ORA-16217: prepare to switchover has not

admin

ORA-16217: prepare to switchover has not completed
Cause: An ALTER DATABASEPREPARE TO SWITCHOVER command was
issued, but the prepare activity did not complete.
Action: Verify that thestandby was prepared properly. You may cancel the
prepare and perform an unprepared switchover which requires a database link to
complete. Or reissue the prepare operation on the standby.