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Report Server 2012 Issues configuring Kerberos

  • July 28, 2015 at 2:27 am

    #1815309

    Hi

    Did you configure properly the RSReportServer.config file to use the Kerberos auth ?

    This is done on the EnableAuthPersistence = True

    <Authentication>

    <AuthenticationTypes>

    <RSWindowsNegotiate/>

    </AuthenticationTypes>

    <EnableAuthPersistence>true</EnableAuthPersistence>

    </Authentication>

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  • July 28, 2015 at 6:48 am

    #1815380

    Yes, that is configured correctly in each of the instances. We can not seem to register the SPNs for multiple instances. The First one went fine but when we try the next one, it says Duplicate SPNs.

    We tried specifying a different port number in the URL for each environment, and then setting the SPN on the report Server Service account, using the specified port number and we may have the syntax wrong, even though we were using the setspn instructions from Microsoft.

    Example:

    Setspn -s http/MyReportServer.MyDomain.com:80 MyDomainUser

    Setspn -s http/MyReportServer.MyDomain.com:8080 MyDomainUser

    Setspn -s http/MyReportServer.MyDomain.com:8081 MyDomainUser

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