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Time synchronization problems

Experience Portal uses chronyd daemon to control and synchronize the clocks when the EPM and MPP software is running on different servers. The dedicated MPP servers and the optional auxiliary EPM server point to the primary EPM server as the reference clock.

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If the time difference is too large, chronyd cannot synchronize the client and server clocks immediately. A workaround is to manually synchronize the clocks before starting chronyd. After chronyd starts, it adjusts the clients clock with the server timings slowly. The slow process is by design so that confusion with other processes that are running and depends on the clock can be avoided.

To troubleshoot synchronization errors, perform the following procedures in the order given, advancing to the next procedure only if the problem continues to persist.