How to fix the Oracle error ORA-16656: Data Guard broker detected role change?

In this post, you’ll learn more about the Oracle ErrorORA-16656: Data Guard broker detected role change with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16656: Data Guard broker detected role change

Reason for the Error ORA-16656: Data Guard broker detected role change

The Data Guard broker detected a role during database startup or health check.

How to fix the Error ORA-16656: Data Guard broker detected role change ?

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

Additional information about this failure is recorded in the Data Guard broker log files, one for the primary database and one for each standby database in the Data Guard configuration. This information is helpful in determining how best to proceed from this failure.

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