Cannot Generate SSPI Context

  • I am receiving the error - Cannot Generate SSPI Context - when attempting to access a SQL2005 instance using Windows Authentication from my desktop. I can log in with SQL Authentication.

    There are 3 instances on this server and I can connect to the other 2 fine. All 3 instances are set to mixed authentication.

    Instance 1 is SQL Server 9.0.4035 - Able to use Windows Authentication

    Instance 2 is SQL Server 9.0.3068 - Able to use Windows Authentication

    Instance 3 is SQL Server 9.0.3068 - Not able to use Windows Authentication

    I read through KB811889.

    It does not seem that SPN would be a problem since the other 2 instances work.

    If I am on the logged into the server Windows Authentication works fine.

    All help is appreciated.

  • I have run into this in the past as well (multiple instances on a server but not all produce this error). The SPN Fix described in that KB article worked for us.

    I would start with that and see if it fixes your errors.

    Jason...AKA CirqueDeSQLeil
    _______________________________________________
    I have given a name to my pain...MCM SQL Server, MVP
    SQL RNNR
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  • Checking off the Write servicePrinicpalName box and restarting the SQL Services on the Instance worked. Thanks for your help.

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