How to fix the Oracle error ORA-16504: the Data Guard configuration already exists?

In this post, you’ll learn more about the Oracle ErrorORA-16504: the Data Guard configuration already exists with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16504: the Data Guard configuration already exists

Reason for the Error ORA-16504: the Data Guard configuration already exists

A request to create a Data Guard configuration was made while connected to a database that is part of an existing configuration.

How to fix the Error ORA-16504: the Data Guard configuration already exists ?

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

To create a new configuration, the existing configuration must be deleted.