ORA-03173: Standby may not be synced with primary

ORA-03173: Standby may not be synced with primary


Cause:


ALTER SESSION SYNC WITH PRIMARY did not work because either the standby was not synchronous or in a data-loss mode with regard to the primary, or the standby recovery was terminated.



Action:


Make the standby synchronous and no-data-loss with regard to the primary. Make the standby recovery active.