ORA-16636: fast-start failover target standby in error state, cannot stop obs...

admin

ORA-16636: fast-startfailover target standby in error state, cannot stop observer
Cause: A STOP OBSERVER operation could not be completed whenfast-start
failover was enabled because the target standby database could not participatein
the STOP OBSERVER operation.
Action: Additionalinformation about this failure is recorded in the Data Guard
broker log file for the primary database. This information helps to identifythe
reason why the target standby database was unable to participate in the STOP
OBSERVER operation. If the problem can be corrected by the information in the
broker log file, retry the operation. Alternatively, fast-start failover may beforcibly
disabled by connecting to the primary database and issuing the DISABLE FAST_
START FAILOVER FORCE command from the DGMGRL CLI. Once fast-start
failover has been forcibly disabled, the observer can be stopped regardless ofthe
current state of the target standby database.