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  1. Crowd Data Center
  2. CWD-2783

Detect Active Directory server to handle usnChanged attribute correctly


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      If Crowd is connected to an Active Directory cluster it does not properly support incremental synchronization since the usnChanged attribute value is not replicated between AD servers:

      2017-08-25 00:28:51,783 ERROR [Caesium-1-3] [atlassian.crowd.directory.DbCachingDirectoryPoller] pollChanges Error occurred while refreshing the cache for directory [ 21757953 ].
      com.atlassian.crowd.exception.OperationFailedException: Error looking up attributes for highestCommittedUSN


      Crowd should be enhanced to know which server it is connected to and:

      • Perform an incremental synchronization if it connects to the same server a second time concurrently
      • Perform a full synchronization if it connects to a different server

      See Users are Unable to Log In Due to 'Error looking up attributes for highestCommittedUSN'

            ppetrowski Patryk
            2c9b6f4480b3 Chad Barnes
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