Document:

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                                                                   EXHIBIT 10.17

                     SECOND AMENDMENT TO LICENSE AGREEMENT
                            1505 SALADO DRIVE LICENSE

     This Second Amendment to License Agreement is made and entered into as of
the 30th day of September, 1996, by and between Sun Microsystems, Inc. a
Delaware corporation ("Sun") and Remedy Corporation, a Delaware corporation
("Licensee").

     WHEREAS, Sun is the Lessee under that certain Lease Agreement (the
"Lease") dated September 1, 1987, with John Arrillaga, Trustee of the John
Arrillaga Separate Trust dated July 20, 1977, and Richard T. Peery, Trustee of
the Richard T. Peery Separate Property Trust dated July 20, 1977 (collectively
"Lessor") for the real property located at 1505 Salado Drive, Mountain View,
California (the "Premises"), and

     WHEREAS, Sun and Licensee entered into a License Agreement dated
March 11, 1994 (the "License"), as modified by the First Amendment to License
dated June 23, 1994, permitting Licensee's to use and occupy said Premises, and

     WHEREAS, Sun and Licensee entered into a license agreement, dated March 11,
1994, (the "1500 Salado License") whereby Sun was permitted to use and occupy
that certain real property located at 1500 Salado Drive, Mountain View, CA.,
then being leased to Licensee as the lessee, and

     WHEREAS, Sun and Licensee desire to amend the License Agreement as
hereinafter provided.

     NOW, THEREFORE, in consideration of the mutual promises and covenants
herein stated, the parties hereto agree as follows:

     1.(a)  The License Term shall be extended for the period commencing July 1,
1996 and ending June 30, 1999 (the "First Extended Term"), subject to the
Independent Termination Option, as hereinafter defined. Licensee shall have the
option (the "Independent Termination Option") to terminate this License by
delivering written notice thereof to Sun at any time during the period
commencing with the sixth (6th) month of the First Extended Term and expiring
at the end of the fifty fourth (54th) month of the term of this License, as the
same may be further extended hereunder. In the event Licensee exercises its
Independent Termination Option in a timely manner, this License shall
terminate six (6) months after delivery of written notice thereof to Sun, with
no termination payment to be paid by Licensee, and all rent due hereunder shall
be prorated to the termination date.

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<PAGE>   2
     1.(b)  In the event Sun exercises its right to terminate the 1500 Salado
License during the First Extended Term, Licensee may either (i) terminate this
License Agreement, effective on and as of the date the 1500 Salado License is
terminated, or (ii) convert this License Agreement to a sublease for the
Premises for the First Extended Term, in which case the rent under such
sublease shall be ninety five percent (95%) of the then fair market rental
value of the Premises.

     2.(a)  Provided that it has not exercised its, Independent Termination
Option, Licensee may further extend the First Extended Term for an additional
two (2) years (the "Second Extended Term"), by delivering written notice
thereof to Sun at least six (6) months prior to expiration of the First
Extended Term.

     2.(b)  In the event Sun exercises its right to terminate the 1500 Salado
License during the Second Extended Term, Licensee may either (i) terminate this
License Agreement, effective on and as of the date the 1500 Salado License is
terminated, or (ii) convert this License Agreement to a sublease for the
Premises for the Second Extended Term, in which case the rent under such
sublease shall be ninety five percent (95%) of the then fair market rental
value of the Premises.

     3.   Unless and until Licensee exercises its Independent Termination
Option, Licensee shall have a right of first refusal (the "Right of First
Refusal") to sublease the Premises from Sun during the remaining term of the
Lease. Sun shall give Licensee written notice of any proposed sublease of the
Premises by Sun to any third party and all material terms thereof. Licensee
shall have the right to sublease the Premises upon the same terms and
conditions as set forth in Sun's written notice to Licensee by delivering
written notice of its election to sublease the Premises to Sun within fifteen
(15) days of delivery by Sun of Sun's written notice to Licensee. In the event
Licensee shall fail to deliver written notice to Sun of Licensee's exercise of
its Right of First Refusal hereunder within said fifteen (15) day period,
Licensee shall be deemed to have waived all rights hereunder and the Right of
First Refusal shall terminate. In the event Licensee shall timely exercise its
Right of First Refusal in the manner provided herein, Licensee and Sun shall
thereafter promptly enter into a sublease agreement upon all of the material
terms set forth in Sun's written notice to Licensee, subject, however, to any
required approval from Lessor under the terms of the Lease.  The term
"sublease" as used herein shall also include any assignment of the Lease
proposed by Sun.

The foregoing notwithstanding, no Right of First Refusal shall arise in the
event of an intended sublease or assignment of the License to an affiliate of
Licensee or a successor in

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interest by reason of any merger or consolidation with, or acquisition of, any
entity succeeding to all or substantially all of the assets of Licensee.

     4.  Paragraph 3 of the License Agreement is hereby deleted in its entirety
and replaced with the following:

<TABLE>
<CAPTION>
                 DATE                                    AMOUNT
                 ----                                    ------
           <S>                                    <C>
           7/1/96 -- 6/30/97                      $14,602.00 per month
           7/1/97 -- 6/30/98                      $15,019.20 per month
           7/1/98 -- 6/30/99                      $15,436.40 per month
           7/1/99 -- 6/30/00                      $15,853.60 per month
           7/1/00 -- 6/30/01                      $16,270.80 per month
</TABLE>

     In the event Licensee elects to convert this License Agreement to a
sublease as provided in paragraph 1.(b) or 2.(b) above, Licensee shall pay to
Sun base rent for the Premises determined as provided in paragraph 1.(b) or
2.(b) above, and Paragraph 10 of this Second Amendment. Base Rent shall be
payable, in advance, on the first day of each month of the Term, prorated for
the portion of any partial month during the term of such sublease. During the
term of this License, as extended, Sun shall not agree to modify or terminate
the Lease without the prior written consent of Licensee, which shall not be
unreasonably withheld. In the event Sun is in default under the Lease, Licensee
shall have the right, but not the obligation, to cure Sun's default and to keep
the Lease in full force and effect. Sun shall be liable to Licensee for the
actual and reasonable direct cost and expenses incurred by Licensee in curing
Sun's default.

     5.  Paragraph 4 of the License Agreement has been satisfied and is hereby
deleted.

     6.  Paragraph 6 of the License Agreement is hereby deleted and replaced
with the following:

       Licensee shall have no obligation under the Lease to Lessor and shall not
    be required to pay or reimburse Sun for any base rent or additional rent
    due thereunder, except as provided in Paragraph 3 of the License Agreement,
    as modified by this Second Amendment. Licensee shall arrange for utility
    services to be provided to Licensee in its name and shall pay, when due,
    all costs of utilities consumed at the Premises during the First Extended
    Term and the Second Extended Term, as the

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<PAGE>   4
      case may be. As used herein, "utilities" shall mean natural gas,
      electricity, water, sewer and garbage and refuse collection. For those
      operating expenses for which Licensee has agreed to reimburse Sun pursuant
      to Paragraph 3 of the License Agreement, as modified by this Second
      Amendment, Licensee shall pay to Sun the amounts due within thirty (30)
      days after Sun has forwarded to Licensee written statements from the
      Lessor setting out the amounts then due and payable with respect thereto.
      Licensee shall be liable for, and pay when due, all additional rent and
      costs due under the Lease for the Premises with respect to taxes,
      insurance, security maintenance, building repair and maintenance
      (including, but not limited to, janitorial services) and landscaping.

            7.    Paragraph 9 of the License Agreement is hereby deleted.

            8.    Upon expiration of the term of this License, Licensee shall
return the Premises to Sun, broom clean, and in good condition and repair,
normal wear and tear excepted. Licensee shall also undertake and complete any
reasonable tenant improvements and restoration of the Premises required by
Lessor pursuant to the Lease, but only in the event and to the extent such
tenant improvements were made by Licensee. In the event that Lessor requires
that the Premises be restored to its original condition, Licensee may
participate in negotiations with Sun and Lessor in an effort to minimize such
restoration, and Sun shall cooperate with Licensee in that regard.

            9.    Paragraph 1, of the First Amendment to License Agreement has
been satisfied and is hereby deleted.

            10.   For purposes of any adjustment of rent pursuant to Paragraphs
1 and 2, above, "fair market rental value" shall be determined as follows
(provided however, in no event shall the amount so determined be less than the
base rent determined pursuant to the Lease);

                  10.1  In the event that base rent for the Premises is to be
payable pursuant to Paragraphs 1 and 2, above, the parties shall meet and
confer upon request by either party in an attempt to reach agreement within a
fifteen (15) day period upon such fair market rental value. In the event the
parties agree upon such rent within such fifteen (15) day period, the parties
shall execute a written memorandum documenting such agreement and the new
rental schedule. In the event, that the parties fail to reach such agreement
within such fifteen (15) day period, then the fair mar-

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ket rental value shall be determined in the manner set forth in paragraph 9.2
hereof. Fair market rental value shall be determined with reference to
comparable space, with tenants with similar credit and for similar size
premises within the same market area, taking into account all relevant factors
affecting the determination of rent, including the term of the License or
sublease as the case may be, as may be extended, and the location and all
amenities of the buildings, but excluding the value of all tenant improvements
installed in the Premises by Licensee. The determination of fair market rental
value shall include any rental adjustments prevalent in the market at the time.

      10.2  If the parties are unable to agree upon the fair market rent for
the Premises as provided in Paragraph 9.1 above, each party shall, upon
expiration of the fifteen (15) day period set forth in Paragraph 9.1, promptly
appoint a real estate appraiser who shall be a member of the American Institute
of Real Estate Appraisers ("AIREA") and shall be experienced in the appraisal of
rental values for comparable properties in the same market area. Such
appraisers shall each determine the fair market monthly rent for the Premises
taking into account all relevant factors set forth in Paragraph 9.1 above. Such
appraisers shall, within forty-five (45) days after their appointment, complete
their appraisals and submit their appraisal reports to the parties. If the fair
market monthly rent for the Premises established in the two appraisals varies
by ten percent (10%) or less of the higher rental, the average of the two
appraisals shall be multiplied by ninety-five percent (95%) and the resulting
product shall be the base rent for the Premises. If the base rent varies by
more than ten percent (10%) of the higher rental, said appraisers, within ten
(10) days after submission of the last appraisal, shall appoint a third
appraiser who shall be a member of the AIREA, similarly qualified and
experienced. This third appraiser shall, within forty-five (45) days after his
appointment, determine by appraisal the monthly fair market rental value for
the Premises, taking into account the same factors referred to above, and
submit his appraisal report to the parties. The monthly fair market rental
value determined by the third appraiser for the Premises shall be averaged with
whichever of the other two appraised values is closest to that determined by
the third appraiser and said average shall be multiplied by ninety-five percent
(95%). The resulting product shall be the base rent for the Premises. If either
party fails to appoint an appraiser, or if one of the appointed appraisers
fails to perform his duties, the appraisal submitted by the performing
appraiser shall control. If the two appraisers appointed by the parties are
unable to agree upon a third

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appraiser within the required period, application shall be made within ten (10)
days thereafter by either party to the AIREA, which shall appoint a member of
said institute to serve as appraiser. Each party shall bear the cost of the
appraiser it appoints and the cost of the third appraiser, if any, shall be
shared equally by the parties.

11.  Paragraph 12 of the License Agreement is hereby deleted in its entirety.

12.  So long as Licensee occupies the Premises Licensee shall, at its costs and
expense, keep and maintain the Premises, and every part thereof, in a high
standard of maintenance and repair and in good and sanitary condition in the
manner set out in the Building Maintenance Specifications, attached hereto as
Exhibit A, but in no event in a condition less than that required under the
terms of the Lease.

13.  Except as set forth in this Second Amendment to License Agreement, all of
the terms and provisions of the License Agreement shall apply and shall remain
unmodified and in full force and effect.

IN WITNESS WHEREOF, this Second Amendment to License Agreement has been
executed as of the day and year first above written.

"SUN"                                        "LICENSEE"

SUN MICROSYSTEMS, INC.                       REMEDY CORPORATION
A Delaware corporation                       A Delaware corporation

By: /s/ Agent of Sun Microsystems            By: /s/ Lawrence L. Garlick
   ------------------------------                -----------------------------
Its: Project Manager                         Its: Chairman and CEO
    -----------------------------                -----------------------------
Date: 9/30/96                                Date: September 25, 1996
     ----------------------------                 ----------------------------
<PAGE>   7
EXHIBIT A: BUILDING MAINTENANCE SPECIFICATIONS

1.   All work will comply with Local, State and Federal Building Codes and
     regulations. Work will meet or exceed generally accepted industry
     standards, including but not limited to:

     o    American Society of Heating Refrigeration and Air Conditioning
          Engineers (ASHRAE)
          o    Preventative maintenance will include but, not limited to:
               Monthly, quarterly, semi-annual and annual inspections and
               maintenance of the following types of equipment in accordance to
               MFG, recommendations:

<TABLE>
               <S>                                 <C>
               1.  Roof top units                  (monthly, quarterly,  semi-annual)
               2.  Split systems including
                   air handler and
                   condensing units                (same as above)
               3.  Pumps                           (semi-annual)
               4.  VFD                             (semi-annual)
               5.  Air compressors                 (monthly, quarterly,  semi-annual)
               6.  Ducting systems including VAV,
                   ductwork, insulation and
                   registers                       (continual)
               7.  Semi-annual filter change-out   (semi-annual)
</TABLE>
     o    American Society of Mechanical Engineers (ASME)
          o    Preventative maintenance will include but, not limited to:
               Monthly, quarterly, semi-annual and annual inspections and
               maintenance of the following types of equipment in accordance to
               MFG, recommendations:
<TABLE>
               <S>                                 <C>
               1.  Water heaters                   (semi-annual)
               2.  Back flow preventors            (annual)
               3.  Restroom type fixtures          (continual)
               4.  Water coolers                   (monthly)
               5.  Drains and P-traps              (continual)
</TABLE>
     o    National Electrical Code (NEC)
          o    Preventative maintenance will include but, not limited to:
               Monthly, quarterly, semi-annual and inspections and maintenance
               of the following types of equipment in accordance to MFG,
               recommendations:
<TABLE>
               <S>                                 <C>
               1.  Main service and distribution
                   systems                         (semi-annual)
               2.  Shunt trips and GFI             (bi-annual)
               3.  Infrared system analysis        (annual)
</TABLE>
     o    National Fire Protection Association (NFPA)
          o    Preventative maintenance will include but, not limited to:
               Monthly, quarterly, semi-annual and annual inspections and
               maintenance of the following types of equipment in accordance to
               MFG, recommendations:
<TABLE>
               <S>                                 <C>
               1.  Fire system panel, pull stations
                   and detectors                   (semi-annual)
               2.  Horn strobes                    (semi-annual)
               3.  Flow and tamper testing         (monthly)
               4.  Riser inspection and testing    (monthly and 5 yr)
               5.  Fire extinguisher               (monthly and annually)
</TABLE>
     o    William-Steiger Occupational Safety and Health Act (OSHA)
          o    Maintain compliance with all OSHA standards (29 CFR 1910)

                                                                               1
<PAGE>   8
In addition:

     o    Parking Lot

          1.   Lighting maintenance              (Monthly)

          2.   Surface and painting              (Bi-annually)

          3.   Grating and drainage              (Seasonal)

     o    Roof

          1.   Integrity                         (continual)

          2.   Gutter cleaning and drainage      (annual)

     o    Elevators

          1.   Maintenance and inspection        (monthly)

          2.   Load testing                      (5 year)

          3.   State inspection                  (annual)

     o    Finishes

          1.   Door and door hardware            (continual)

          2.   Walls and structural joists       (continual)

          3.   Floor finishes and underlayment   (continual)

          4.   Ceiling grid, fixtures and tiles  (continual)

Confidential Information for Johnson Controls internal use only. Unauthorized
use without expressed written consent is strictly prohibited.<PAGE>   1
                                                                   EXHIBIT 10.18

                      THIRD AMENDMENT TO LICENSE AGREEMENT
                           1505 SALADO DRIVE LICENSE

     This Third Amendment to License Agreement is made and entered into as of
the 30th day of June, 1999 by and between Sun Microsystems, Inc., a Delaware
corporation ("Sun") and Remedy Corporation, a Delaware corporation ("Licensee"
or "Remedy").

     WHEREAS, Sun is the Lessee under that certain Lease Agreement (the "Lease")
dated September 1, 1987, with John Arrillaga, Trustee of the John Artillaga
Separate Trust dated July 20, 1977, and Richard T. Perry, Trustee of the
Richard T. Perry Separate Property Trust dated July 20, 1977 (collectively
"Lessor") for the real property located at 1505 Salado Drive, Mountain View,
California (the "Premises"), and

     WHEREAS, Sun and Licensee entered into a License Agreement dated March 11,
1994 (the "1505 Salado License"), as modified by the First Amendment to License
dated June 23, 1994, and as modified by the Second Amendment to License dated
September 30, 1996, permitting Licensee to use and occupy the Premises, and

     WHEREAS, Sun and Licensee entered into a License Agreement dated March 11,
1994, as modified by the First Amendment to License dated September 30, 1996
(the "1500 Salado License") whereby Sun was permitted to use and occupy that
certain real property located at 1500 Salado Drive, Mountain View, California,
then being leased to the Licensee as the lessee, and

     WHEREAS, Sun and Licensee desire to amend the 1505 License Agreement, and
terminate the 1500 Salado License Agreement, as hereinafter provided.

     NOW, THEREFORE, in consideration of the mutual promises and covenants
herein stated, the parties hereto agree as follows:

     1.   The 1505 Salado License Agreement Term shall be extended for the
period commencing July 1, 1999 and ending June 30, 2001 (the "Second Extended
Term").

     2.   Paragraph 4 of the Second Amendment to the 1505 Salado Drive License
Agreement is hereby deleted in its entirety and replaced with the following:

<TABLE>
<CAPTION>
            Date                                    Amount
            ----                                    ------
<S>                                <C>
July 1, 1999 - June 30, 2000       $ 96,854.40  Base Rent per Month (NNN)
                                   $  7,723.45  Commission Rent per Month (NNN)
                                   -----------
                                   $104,577.85  Total Rent per Month (NNN)

July 1, 2000 - June 30, 2001       $ 99,403.20  Base Rent Per Month (NNN)
                                   $  7,723.45  Commission Rent per Month (NNN)
                                   -----------
                                   $107,126.65  Total Rent per Month (NNN)
</TABLE>

     The Base Rent equals the rent paid by Sun per its Lease. The Commission
Rent is to reimburse Sun for the amortized commission Sun shall pay the Brokers,
per paragraph 4 below. Remedy shall pay to Sun the Total Rent per Month, payable
in advance, on the first day of each month of the Second Extended Term. During
the term of this License, as extended, Sun shall not modify or terminate the
Lease without the prior written consent of Licensee, which shall not be
unreasonably withheld. In the event Sun is in default under the Lease, Licensee
shall have the right, but not the obligation, to cure Sun's default and to keep
the Lease in full force and effect. Sun shall be liable to
<PAGE>   2
Licensee for the actual and reasonable direct costs and expenses incurred by
Licensee in curing Sun's default.

     3.   Upon expiration of the term of this License, Licensee shall return the
Premises to Sun, broom clean, and in good condition and repair, normal wear and
tear excepted. Licensee shall also undertake and complete any restoration of the
Premises required by the Lessor pursuant to the Lease to the extent such
restoration is required as a result of alterations made by Remedy to the
Premises or as a result of the alterations made by Sun per the drawings dated
March 14, 1989. Except as specified above, Remedy shall not be responsible for
any restoration. Remedy shall be responsible for any repair or maintenance
obligations for the Premises as required by the Lease at the expiration or
earlier termination of the Secured Extended Term. In the event that Lessor
requires that the Premises be restored, Licensee may participate in negotiations
with Sun and Lessor in an effort to minimize such restoration, and Sun shall
cooperate with Licensee in that regard.

     4.   Sun shall pay Cushman Realty a commission of $2.00 per RSF ($101,952),
and Sun shall pay Jones Lang LaSalle a commission of $1.35 per RSF ($68,817.60),
effective upon full execution of this Third Amendment to License Agreement, but
no earlier than July 1, 1999.

     5.   Within fifteen (15) days of the full execution of this Third
Amendment, Remedy shall pay to Sun the sum of $104,577.85 as security for
performance of Remedy's obligations hereunder. Such sum shall be returned to
Remedy within fifteen (15) days after the expiration or early termination of
this License Agreement.

     6.   Remedy shall have a right to assign this License in the event of a
sale of substantially all of the assets of Remedy, providing that the new
entity has a net worth equal to or greater than Remedy as of the date of this
License Agreement.

     7.   Except as set forth in this Third Amendment to License Agreement, all
of the terms and provisions of the License Agreement shall apply and shall
remain unmodified and in full force and effect.

     IN WITNESS WHEREOF, this Third Amendment to License Agreement has been
executed as of the day and year first above written.

"SUN"                                   "LICENSEE"

SUN MICROSYSTEMS, INC.                  REMEDY CORPORATION
a Delaware corporation                  a Delaware corporation

By: /s/ Carey Wong                      By: /s/ Ronald J. Fior
   ---------------------------------       ---------------------------------

Its: Director, REW Western Region       Its: VP/CFO
    --------------------------------        --------------------------------

Date:    8/30/99                        Date:   July 30, 1999
     -------------------------------         -------------------------------

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