurance that the steps taken by the Company to protect
its proprietary software technology will be adequate to deter misappropriation
of this technology.  Lesser sensitivity by corporate, government or
institutional users to avoiding copyright infringement could have a material
adverse effect on the Company's business, condition (financial or otherwise),
prospects and results of operation.

     There has been substantial litigation in the software industry involving
intellectual property rights of technology companies, although, to date, the
Company has not been subject to any such litigation.  Although the Company does
not believe that it is infringing the intellectual property rights of others,
there can be no assurance that such claims, if asserted, would not have a
material adverse effect on the Company's business, condition (financial or
otherwise) prospects and results of operations.  In addition, as the Company may
acquire or license a portion of the software included in its future products
from third parties, its exposure to infringement actions may increase because
the Company must rely upon such third parties for information as to the origin
and ownership of any software being acquired.  The Company generally obtains
representations as to the origin and ownership of such acquired or licensed
software and generally obtains indemnification to cover any breach of such
representations.  However, there can be no assurance that such representations
are accurate or that such indemnification will provide adequate compensation for
a breach of such representations.  In the future, litigation may be necessary to
enforce and protect trade secrets and other intellectual property rights owned
by the Company.  The Company may also be subject to litigation to defend against
claimed infringement of the rights of others or to determine the scope and
validity of the proprietary rights of others.  Any such litigation could be
costly and cause diversion of management's attention, either of which could have
a material adverse effect on the Company's business, condition (financial or
otherwise) prospects or results of operations.  Adverse determinations in such
litigation could result in the loss of the Company's proprietary rights, subject
the Company to significant liabilities, require the Company to seek licenses
from third parties or prevent the Company from manufacturing or selling its
products, any one of which could have a material adverse effect on the Company's
business, condition (financial or otherwise), prospects and results of
operations.  Furthermore, there can be no assurance that any necessary licenses
will be available on reasonable terms, or at all.

     The Company could be subjected to lawsuits by customers, past, present or
future, and others due to possible errors in the Company's software.  The
Company is not aware of any material errors in its software or any pending or
threatened litigation.  The Company maintains insurance covering such
liabilities in the amounts of $12 million domestically and $4 million
internationally.  The Company believes that its insurance coverages are
sufficient to cover any such losses.

                                       16
<PAGE>
 
International Revenue

     For the years ended December 31, 1997 and 1998 and the three months ended
March 31, 1999, total revenue from international licenses (license revenue from
outside the United States) represented approximately 37%, 54% and 44%
respectively, of the Company's total revenue.  The Company expects that
international revenue may constitute a significantly greater portion of the
Company's total revenue in 1999.  Accordingly, a greater percentage of the
Company's total revenue will be subject to the risks inherent in international
sales, including the impact of fluctuating exchange rates on demand for its
products, longer payment cycles, greater difficulty in protecting intellectual
property, greater difficulty in accounts receivable collection, unexpected
changes in legal and regulatory requirements, seasonality due to the slowdown of
European business activity in the third quarter and tariffs and other trade
barriers.  There can be no assurance that these factors will not have a material
adverse effect on the Company's future international license revenue.

Loss of Key Management Personnel

     The Company's success depends to a significant extent upon a number of key
technical and management employees.  While the Company's employees are required
to sign standard agreements concerning confidentiality and ownership of
inventions, the employees, with the exception of Messrs. Herman DeLatte, Loren
Platzman and Stephen Wietrecki, are generally not otherwise subject to
employment agreements or noncompetition covenants. The loss of the services of
any of the Company's key employees could have a material adverse effect on the
Company's business, condition (financial or otherwise), prospects and results of
operation. The Company does not maintain life insurance policies on key
employees. The Company's success also depends in large part upon its ability to
attract and retain highly skilled technical, managerial, sales and marketing
personnel.

     Competition in the software industry for such personnel is intense. There
can be no assurance that the Company will be successful in retaining its
existing key personnel and in attracting and retaining the personnel it
requires.

     The Company announced the resignation of the Chief Financial Officer, John
Bogdan, and the appointment of Stephen Wietrecki as the interim Chief Financial
Officer on April 5, 1999. On April 8, 1999, the Company announced the alerting
to the U.S. Attorney as to possible misappropriation of Company funds by John
Bogdan. On May 6, 1999, the Company announced the appointment of Stephen
Wietrecki as Chief Financial Officer and Vice President of Finance.

Groupware Business

     The Company has made the strategic decision to limit its Groupware
marketing efforts to exclusively selling new seats to its existing customer
base, while focusing the majority of its management, financial and technical
resources on the CCM products. The Company believes that in the short-term the
Company can significantly reduce the costs associated with the Groupware
products while continuing to generate cash flow from the sale of these products.
However, there can be no assurance that cash flow from the sale of the Groupware
products will not decrease faster than expected. In addition, over the longer
term, the Company's strategic decision to cease marketing the Groupware products
to new customers will lead to an erosion of the customer base and a reduction of
revenue from such products.

                                       17
<PAGE>
 
     The Company's ability to attract and retain the employees needed to service
the Groupware products may be materially adversely affected by the Company's
strategic decision to de-emphasize the Groupware products.  Any loss of revenue
from the Groupware products may have a material adverse effect on the Company's
business, condition (financial or otherwise), prospects and results of
operation.


Strategic Reorganization

     On July 29, 1997, the Company reorganized and restructured its operations.
On October 29, 1997, additional restructuring actions were implemented. These
actions were designed to focus the Company on the CCM business. To date, the
implementation of this new corporate strategy has included hiring a new Chief
Executive Officer, electing a new Chairman of the Board of Directors, de-
emphasizing the acquisition of new customers in the Company's Groupware and
Network Management and Security business, discontinuing sales of the Company's
virus protection software, closing or reducing the Company's offices in Sydney,
Australia; Paris, France; London, United Kingdom; and Munich, Germany while
building up the Company's office in Starnberg, Germany and laying off
approximately 118 employees. There can be no assurance that the Company's new
corporate strategy will be successfully implemented. Furthermore, there can be
no assurance that the Company will not engage in further reorganizations or
restructurings in the future.


Variability of Quarterly Operating Results

     The Company's licensing activity and results of operations can fluctuate
significantly on a quarterly basis.  Causes of such fluctuations may include,
among other factors the volume and timing of new and repeat orders, the
introduction or announcement of new products or product enhancements by ON or
third parties, failure to ship trials, changes in response rates to the
Company's mailings and telemarketing programs, interruption in the Company's
overnight delivery, telephone or internal networks and databases, work
stoppages, changes in product prices, changes in operating expenses, changes in
product mix, increase in international sales as a percentage of total revenue,
seasonality, trends in the computer industry, unavailability of product,
potential software viruses and perceived threats thereof, customer order
deferrals, general economic conditions, extraordinary events such as
acquisitions or litigation and the occurrence of unexpected events.  While to
date, the Company has not experienced any work stoppages or unavailability of
products, there can be no assurance any of such events will not occur in the
future.  The occurrence of any such event could have a material adverse effect
on the Company's business, condition (financial or otherwise), prospects and
results of operations.  Because of the nature of its distribution methods for
its Groupware, the Company has virtually no backlog with respect to such
products and generally cannot predict when users will license such products.  As
a result of the longer enterprise sales and product roll-out cycle for CCM, the
Company will be better able to assess anticipated customer orders for CCM.
Historically, repeat orders have accounted for a significant portion of the
Company's total revenue; however, there can be no assurance that the Company
will be able to sustain current repeat order rates in the future, in light of
the de-emphasis in marketing efforts for the Groupware products.  Furthermore,
since the Company's cost of total revenue is relatively low and its operating
expenses are relatively fixed, any revenue shortfall in a quarter will result in
a substantially similar shortfall in net income.  In addition, significant
quarterly fluctuations in licensing activity will cause significant fluctuations
in the Company's cash flows and cash equivalents, accounts receivable and
deferred revenue accounts on the Company's balance sheet.

     The Company's business has experienced and is expected to continue to
experience seasonality, due in part to customer buying patterns.  In recent
years, the Company generally has had greater demand for its products in the
fourth quarter and has had weaker demand for its products during the first
quarter.  These fluctuations are caused primarily by customer budgeting and
purchasing patterns.  The Company believes this pattern will continue.

     The Company believes that period-to-period comparisons of its financial
results should not be relied upon as an indication of future performance.

                                       18
<PAGE>
 
Year 2000 Issue

     As explained below, the Company has, and will continue to address Year 2000
issues.  However, because no single standard for Year 2000 compliance has been
agreed upon by any industry group or promulgated by any government body, there
can be no assurance that the Company's efforts to address Year 2000 issues will
result in its products and internal computerized information systems being Year
2000 compliant in accordance with the various standards that have developed and
will continue to develop in the industry.

     The Company is currently working to evaluate the potential impact of the
year 2000 on the processing of date-sensitive information by the Company's
internal computerized information systems and the Company's software products
being sold.  The year 2000 problem is the result of computer programs being
written using two digits (rather than four) to define the applicable year.  Any
of the Company's products that have time-sensitive software may recognize a date
using "00" as the year 1900 rather than the year 2000, which could result in
miscalculation or system failures.  Based on preliminary information, costs of
addressing potential problems are not currently expected to have a material
impact on the Company's business, condition (financial or otherwise), prospects
and results of operations.  However, failure of the Company, its customers or
vendors to resolve such processing issues in a timely manner, could have a
material adverse effect on the Company's business, condition (financial or
otherwise), prospects and results of operations.

     Over the past year, the Company has made substantial modifications and
improvements to its operational software.  An integral part of this process has
been to review all newly purchased and internally developed software for Year
2000 compliance.  The Company has completed a preliminary evaluation of all of
the existing software used in its internal systems and operations and expects
that such software will be Year 2000 compliant by the end of the third quarter
of 1999, at a cost not to exceed $250 thousand.  The Company is still evaluating
various hardware and equipment components used in its operations and also
expects to be Year 2000 compliant in this area by the end of the third quarter
of 1999, at cost not to exceed $50 thousand.  The Company believes that although
these costs are not material to its business, if these efforts are not completed
on time, or if the cost of updating or replacing the Company's information
systems greatly exceeds the Company's current estimates, the Year 2000 issue
could have a material adverse impact on the Company's business, condition
(financial or otherwise), prospects and results of operations.

     The Company also intends to determine the extent to which the Company may
be vulnerable to any failures by its major suppliers, customers and service
providers to remedy their own Year 2000 issues, and is in the process of
initiating formal communications with these parties.  At this time the Company
is unable to estimate the nature or extent of any potential adverse impact
resulting from the failure of third party suppliers, customers and service
providers to achieve Year 2000 compliance, although the Company does not
currently anticipate that it will experience any material shipment delays from
its major product suppliers or any material payment delays from its major
customers due to Year 2000 issues.  However, there can be no assurance that
these third parties will not experience Year 2000 problems or that any problems
would not have a material adverse effect on the Company's results of operations.
Because the cost and timing of Year 2000 compliance by third parties such as
suppliers, customers and service providers is not within the Company's control,
no assurance can be given with respect to the cost or timing of such efforts or
any potential adverse effects on the Company of any failure by these third
parties to achieve Year 2000 compliance.

     The Company is in the process of establishing contingency plans to manage
the impact of a failure by any of its third party suppliers, customers or
service providers to be Year 2000 compliant.  The Company believes that its
relationships with multiple third party suppliers and service providers and the
diversity of its customer base should reduce to some extent the impact of any
such failures.  There can be no assurance that the contingency plans implemented
by the Company will successfully mitigate issues resulting from Year 2000 non-
compliance, and in the event that such plans do not successfully, in whole or in
part, mitigate such issues, there could be a material adverse affect on the
Company's business, condition (financial or otherwise), prospects or results of
operations.

                                       19
<PAGE>
 
Volatility of Stock Price

     The trading price of the Company's Common Stock has been, and in the future
may be, subject to wide fluctuations in response to actual or anticipated
quarterly operating results of the Company, announcements of technological
innovations or new applications by the Company or its competitors and general
market conditions in the software industry, as well as other events or factors.
In addition, stock markets have experienced extreme price and volume trading
volatility in recent years.  This volatility has had a substantial effect on the
market price of many technology companies and has often been unrelated to the
operating performance of those companies.  This volatility may adversely effect
the market price of the Company's Common Stock.

Item 3.  Quantitative and Qualitative Disclosures About Market Risk.

     Not Applicable.
                                       20
<PAGE>
 
                   ON TECHNOLOGY CORPORATION AND SUBSIDIARIES
                           FORM 10-Q, March 31, 1999


                          PART II:  OTHER INFORMATION


Item 1.  Legal Proceedings
         Not Applicable

Item 2.  Changes in Securities
         Not Applicable

Item 3.  Defaults Upon Senior Securities
         Not Applicable

Item 4.  Submission of Matters to a Vote of Security Holders
         Not Applicable

Item 5.  Other Information
         Not Applicable

Item 6.  Exhibits and Reports on Form 8-K

         The Company filed a current report dated April 5, 1999 in relation to 
         the resignation of the Chief Financial Officer, John Bogdan, and the
         appointment of an interim Chief Financial Officer, Stephen Wietrecki.
         The Company also alerted the U.S. Attorney as to possible
         misappropriation of Company funds.

         The Company filed a current report dated May 7, 1999 in relation to the
         appointment of Stephen Wietrecht as Chief Financial Officer and 
         Vice President of Finance.
                                       21
<PAGE>
 
                  ON TECHNOLOGY CORPORATION AND SUBSIDIARIES
                           FORM 10-Q, March 31, 1999

                                  SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.



                                          ON TECHNOLOGY CORPORATION



                                          /s/ Herman DeLatte
                                          ---------------------------

Date: May 7, 1999                         Name: Herman DeLatte
                                          Title: President and
                                          Chief Executive Officer


                                          /s/ Stephen J. Wietrecki
                                          ---------------------------

Date: May 7, 1999                         Name: Stephen J. Wietrecki
                                          Title: Vice President of Finance
                                          and Chief Financial Officer

                                       22
<PAGE>
 
                  ON TECHNOLOGY CORPORATION AND SUBSIDIARIES
                           FORM 10-Q, March 31, 1999

                                 EXHIBIT INDEX


Exhibit No.               Description
-----------               -----------


27.0                      Financial Data Schedule

                                       23