How to fix the Oracle error ORA-16807: unable to change database protection mode?

In this post, you’ll learn more about the Oracle ErrorORA-16807: unable to change database protection mode with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16807: unable to change database protection mode

Reason for the Error ORA-16807: unable to change database protection mode

An attempt to issue the ALTER DATABASE SET STANDBY TO MAXIMIZE {PROTECTION | AVAILABILITY | PERFORMANCE} failed.

How to fix the Error ORA-16807: unable to change database protection mode ?

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

Check the Data Guard broker log and the Oracle log for more information.