How to fix the Oracle error ORA-16558: database specified for switchover is not a standby database?

In this post, you’ll learn more about the Oracle ErrorORA-16558: database specified for switchover is not a standby database with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16558: database specified for switchover is not a standby database

Reason for the Error ORA-16558: database specified for switchover is not a standby database

An attempt was made to switchover to a database that was not a standby database.

How to fix the Error ORA-16558: database specified for switchover is not a standby database ?

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

Locate an enabled standby database and select that database as the target of the switchover.