How to fix the Oracle error ORA-16574: switchover disallowed when required databases are shut down?

In this post, you’ll learn more about the Oracle ErrorORA-16574: switchover disallowed when required databases are shut down with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16574: switchover disallowed when required databases are shut down

Reason for the Error ORA-16574: switchover disallowed when required databases are shut down

Switchover failed because either the primary database or the designated standby database were shut down.

How to fix the Error ORA-16574: switchover disallowed when required databases are shut down ?

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

Ensure that the primary and standby databases are running and that primary database is shipping redo data to the designated standby database. Also ensure that that the designated standby database is applying the redo data received from the primary database.