Document:

<PAGE>

                                                                    Exhibit 10.3

                               AMENDMENT NO. 3 TO
                          CREDIT AND GUARANTY AGREEMENT

          THIS AMENDMENT NO. 3 TO CREDIT AND GUARANTY AGREEMENT, dated as of
January 5, 2007 (this "AMENDMENT"), by and among NaviSite, Inc., a Delaware
corporation ("COMPANY"), the Subsidiaries of the Company party hereto, as
Guarantors ("GUARANTORS"), the Lenders (defined below) party hereto and Silver
Point Finance, LLC ("SILVER POINT"), as Administrative Agent ("ADMINISTRATIVE
AGENT").

                                    RECITALS:

          WHEREAS, the Company, the Guarantors, the lenders party thereto (the
"LENDERS"), the Administrative Agent and Silver Point, as Collateral Agent, are
parties to that certain Credit and Guaranty Agreement dated as of April 11,
2006, as amended by that certain Amendment No. 1 to Credit and Guaranty
Agreement dated as of June 2, 2006, Amendment No. 2 and Waiver to Credit and
Guaranty Agreement dated as of September 26, 2006 and that certain Waiver and
Extension Agreement dated as of November 28, 2006 (the "CREDIT AGREEMENT";
capitalized terms used and not defined herein shall have the meanings set forth
in the Credit Agreement after giving effect to this Amendment); and

          WHEREAS, the Company has asked the Lenders to amend certain of the
covenants as provided herein, and the Lenders party hereto have agreed to the
amendment on the terms, and subject to the conditions, set forth herein in each
case.

          NOW, THEREFORE, in consideration of the premises set forth above, the
terms and conditions contained herein and other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, the parties hereto
agree as follows:

SECTION 1. AMENDMENTS.

     1.1 The definition of Consolidated Adjusted EBITDA set forth in Section 1
of the Credit Agreement is hereby amended by adding, immediately after clause
(j) contained therein, a new clause (k), which shall read in its entirety as
follows:

          plus (k) direct fees and expenses incurred in connection with the
          preparation and filing by the Company of its Form S-3 that was filed
          with the Securities and Exchange Commission on November 28, 2006,
          including underwriters, auditors, lawyers and printers fees and
          expenses

     1.2 Section 6.8(a) of the Credit Agreement is hereby amended and restated
in its entirety as follows:

<PAGE>

               (a) Fixed Charge Coverage Ratio. Company shall not permit the
          Fixed Charge Coverage Ratio as of the last day of any Fiscal Quarter,
          beginning with the Fiscal Quarter ending April 30, 2006, to be less
          than the correlative ratio indicated:

<TABLE>
<CAPTION>
     Fiscal Quarter ending:        Fixed Charge Coverage Ratio
     ----------------------        ---------------------------
<S>                                <C>
April 30, 2006                              0.80:1.00
July 31, 2006                               1.05:1:00
October 31, 2006                            1.15:1.00
January 31, 2007                            1.05:1.00
April 30, 2007                              1.05:1.00
July 31, 2007                               1.05:1.00
October 31, 2007                            1.05:1.00
January 31, 2008                            1.00:1.00
On April 30, 2008 and thereafter            1.00:1.00
</TABLE>

     1.3 Section 6.8(b) of the Credit Agreement is hereby amended and restated
in its entirety as follows:

               (b) Leverage Ratio. Company shall not permit the Leverage Ratio
          as of the last day of any Fiscal Quarter, beginning with the Fiscal
          Quarter ending April 30, 2006, to exceed the correlative ratio
          indicated:

<TABLE>
<CAPTION>
      Fiscal Quarter ending        Leverage Ratio
      ---------------------        --------------
<S>                                <C>
April 30, 2006                        5.60:1.00
July 31, 2006                         4.95:1.00
October 31, 2006                      4.25:1.00
January 31, 2007                      3.95:1.00
April 30, 2007                        3.65:1.00
July 31, 2007                         3.55:1.00
October 31, 2007                      3.15:1.00
January 31, 2008                      3.05:1.00
April 30, 2008                        2.95:1.00
July 31, 2008                         2.85:1.00
October 31, 2008                      2.70:1.00
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
      Fiscal Quarter ending        Leverage Ratio
      ---------------------        --------------
<S>                                <C>
January 31, 2009                      2.55:1.00
On April 30, 2009 and thereafter      2.50:1.00
</TABLE>

     1.4 Section 6.8(c) of the Credit Agreement is hereby amended and restated
in its entirety as follows:

               (c) Consolidated Adjusted EBITDA. Company shall not permit
          Consolidated Adjusted EBITDA as at the end of any Fiscal Quarter,
          beginning with the Fiscal Quarter ending April 30, 2006, for the four
          Fiscal Quarter period then ended to be less than the correlative
          amount indicated:

<TABLE>
<CAPTION>
                           CONSOLIDATED
     FISCAL QUARTER       ADJUSTED EBITDA
     --------------       ---------------
<S>                       <C>
April 30, 2006              $13,100,000
July 31, 2006               $14,900,000
October 31, 2006            $17,500,000
January 31, 2007            $19,800.000
April 30, 2007              $21,400,000
July 31, 2007               $21,800,000
October 31, 2007            $23,300,000
January 31, 2008            $23,600,000
April 30, 2008              $23,800,000
July 31, 2008               $24,100,000
October 31, 2008            $24,900,000
January 31, 2009            $25,500,000
April 30, 2009              $25,900,000
On July 31, 2009 and at
   the end of each Fiscal
   Quarter thereafter       $26,000,000
</TABLE>

<PAGE>

     1.5 Section 6.8(d) of the Credit Agreement is hereby amended and restated
in its entirety as follows:

               (d) Maximum Consolidated Capital Expenditures. Company shall not,
          and shall not permit its Subsidiaries to, make or incur Consolidated
          Capital Expenditures, in any Fiscal Year indicated below, in an
          aggregate amount for Company and its Subsidiaries in excess of the
          corresponding amount set forth below opposite such Fiscal Year:

<TABLE>
<CAPTION>
                         CONSOLIDATED
FISCAL YEAR ENDING   CAPITAL EXPENDITURES
------------------   --------------------
<S>                  <C>
July 31, 2006             $7,500,000
July 31, 2007             $9,300,000
July 31, 2008             $8,700,000
July 31, 2009             $7,800,000
July 31, 2010             $7,300,000
July 31, 2011             $7,300,000
</TABLE>

SECTION 2. EXTENSIONS.

     Upon the effectiveness of this Amendment in accordance with Section 6
hereof, each of the Lenders party hereto hereby consents to the extensions of
the time periods contained on Schedule 5.15 of the Credit Agreement that are
reflected on Annex A hereto.

SECTION 3. CONDITIONS TO EFFECTIVENESS OF THIS AMENDMENT.

          This Amendment shall be effective as of the date hereof, upon the
satisfaction (or waiver) of the following conditions precedent:

               (a) the Administrative Agent shall have received counterparts to
     this Amendment duly executed and delivered by the Company, each Guarantor
     and the Requisite Lenders;

               (b) the Company shall have paid all costs, fees and expenses
     incurred by the Administrative Agent in connection with the preparation of
     this Amendment;

               (c) after giving effect to this Amendment, no Default or Event of
     Default shall have occurred and be continuing;

               (d) after giving effect to this Amendment, the representations
     and warranties contained herein and in the Credit Documents shall be true
     and

<PAGE>

     correct in all material respects on and as of the date hereof to the same
     extent as though made on and as of such date, except to the extent such
     representations and warranties specifically relate to an earlier date, in
     which case such representations and warranties shall have been true and
     correct in all material respects on and as of such earlier date; and

               (e) Administrative Agent shall have received, in immediately
     available funds for the ratable benefit of each Lender executing and
     delivering this Amendment, an amendment fee equal to $127,750, which
     amendment fee shall be earned in full on the date of the payment thereof
     and shall be non-refundable.

SECTION 4. REPRESENTATIONS AND WARRANTIES.

          The Company and each Guarantor hereby represent and warrant to each
Lender, the Administrative Agent and the Collateral Agent that (a) it is duly
organized, validly existing and in good standing under the laws of its
jurisdiction of organization, (b) it has all requisite power and authority to
enter into this Amendment, (c) the execution, delivery and performance by it of
this Amendment (i) has been duly authorized by all necessary organizational
action and (ii) does not and will not (A) violate any provision of any law or
any governmental rule or regulation applicable to it or any of the
Organizational Documents; (B) conflict with, result in a breach of or constitute
(with due notice or lapse of time or both) a default under any Contractual
Obligation binding on it or (C) result in or require the creation or imposition
of any Lien upon any of its properties or assets and (d) this Amendment has been
duly executed and delivered by it and is its legally valid and binding
obligation, enforceable against it in accordance with its terms, except as may
be limited by bankruptcy, insolvency, reorganization, moratorium or similar laws
relating to or limiting creditors' rights generally or by equitable principles
relating to enforceability.

SECTION 5. MISCELLANEOUS.

     5.1 The Credit Agreement, the Notes and each of the other Credit Documents,
as specifically amended and otherwise modified by this Amendment, are and shall
continue to be in full force and effect and are hereby in all respects ratified
and confirmed. Nothing contained in this Amendment shall extinguish the
obligations for the payment of money outstanding under the Credit Agreement or
any other Credit Document or discharge or release the Liens created under or
affect the priority of any Collateral Document.

     5.2 This Amendment may be executed in any number of counterparts and by
different parties hereto in separate counterparts, each of which shall be deemed
to be an original, but all of which taken together shall constitute one and the
same agreement. Delivery of an executed counterpart of this Amendment by
telefacsimile or a .PDF by electronic mail shall be equally as effective as
delivery of an original executed counterpart of this Amendment. Any party
delivering an executed counterpart of this Amendment by telefacsimile also shall
deliver an original executed counterpart of this

<PAGE>

Amendment but the failure to deliver an original executed counterpart shall not
affect the validity, enforceability, and binding effect of this Amendment.

     5.3 Any provision of this Amendment which is prohibited or unenforceable in
any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of
such prohibition or unenforceability without invalidating the remaining portions
hereof or affecting the validity or enforceability of such provision in any
other jurisdiction.

     5.4 THIS AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER
SHALL BE GOVERNED BY, AND SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH,
THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO CONFLICT OF LAWS PRINCIPLES
(OTHER THAN SECTIONS 5-1401 AND 5-1402 OF THE NEW YORK GENERAL OBLIGATIONS LAW)
THEREOF.

     5.5 Each of the parties hereto agrees that no party hereto shall be deemed
to be the drafter of this Amendment.

     5.6 EACH GUARANTOR HEREBY CONSENTS TO THIS AMENDMENT AND HEREBY CONFIRMS
AND AGREES THAT (A) NOTWITHSTANDING THE EFFECTIVENESS OF THIS AMENDMENT, ITS
OBLIGATIONS UNDER SECTION 7 OF THE CREDIT AGREEMENT AND THE OTHER CREDIT
DOCUMENT ARE, AND SHALL CONTINUE TO BE, IN FULL FORCE AND EFFECT AND ARE HEREBY
RATIFIED AND CONFIRMED IN ALL RESPECTS AND (B) THE COLLATERAL DOCUMENTS TO WHICH
IT IS A PARTY AND ALL OF THE COLLATERAL DESCRIBED THEREIN DO, AND SHALL CONTINUE
TO, SECURE THE PAYMENT OF ALL OF THE OBLIGATIONS SECURED THEREBY.

<PAGE>

          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be executed by their respective officers thereunto duly authorized, as of the
date first above written.

                                        Company:

                                        NAVISITE, INC.

                                        By: /s/ Jim Pluntze
                                            ------------------------------------
                                        Name: Jim Pluntze
                                        Title: CFO and Treasurer

<PAGE>

                                       Guarantors:

                                       AVASTA, INC.
                                       CLEARBLUE TECHNOLOGIES MANAGEMENT, INC.
                                       CLEARBLUE TECHNOLOGIES/ CHICAGO-WELLS,
                                          INC.
                                       CLEARBLUE TECHNOLOGIES/ LAS VEGAS, INC.
                                       CLEARBLUE TECHNOLOGIES/ LOS ANGELES, INC.
                                       CLEARBLUE TECHNOLOGIES/ MILWAUKEE, INC.
                                       CLEARBLUE TECHNOLOGIES/ OAK BROOK, INC.
                                       CLEARBLUE TECHNOLOGIES/ VIENNA, INC.
                                       CLEARBLUE TECHNOLOGIES/ DALLAS, INC.
                                       CLEARBLUE TECHNOLOGIES/ NEW YORK, INC.
                                       CLEARBLUE TECHNOLOGIES/ SAN FRANCISCO,
                                          INC.
                                       CLEARBLUE TECHNOLOGIES/ SANTA CLARA, INC.
                                       CONXION CORPORATION
                                       INTREPID ACQUISITION CORP.
                                       LEXINGTON ACQUISITION CORP.
                                       MANAGEDOPS.COM, INC.
                                       SUREBRIDGE ACQUISITION CORP.
                                       SUREBRIDGE SERVICES, INC.
                                       SITEROCK CORPORATION
                                       NAVISITE ACQUISITION SUBSIDIARY, INC.

                                       By: /s/ Jim Pluntze
                                           ------------------------------------
                                       Name: Jim Pluntze
                                       Title: CFO and Treasurer

<PAGE>

                                        SILVER POINT FINANCE, LLC,
                                        as Administrative Agent

                                        By: /s/ Richard Petrilli
                                            ------------------------------------
                                        Name: Richard Petrilli
                                        Title: Authorized Signatory

<PAGE>

                                        FIELD POINT I, LTD.,
                                        as a Lender

                                        By: /s/ Richard Petrilli
                                            ------------------------------------
                                        Name: Richard Petrilli
                                        Title: Authorized Signatory

<PAGE>

                                        FIELD POINT II, LTD.,
                                        as a Lender

                                        By: /s/ Richard Petrilli
                                            ------------------------------------
                                        Name: Richard Petrilli
                                        Title: Authorized Signatory

<PAGE>

                                        FIELD POINT III, LTD.,
                                        as a Lender

                                        By: /s/ Richard Petrilli
                                            ------------------------------------
                                        Name: Richard Petrilli
                                        Title: Authorized Signatory

<PAGE>

                                        SPCP GROUP III, LLC
                                        as a Lender

                                        By: /s/ Richard Petrilli
                                            ------------------------------------
                                        Name: Richard Petrilli
                                        Title: Authorized Signatory

<PAGE>

                                        SPCP GROUP, L.L.C.
                                        as a Lender

                                        By: /s/ Richard Petrilli
                                            ------------------------------------
                                        Name: Richard Petrilli
                                        Title: Authorized Signatory

<PAGE>

                                        SPF CDO I, LLC,
                                        as a Lender

                                        By: /s/ Richard Petrilli
                                            ------------------------------------
                                        Name: Richard Petrilli
                                        Title: Authorized Signatory<PAGE>

                                                                    Exhibit 10.4

                          AMENDMENT NO. 4 AND WAIVER TO
                          CREDIT AND GUARANTY AGREEMENT

          THIS AMENDMENT NO. 4 AND WAIVER TO CREDIT AND GUARANTY AGREEMENT,
dated as of February 13, 2007 (this "AMENDMENT"), by and among NaviSite, Inc., a
Delaware corporation ("COMPANY"), the Subsidiaries of the Company party hereto,
as Guarantors ("GUARANTORS"), the Lenders (defined below) party hereto and
Silver Point Finance, LLC ("SILVER POINT"), as Administrative Agent
("ADMINISTRATIVE AGENT").

                                    RECITALS:

          WHEREAS, the Company, the Guarantors, the lenders party thereto (the
"LENDERS"), the Administrative Agent and Silver Point, as Collateral Agent, are
parties to that certain Credit and Guaranty Agreement dated as of April 11,
2006, as amended by that certain Amendment No. 1 to Credit and Guaranty
Agreement dated as of June 2, 2006, Amendment No. 2 and Waiver to Credit and
Guaranty Agreement dated as of September 26, 2006, that certain Waiver and
Extension Agreement dated as of November 28, 2006 and that certain Amendment No.
3 to Credit and Guaranty Agreement dated as of January 5, 2007 (the "CREDIT
AGREEMENT"; capitalized terms used and not defined herein shall have the
meanings set forth in the Credit Agreement after giving effect to this
Amendment); and

          WHEREAS, on January 2, 2007, Atlantic converted all amounts
constituting principal, interest and other amounts outstanding under the
Atlantic Existing Credit Facility (the "AECF Outstandings") to common stock of
the Company pursuant to the term thereof;

          WHEREAS, pursuant to Section 5.17 of the Credit Agreement, the Lenders
and their respective Affiliates had the right to make additional loans under the
Credit Agreement on substantially the same terms as the existing Term Loan under
the Credit Agreement in a principal amount equal to the AECF Outstandings (the
"SUPPLEMENTAL TERM LOAN"), and to require the Company to use the proceeds of the
Supplemental Term Loan to the repayment in full of the AECF Outstandings and to
issue the Supplemental Warrants (defined below) to the Supplemental Term Loan
Lenders; and

          WHEREAS, the Company has requested that Field Point I, Ltd. and SPF
CDO I, Ltd. (each, a "SUPPLEMENTAL TERM LOAN LENDER") make the Supplemental Term
Loan and permit the Company to retain the proceeds thereof for working capital
and other general corporate purposes, and the Supplemental Term Lenders has
agreed to make the Supplemental Term Loan on such terms,

          NOW, THEREFORE, in consideration of the premises set forth above, the
terms and conditions contained herein and other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, the parties hereto
agree as follows:

<PAGE>

SECTION 1. AMENDMENTS.

     1.1 The definition of "Term Loan" contained in Section 1.1 of the Credit
Agreement is hereby amended and restated to read in its entirety as follows:

               "TERM LOAN" means the collective reference to (i) each Term Loan
          made by a Lender to Company pursuant to Section 2.1 (a) and (ii) the
          Supplemental Term Loan.

     1.2 Section 1.1 of the Credit Agreement is hereby further amended by adding
the following definitions thereto in proper alphabetical order:

               "INITIAL SUPPLEMENTAL TERM LOAN LENDERS" mean Field Point I, Ltd.
          and SPF CDO I, Ltd.

               "LENDER" means each financial institution listed on the signature
          pages hereto as a Lender, each Initial Supplemental Term Loan Lender
          and any other Person that becomes a party hereto pursuant to an
          Assignment Agreement.

               "SUPPLEMENTAL TERM LOAN" means a term loan made by the Initial
          Supplemental Term Loan Lenders on the Supplemental Term Loan Date in a
          principal amount equal to $3,762,753.

               "SUPPLEMENTAL TERM LOAN DATE" means February 13,2007.

     1.3 Section 6.8(b) of the Credit Agreement is hereby amended and restated
in its entirety as follows:

               (b) Leverage Ratio. Company shall not permit the Leverage Ratio
          as of the last day of any Fiscal Quarter, beginning with the Fiscal
          Quarter ending April 30, 2006, to exceed the correlative ratio
          indicated:

<TABLE>
<CAPTION>
  Fiscal Quarter     Leverage
      ending          Ratio
-----------------   ---------
<S>                 <C>
April 30, 2006      5.60:1.00
July 31, 2006       4.95:1.00
October 31, 2006    4.25:1.00
January 31, 2007    3.95:1.00
April 30, 2007      3.85:1.00
July 31, 2007       3.70:1.00
October 31, 2007    3.30:1.00
January 31, 2008    3.20:1.00
April 30, 2008      3.15:1.00
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
  Fiscal Quarter     Leverage
      ending          Ratio
-----------------   ---------
<S>                 <C>
July 31, 2008       3.05:1.00
October 31, 2008    2.85:1.00
January 31, 2009    2.70:1.00
On April 30, 2009   2.50:1.00
   and thereafter
</TABLE>

SECTION 2. WAIVERS, (a) Upon the effectiveness of this Amendment in accordance
with Section 6 hereof, each of the Lenders party hereto hereby waives any
Default or Event of Default that may have arisen prior to the date hereof under
Section 8(e) of the Credit Agreement from the failure of Company to provide to
Administrative Agent with notice on or before the Business Day following the
75th day after the Closing Date (i) that the Atlantic Existing Credit Facility
was still outstanding and (ii) of the amount of the AECF Outstandings on such
date.

               (b) Upon the effectiveness of this Amendment in accordance with
Section 6 hereof, each of the Lenders party hereto hereby waives compliance by
the Company with the requirement contained in Section 5.17 of the Credit
Agreement that the proceeds of the Supplemental Term Loan be used to repay the
AECF Outstandings in full.

               (c) Upon the effectiveness of this Amendment in accordance with
Section 6 hereof, each of the Lenders party hereto hereby waives any Default or
Event of Default that may have arisen prior to the date hereof under Section
8(c) of the Credit Agreement from the failure of Company to provide to
Administrative Agent and Lenders, on a timely basis, the financial statements
required under Section 5.1 (a) of the Credit Agreement for the month ending on
November 30,2006.

SECTION 3. EXTENSIONS.

     Upon the effectiveness of this Amendment in accordance with Section 6
hereof, each of the Lenders party hereto hereby consents to the extensions of
the time periods contained on Schedule 5.15 of the Credit Agreement that are
reflected on Annex A hereto.

SECTION 4. USE OF PROCEEDS.

     Company agrees to use the proceeds of the Supplemental Term Loan for
working capital and other general corporate purposes.

<PAGE>

SECTION 5. SUPPLEMENTAL WARRANTS.

     Company represents and warrants that it has authorized the issuance of
warrants for the purchase of an aggregate of 415,203 shares of common stock of
Company pursuant to warrants (the "SUPPLEMENTAL WARRANTS") to be issued by
Company to SPCP Group, LLC and SPCP Group III, LLC on the Supplemental Term Loan
Date, subject to adjustment as set forth in the Supplemental Warrants. Such
Supplemental Warrants shall be substantially in the form set forth as Exhibit A
attached to the Warrant Agreement.

SECTION 6. CONDITIONS TO EFFECTIVENESS OF THIS AMENDMENT.

          This Amendment shall be effective as of the date hereof, upon the
satisfaction (or waiver) of the following conditions precedent:

               (a) the Administrative Agent shall have received counterparts to
     this Amendment duly executed and delivered by the Company, each Guarantor,
     the Supplemental Term Lender and the Requisite Lenders;

               (b) the Company shall have paid all costs, fees and expenses
     incurred by the Administrative Agent in connection with the preparation of
     this Amendment;

               (c) after giving effect to this Amendment, no Default or Event of
     Default shall have occurred and be continuing;

               (d) after giving effect to this Amendment, the representations
     and warranties contained herein and in the Credit Documents shall be true
     and correct in all material respects on and as of the date hereof to the
     same extent as though made on and as of such date, except to the extent
     such representations and warranties specifically relate to an earlier date,
     in which case such representations and warranties shall have been true and
     correct in all material respects on and as of such earlier date;

               (e) Company and its Subsidiaries shall have delivered to
     Administrative Agent an originally executed certificate as to the matters
     set forth in Section 3.2 (a)(iii) and (iv) of the Credit Agreement as of
     such date after giving effect to the Amendment;

               (f) Administrative Agent shall have received a fully executed and
     delivered Funding Notice for the Supplemental Term Loan;

<PAGE>

               (g) Administrative Agent shall have received satisfactory
     evidence that no amounts are outstanding under the Atlantic Existing Credit
     Facility, and that the same shall have been terminated;

               (h) Company and each Supplemental Term Loan Lender shall have
     executed and delivered a Warrant Agreement substantially in the form of
     Exhibit L to the Credit Agreement relating to the Supplemental Warrants
     (the "SUPPLEMENTAL WARRANT AGREEMENT"), and the Company shall have issued
     the Supplemental Warrants to the Supplemental Term Loan Lenders; and

               (i) Administrative Agent shall have received (i) signature and
     incumbency certificates of the officers of such Person executing this
     Amendment and the Supplemental Warrant Agreement and (ii) resolutions of
     the Board of Directors or similar governing body of each Credit Party
     approving and authorizing the execution, delivery and performance of this
     Amendment and, in the case of the Company, the Supplemental Warrant
     Agreement, certified as of the Closing Date by its secretary or an
     assistant secretary as being in full force and effect without modification
     or amendment.

SECTION 7. REPRESENTATIONS AND WARRANTIES.

          The Company and each Guarantor hereby represent and warrant to each
Lender, the Administrative Agent and the Collateral Agent that (a) it is duly
organized, validly existing and in good standing under the laws of its
jurisdiction of organization, (b) it has all requisite power and authority to
enter into this Amendment and the Supplemental Warrant Agreement, (c) the
execution, delivery and performance by it of this Amendment and the Supplemental
Warrant Agreement (i) has been duly authorized by all necessary organizational
action and (ii) does not and will not (A) violate any provision of any law or
any governmental rule or regulation applicable to it or any of the
Organizational Documents; (B) conflict with, result in a breach of or constitute
(with due notice or lapse of time or both) a default under any Contractual
Obligation binding on it or (C) result in or require the creation or imposition
of any Lien upon any of its properties or assets and (d) this Amendment and the
Supplemental Warrant Agreement has been duly executed and delivered by it and is
its legally valid and binding obligation, enforceable against it in accordance
with its terms, except as may be limited by bankruptcy, insolvency,
reorganization, moratorium or similar laws relating to or limiting creditors'
rights generally or by equitable principles relating to enforceability.

SECTION 8. SUPPLEMENTAL TERM LOAN GENERALLY.

          Each of Administrative Agent, Company, each Guarantor, each
Supplemental Term Loan Lender and each other Lender hereby agrees that from and
after

<PAGE>

the effective date of this Amendment (a) each Supplemental Term Loan Lender
shall be a Lender for all purposes under the Credit Agreement, (b) the
Supplemental Term Loan shall be considered Term Loan for all purposes of the
Credit Agreement and the other Credit Documents effective on such date and (c)
any notes issued to evidence the Supplemental Term Loan from time to time shall
be considered Term Loan Notes.

SECTION 9. ADDITIONAL UNDERTAKING.

          Company hereby agrees that it shall cause each of Atlantic and
Atlantic Related Entity to execute and deliver to Administrative Agent and
Lenders on or prior to February 23, 2007, a confirmation and reaffirmation of
the Credit Documents to which they are a party, in form and substance
satisfactory to the Administrative Agent. Failure of Company to comply with its
undertakings under this Section 9 shall constitute an Event of Default.

SECTION 10. MISCELLANEOUS.

     10.1 The waivers set forth herein are effective solely for the purposes set
forth herein and shall be limited precisely as written, and shall not be deemed
to (i) be a consent to, or acknowledgment of, any amendment, waiver or
modification of any other term or condition of the Credit Agreement or any other
Credit Document or of the same provision of the Credit Agreement for any
subsequent period or (ii) prejudice any right or remedy which the Administrative
Agent, the Collateral Agent or any Lender may now have or may have in the future
under or in connection with the Credit Agreement or any other Credit Document.
This Amendment shall be construed in connection with and as part of the Credit
Agreement, and all terms, conditions, representations, warranties, covenants and
agreements set forth in the Credit Agreement, each other Credit Document and
each other instrument or agreement referred to therein, except as herein waived,
are hereby ratified and confirmed and shall remain in full force and effect.

     10.2 The parties hereto agree that the "issue price" (as defined under
Section 1273 of the Internal Revenue Code) of the Supplemental Term Loan is
$2,260,455.13.

     10.3 . The parties shall not take any position inconsistent therewith,
including, without limitation, for purposes of reporting any original issue
discount on the Supplemental Term Loan for U.S. federal income tax purposes.

     10.4 The Credit Agreement, the Notes and each of the other Credit
Documents, as specifically amended and otherwise modified by this Amendment, are
and shall continue to be in full force and effect and are hereby in all respects
ratified and confirmed. Nothing contained in this Amendment shall extinguish the
obligations for the payment of money outstanding under the Credit Agreement or
any other Credit Document or discharge or release the Liens created under or
affect the priority of any Collateral Document.

<PAGE>

     10.5 This Amendment may be executed in any number of counterparts and by
different parties hereto in separate counterparts, each of which shall be deemed
to be an original, but all of which taken together shall constitute one and the
same agreement. Delivery of an executed counterpart of this Amendment by
telefacsimile or a .PDF by electronic mail shall be equally as effective as
delivery of an original executed counterpart of this Amendment. Any party
delivering an executed counterpart of this Amendment by telefacsimile also shall
deliver an original executed counterpart of this Amendment but the failure to
deliver an original executed counterpart shall not affect the validity,
enforceability, and binding effect of this Amendment.

     10.6 Any provision of this Amendment which is prohibited or unenforceable
in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent
of such prohibition or unenforceability without invalidating the remaining
portions hereof or affecting the validity or enforceability of such provision in
any other jurisdiction.

     10.7 THIS AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER
SHALL BE GOVERNED BY, AND SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH,
THE LAWS OF THE STATE OF NEW YORK WITHOUT REGARD TO CONFLICT OF LAWS PRINCIPLES
(OTHER THAN SECTIONS 5-1401 AND 5-1402 OF THE NEW YORK GENERAL OBLIGATIONS LAW)
THEREOF.

     10.8 Each of the parties hereto agrees that no party hereto shall be deemed
to be the drafter of this Amendment.

     10.9 EACH GUARANTOR HEREBY CONSENTS TO THIS AMENDMENT AND HEREBY CONFIRMS
AND AGREES THAT (A) NOTWITHSTANDING THE EFFECTIVENESS OF THIS AMENDMENT, ITS
OBLIGATIONS UNDER SECTION 7 OF THE CREDIT AGREEMENT AND THE OTHER CREDIT
DOCUMENT ARE, AND SHALL CONTINUE TO BE, IN FULL FORCE AND EFFECT AND ARE HEREBY
RATIFIED AND CONFIRMED IN ALL RESPECTS AND FURTHER CONFIRMS THAT ALL OBLIGATIONS
AND LIABILITIES OF COMPANY UNDER OR IN CONNECTION WITH THE SUPPLEMENTAL TERM
LOAN SHALL CONSTITUTE GUARANTEED OBLIGATIONS AND (B) THE COLLATERAL DOCUMENTS TO
WHICH IT IS A PARTY AND ALL OF THE COLLATERAL DESCRIBED THEREIN DO, AND SHALL
CONTINUE TO, SECURE THE PAYMENT OF ALL OF THE OBLIGATIONS SECURED THEREBY (WHICH
SHALL INCLUDED ALL OBLIGATIONS AND LIABILITIES OF COMPANY UNDER OR IN CONNECTION
WITH THE SUPPLEMENTAL TERM LOAN).
<PAGE>

          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be executed by their respective officers thereunto duly authorized, as of the
date first above written.

                                        Company:

                                        NAVISITE, INC.

                                        By: /s/ Jim Pluntze
                                            ------------------------------------
                                        Name: Jim Pluntze
                                        Title: CFO and Treasurer

                                                   Amendment No. 4 and Waiver to
                                                   Credit and Guaranty Agreement

<PAGE>

                                  Guarantors:

                                  AVASTA, INC.
                                  CLEARBLUE TECHNOLOGIES MANAGEMENT, INC.
                                  CLEARBLUE TECHNOLOGIES/ CHICAGO-WELLS, INC.
                                  CLEARBLUE TECHNOLOGIES/ LAS VEGAS, INC.
                                  CLEARBLUE TECHNOLOGIES/ LOS ANGELES, INC.
                                  CLEARBLUE TECHNOLOGIES/ MILWAUKEE, INC.
                                  CLEARBLUE TECHNOLOGIES/ OAK BROOK, INC.
                                  CLEARBLUE TECHNOLOGIES/ VIENNA, INC.
                                  CLEARBLUE TECHNOLOGIES/ DALLAS, INC.
                                  CLEARBLUE TECHNOLOGIES/ NEW YORK, INC.
                                  CLEARBLUE TECHNOLOGIES/ SAN FRANCISCO, INC.
                                  CLEARBLUE TECHNOLOGIES/ SANTA CLARA, INC.
                                  CONXION CORPORATION
                                  INTREPID ACQUISITION CORP.
                                  LEXINGTON ACQUISITION CORP.
                                  MANAGEDOPS.COM, INC.
                                  SUREBRIDGE ACQUISITION CORP.
                                  SUREBRIDGE SERVICES, INC.
                                  NAVISITE ACQUISITION SUBSIDIARY, INC.

                                  By: /s/ Jim Pluntze
                                      ------------------------------------------
                                  Name: Jim Pluntze
                                  Title: CFO and Treasurer

                                                   Amendment No. 4 and Waiver to
                                                   Credit and Guaranty Agreement

<PAGE>

                                        SILVER POINT FINANCE, LLC,
                                        as Administrative Agent

                                        By: /s/ Frederick H. Fogel
                                            ------------------------------------
                                        Name: Frederick H. Fogel
                                        Title: Authorized Signatory

                                                   Amendment No. 4 and Waiver to
                                                   Credit and Guaranty Agreement

<PAGE>

                                        FIELD POINT I, LTD.,
                                        as a Lender and a Supplemental Term Loan
                                        Lender

                                        By: /s/ Frederick H. Fogel
                                            ------------------------------------
                                        Name: Frederick H. Fogel
                                        Title: Authorized Signatory

                                                   Amendment No. 4 and Waiver to
                                                   Credit and Guaranty Agreement

<PAGE>

                                        FIELD POINT II, LTD.,
                                        as a Lender

                                        By: /s/ Frederick H. Fogel
                                            ------------------------------------
                                        Name: Frederick H. Fogel
                                        Title: Authorized Signatory

                                                   Amendment No. 4 and Waiver to
                                                   Credit and Guaranty Agreement

<PAGE>

                                        FIELD POINT III, LTD.,
                                        as a Lender

                                        By: /s/ Frederick H. Fogel
                                            ------------------------------------
                                        Name: Frederick H. Fogel
                                        Title: Authorized Signatory

                                                   Amendment No. 4 and Waiver to
                                                   Credit and Guaranty Agreement

<PAGE>

                                        SPCP GROUP III, LLC
                                        as a Lender

                                        By: /s/ Frederick H. Fogel
                                            ------------------------------------
                                        Name: Frederick H. Fogel
                                        Title: Authorized Signatory

                                                   Amendment No. 4 and Waiver to
                                                   Credit and Guaranty Agreement

<PAGE>

                                        SPCP GROUP, L.L.C.
                                        as a Lender

                                        By: /s/ Frederick H. Fogel
                                            ------------------------------------
                                        Name: Frederick H. Fogel
                                        Title: Authorized Signatory

                                                   Amendment No. 4 and Waiver to
                                                   Credit and Guaranty Agreement

<PAGE>

                                        SPF CDO I, LTD.
                                        as a Lender and a Supplemental Term Loan
                                        Lender

                                        By: /s/ Frederick H. Fogel
                                            ------------------------------------
                                        Name: Frederick H. Fogel
                                        Title: Authorized Signatory

                                                   Amendment No. 4 and Waiver to
                                                   Credit and Guaranty Agreement

<PAGE>

                                   ANNEX A TO
                           AMENDMENT NO. 4 AND WAIVER

                Extension regarding certain Post-Closing Matters

Company will provide to Administrative Agent on or before March 16, 2007,
agreements terminating or releasing all copyright and trademark lien filings
made against SSI by Fleet National Bank or its successor, in form and substance
satisfactory to Lender.

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