How to fix the Oracle error ORA-16516: current state is invalid for the attempted operation?

In this post, you’ll learn more about the Oracle ErrorORA-16516: current state is invalid for the attempted operation with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16516: current state is invalid for the attempted operation

Reason for the Error ORA-16516: current state is invalid for the attempted operation

The broker may have returned this error for either switchover operations or for database state change operations. If this error was returned for a switchover operation, the broker determined that either:

– The databases changing roles are shut down.

– The primary database is not shipping redo data.

– The standby database that will become the primary database is not applying redo data. If this error was returned for database state change operations, the database state specified was invalid.

How to fix the Error ORA-16516: current state is invalid for the attempted operation ?

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

If this error is returned when attempting a switchover operation, make sure that:

– The databases changing roles are started.

– The primary database is shipping redo data.

– The standby database is applying redo data. If this error is returned when attempting a database state change operation, make sure a valid database state is specified.