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Troubleshooting Strict Authentication Issues

If the Historian Server rejects valid collector or client user credentials while connecting, consider the following condition:

Time Sync between the Server Time and Domain Controller Time

If a client or collector is attempting to connect to the Historian server with Strict Authentication enabled on a Kerberos configuration, ensure that the Server time and Domain Controller time match with each other. Otherwise, the server rejects valid credentials and does not allow the connection.