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Warning: VKTM detected a forward time drift followed by Oracle 12.2 crash

edited Apr 22, 2020 9:48AM in Database Administration (MOSC) 6 commentsAnswered

On April 19th we had a problem for the fourth time that the Oracle service on a Windows server terminated suddenly. The Windows event log says: “ID 7034: The OracleServiceDWH1TCDB service terminated unexpectedly. It has done this … time(s).” Fortunately, it is only a test server so there is no impact on our business processes.

In all cases the last entry in the alert log before the crash was "Warning: VKTM detected a forward time drift."
A second common feature of the crashes is that they always happened a few minutes before the half hour. The exact timestamps are as follows:

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