How to fix the Oracle error ORA-16431: cannot expand control file?

In this post, you’ll learn more about the Oracle ErrorORA-16431: cannot expand control file with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16431: cannot expand control file

Reason for the Error ORA-16431: cannot expand control file

Additional redo log threads were added on the primary database after the standby control file was created.

How to fix the Error ORA-16431: cannot expand control file ?

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

Shut down the standby database and replace the control file with a new standby control file from the primary database or change the COMPATIBLE parameter to 10.2.0 or above and restart the standby database.