How to fix the Oracle error PRCD-01023: An instance has already been added to node {0} for database {1}?

In this post, you’ll learn more about the Oracle ErrorPRCD-01023: An instance has already been added to node {0} for database {1} with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRCD-01023: An instance has already been added to node {0} for database {1}

Reason for the Error PRCD-01023: An instance has already been added to node {0} for database {1}

Cause: Unable to add an instance to the database on the specified node because another instance has already been added to the node.

How to fix the Error PRCD-01023: An instance has already been added to node {0} for database {1} ?

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

Action: Use ‘srvctl modify instance’ command to change the instance name on the specified node.