<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-07-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001084750</issuerCik>
        <issuerName>NAVISITE INC</issuerName>
        <issuerTradingSymbol>NAVI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001251902</rptOwnerCik>
            <rptOwnerName>ATLANTIC INVESTORS LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>20 EAST 66TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10021</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>8% Promissory Note</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.81</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-07-10</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionTotalValue>
                    <value>3754244</value>
                </transactionTotalValue>
                <transactionPricePerShare>
                    <value>3754244</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-07-10</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-07-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1336030</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <valueOwnedFollowingTransaction>
                    <value>3754244</value>
                </valueOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The 8% Promissory Note (the &quot;Note&quot;) including principal and accrued interest on the Note became convertible on July 10, 2006
 as a result of the nonpayment of the Note by such date. The amount of the derivative security reported herein represents the
 principal and accrued interest as of December 17, 2006.  The number of underlying shares of Common Stock into which the Note
 may be converted will increase as interest accrues daily under the terms of the Note.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Atlantic Investors LLC, By: Madison Technology LLC, Mng Mbr, By: /s/ Arthur Becker, Mng Dir</signatureName>
        <signatureDate>2006-12-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
