Monthly Archives: June 2019

ORA-16854: apply lag could not be determined in DGMGRL (Oracle DataGuard)

Issue: Observed the below error in DGMGRL, when checked the configuration status (show configuration verbose); but the primary and standby databases are intact with no delay and in sync. ORA-16854: apply lag could not be determined   DGMGRL> Show configuration … Continue reading

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