How to fix the Oracle error PRCD-01214: Administrator-managed RAC database {0} has more than one instance?

In this post, you’ll learn more about the Oracle ErrorPRCD-01214: Administrator-managed RAC database {0} has more than one instance with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRCD-01214: Administrator-managed RAC database {0} has more than one instance

Reason for the Error PRCD-01214: Administrator-managed RAC database {0} has more than one instance

Cause: Failed to convert RAC database to RAC One Node database because there was more than one instance.

How to fix the Error PRCD-01214: Administrator-managed RAC database {0} has more than one instance ?

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

Action: Use ‘srvct remove instance’ command to remove all but one instance and then run ‘srvctl convert database -c RACONENODE’.