ORA-16139: media recovery required

Dear All,

During switch physical standby database to primary database i received following error message on (physical standby database)

SQL> ALTER DATABASE COMMIT TO SWITCHOVER TO PRIMARY;

ALTER DATABASE COMMIT TO SWITCHOVER TO PRIMARY

*

ERROR at line 1:

ORA-16139: media recovery required

Solution for the above error message is following

SQL> SELECT SWITCHOVER_STATUS FROM V$DATABASE;

SWITCHOVER_STATUS

--------------------

SWITCHOVER LATENT

SQL> RECOVER MANAGED STANDBY DATABASE FINISH;

Media recovery complete.

SQL> ALTER DATABASE COMMIT TO SWITCHOVER TO PRIMARY;

Database altered.

Reference: Metalink Note:[ID 219554.1]