How to fix the Oracle error PRCD-01243: Failed to start instance {0} of database {1} because an instance having same name was already running on node {2}?

In this post, you’ll learn more about the Oracle ErrorPRCD-01243: Failed to start instance {0} of database {1} because an instance having same name was already running on node {2} with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRCD-01243: Failed to start instance {0} of database {1} because an instance having same name was already running on node {2}

Reason for the Error PRCD-01243: Failed to start instance {0} of database {1} because an instance having same name was already running on node {2}

Cause: An attempt to start an instance with the given name was rejected because another instance with same name was already running on another node.

How to fix the Error PRCD-01243: Failed to start instance {0} of database {1} because an instance having same name was already running on node {2} ?

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

Action: Either supply a different instance name or stop the running instance with the same name and then retry.