Document:

<PAGE>

                                                                    Exhibit 10.8

                               AMENDMENT NO. 1 TO

                                     WARRANT

     THIS AMENDMENT NO. 1 TO WARRANT (this "Amendment"), dated as of February
13, 2007, by and between NaviSite, Inc., a Delaware corporation (the
"Company"'), and SPCP Group III LLC, a Delaware limited liability corporation
(the "Holder"'), amends that certain Warrant (the "Warrant") issued by the
Company to the Holder, dated as of April 11,2006.

     The Company and the Holder hereby agree to amend the Warrant as follows:

     1. Amendment to Section 4.16. Section 4.16 of the Warrant is hereby amended
     and restated in its entirety as follows:

               4.16. Exceptions. Notwithstanding anything to the contrary,
     Section 4 shall not apply to (i) options to purchase shares of Common Stock
     granted to employees or directors of the Company or a Subsidiary pursuant
     to the NaviSite Amended and Restated 2003 Stock Incentive Plan, as amended
     (attached as Exhibit B to the Purchase Agreement) (the "Stock Incentive
     Plan") in the ordinary course of business; provided that if such options
     are granted after April 11, 2006 with an exercise price less than the Fair
     Market Value at the time of the grant, then Section 4 shall apply with
     respect to such options; and provided that the provisions contained in this
     Section 4 shall apply with respect to options granted pursuant to the Stock
     Incentive Plan in excess of 2,500,000 shares per fiscal year of the
     Company, which number shall include options granted to Mr. Arthur Becker or
     his Affiliates, (ii) the shares of Common Stock issuable upon the exercise
     of such options, (iii) the exercise of the warrant issued to Silicon Valley
     Bank (or an Affiliate) prior to the date hereof, or (iv) the issuance of
     additional warrants to Silver Point (or an Affiliate) on February 13, 2007,
     or the exercise thereof. Notwithstanding the foregoing, the applicable
     adjustment provisions contained in this Section 4 shall apply with respect
     to options to purchase snares of Common Stock that are granted to Mr.
     Arthur Becker or his Affiliates after April 11, 2006 in excess of 250,000
     shares per fiscal year of the Company.

     2. Effectiveness.

          (a) Except as specifically provided herein, the Warrant is in all
     respects unaffected by this Amendment. All of the terms, conditions and
     provisions of the Warrant as hereby amended shall be and remain in full
     force and effect.

          (b) This Amendment shall take effect immediately.

     3. Governing Law. IN ALL RESPECTS, INCLUDING ALL MATTERS OF CONSTRUCTION,
VALIDITY AND PERFORMANCE, THIS AMENDMENT SHALL BE GOVERNED BY, AND CONSTRUED AND
ENFORCED IN ACCORDANCE WITH,

<PAGE>

THE LAWS OF THE STATE OF DELAWARE WITHOUT REGARD TO CONFLICT OF LAW PRINCIPLES
AND ANY APPLICABLE LAWS OF THE UNITED STATES OF AMERICA.

     4. Counterparts. This Amendment may be executed in one or more
counterparts, each of which shall be deemed to be an original by the parties
executing such counterpart, but all of which shall be considered one and the
same instrument.

     5. This Amendment shall be attached to the Warrant described above and is
hereby made a part thereof.

           [REMAINDER OF THIS PAGE HAS BEEN LEFT INTENTIONALLY BLANK]

                                        2

<PAGE>

     IN WITNESS WHEREOF the undersigned have executed and delivered this
Amendment as of the date first above written.

                                        NAVISITE, INC.

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

ACCEPTED AND AGREED TO:

SPCP GROUP III LLC

By:
    ---------------------------------
Name:
      -------------------------------
Title:
       ------------------------------

                                                      Amendment No. 1 to Warrant
                                                              SPCP Group III LLC

<PAGE>

     IN WITNESS WHEREOF the undersigned have executed and delivered this
Amendment as of the date first above written.

                                        NAVISITE, INC.

                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

ACCEPTED AND AGREED TO:

SPCP GROUP III LLC

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

                                                      Amendment No. 1 to Warrant
                                                              SPCP Group 111 LLC
<PAGE>

                               AMENDMENT NO. 1 TO

                                     WARRANT

     THIS AMENDMENT NO. 1 TO WARRANT (this "Amendment"), dated as of February
13, 2007, by and between NaviSite, Inc., a Delaware corporation (the "Company"),
and SPCP Group, LLC, a Delaware limited liability corporation (the "Holder"),
amends that certain Warrant (the "Warrant") issued by the Company to the Holder,
dated as of April 11,2006.

     The Company and the Holder hereby agree to amend the Warrant as follows:

     1. Amendment to Section 4.16. Section 4.16 of the Warrant is hereby amended
and restated in its entirety as follows:

               4.16. Exceptions. Notwithstanding anything to the contrary,
     Section 4 shall not apply to (i) options to purchase shares of Common Stock
     granted to employees or directors of the Company or a Subsidiary pursuant
     to the NaviSite Amended and Restated 2003 Stock Incentive Plan, as amended
     (attached as Exhibit B to the Purchase Agreement) (the "Stock Incentive
     Plan") in the ordinary course of business; provided that if such options
     are granted after April 11, 2006 with an exercise price less than the Fair
     Market Value at the time of the grant, then Section 4 shall apply with
     respect to such options; and provided that the provisions contained in this
     Section 4 shall apply with respect to options granted pursuant to the Stock
     Incentive Plan in excess of 2,500,000 shares per fiscal year of the
     Company, which number shall include options granted to Mr. Arthur Becker or
     his Affiliates, (ii) the shares of Common Stock issuable upon the exercise
     of such options, (iii) the exercise of the warrant issued to Silicon Valley
     Bank (or an Affiliate) prior to the date hereof, or (iv) the issuance of
     additional warrants to Silver Point (or an Affiliate) on February 13, 2007,
     or the exercise thereof. Notwithstanding the foregoing, the applicable
     adjustment provisions contained in this Section 4 shall apply with respect
     to options to purchase snares of Common Stock that are granted to Mr.
     Arthur Becker or his Affiliates after April 11, 2006 in excess of 250,000
     shares per fiscal year of the Company.

     2. Effectiveness.

          (a) Except as specifically provided herein, the Warrant is in all
     respects unaffected by this Amendment. All of the terms, conditions and
     provisions of the Warrant as hereby amended shall be and remain in full
     force and effect.

          (b) This Amendment shall take effect immediately.

     3. Governing Law. IN ALL RESPECTS, INCLUDING ALL MATTERS OF CONSTRUCTION,
VALIDITY AND PERFORMANCE, THIS AMENDMENT SHALL BE GOVERNED BY, AND CONSTRUED AND
ENFORCED IN ACCORDANCE WITH,

<PAGE>

THE LAWS OF THE STATE OF DELAWARE WITHOUT REGARD TO CONFLICT OF LAW PRINCIPLES
AND ANY APPLICABLE LAWS OF THE UNITED STATES OF AMERICA.

     4. Counterparts. This Amendment may be executed in one or more
counterparts, each of which shall be deemed to be an original by the parties
executing such counterpart, but all of which shall be considered one and the
same instrument.

     5. This Amendment shall be attached to the Warrant described above and is
hereby made a part thereof.

           [REMAINDER OF THIS PAGE HAS BEEN LEFT INTENTIONALLY BLANK]

                                       2

<PAGE>

     IN WITNESS WHEREOF the undersigned have executed and delivered this
Amendment as of the date first above written.

                                        NAVISITE, INC.

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

ACCEPTED AND AGREED TO:

SPCP GROUP, LLC

By:
    ---------------------------------
Name:
      -------------------------------
Title:
       ------------------------------

                                                      Amendment No. 1 to Warrant
                                                                 SPCP Group, LLC

<PAGE>

     IN WITNESS WHEREOF the undersigned have executed and delivered this
Amendment as of the date first above written.

                                        NAVISITE, INC.

                                        By:
                                            ------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

ACCEPTED AND AGREED TO:

SPCP GROUP, LLC

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

                                                      Amendment No. 1 to Warrant
                                                                 SPCP Group, LLC<PAGE>

                                                                    Exhibit 10.9

                             WAIVER AND EXTENSION TO
                          CREDIT AND GUARANTY AGREEMENT

          THIS WAIVER AND EXTENSION TO CREDIT AND GUARANTY AGREEMENT, dated as
of November 28, 2006 (this "WAIVER"), 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 and Amendment No. 2 and Waiver to Credit and
Guaranty Agreement dated as of September 26, 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 Waiver); and

          WHEREAS, the Company has requested that the Lenders waive compliance
by the Company with Section 6.8(a) of the Credit Agreement (Fixed Charge
Coverage Ratio) for the Company's Fiscal Quarter ending October 31,2006;

          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 Waiver.

          Upon the effectiveness of this Waiver in accordance with Section 3
hereof, each of the Lenders party hereto hereby waives compliance by the Company
with the requirements of Section 6.8(a) of the Credit Agreement (Fixed Charge
Coverage Ratio) for the Company's Fiscal Quarter ending October 31, 2006, and
hereby further waives any Default or Event of Default that may have arisen prior
to the date hereof under Section 8(c) of the Credit Agreement in connection with
such non-compliance.

     Section 2 Extensions.

          Upon the effectiveness of this Waiver in accordance with Section 3
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 I hereto.

     Section 3 Conditions to Effectiveness of this Waiver.

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

<PAGE>

               (a) the Administrative Agent shall have received counterparts to
     this Waiver 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 Waiver;

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

               (d) after giving effect to this Waiver, 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.

     Section 5 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 is Waiver, (c) the execution, delivery and performance by it of this
Waiver (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 Waiver 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 6 Miscellaneous.

               (a) The waiver set forth herein is 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 Waiver shall be
     construed in connection with and as part of the
<PAGE>

     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.

               (b) Nothing contained in this Waiver shall extinguish the
     obligations for the payment of money outstanding under the Credit Agreement
     or discharge or release the Liens created under or affect the priority of
     any Collateral Document.

               (c) This Waiver 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 Waiver by telefacsimile or a .PDF by electronic mail shall be
     equally as effective as delivery of an original executed counterpart of
     this Waiver. Any party delivering an executed counterpart of this Waiver by
     telefacsimile also shall deliver an original executed counterpart of this
     Waiver but the failure to deliver an original executed counterpart shall
     not affect the validity, enforceability, and binding effect of this Waiver.

               (d) Any provision of this Waiver 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.

               (e) THIS WAIVER 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.

               (f) Each of the parties hereto agrees that no party hereto shall
     be deemed to be the drafter of this Waiver.

               (g) EACH GUARANTOR HEREBY CONSENTS TO THIS WAIVER AND HEREBY
     CONFIRMS AND AGREES THAT (A) NOTWITHSTANDING THE EFFECTIVENESS OF THIS
     WAIVER, 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

<PAGE>

     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 Waiver to be
executed by their respective officers thereunto duly authorized, as of the date
first above written.

                                        Company:

                                        NAVISITE, INC.

                                        By: /s/ John J. Gavin Jr.
                                            ------------------------------------
                                        Name: John J. Gavin Jr.
                                        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/ John J. Gavin Jr.
                                            ------------------------------------
                                        Name: John J. Gavin Jr.
                                        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>

                                ANNEX I TO WAIVER

                Extension regarding certain Post-Closing Matters

As to existing lien filing related matters:

          (i) Company will provide to Administrative Agent on or before December
8,2006, 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; and

          (ii) on or before December 8, 2006, the Company will dissolve siteRock
Corporation or, in the alternative, cause all UCC-1 filings made against such
company as of the Closing Date to be terminated.

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