How to fix the Oracle error ORA-16773: cannot start Redo Apply?

In this post, you’ll learn more about the Oracle ErrorORA-16773: cannot start Redo Apply with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16773: cannot start Redo Apply

Reason for the Error ORA-16773: cannot start Redo Apply

The Data Guard broker failed to start Redo Apply.

How to fix the Error ORA-16773: cannot start Redo Apply ?

You can fix this error in Oracle by following the below steps

Check the Data Guard broker log and Oracle alert log for more details. If the database is already open, the broker will not start Redo Apply if the Active Data Guard option is not enabled.