How to fix the Oracle error PRKU-01025: You must delete or downgrade Clusterware-managed Oracle databases and de-install Clusterware-managed Oracle homes before attempting to remove the Oracle Clusterware home.?

In this post, you’ll learn more about the Oracle ErrorPRKU-01025: You must delete or downgrade Clusterware-managed Oracle databases and de-install Clusterware-managed Oracle homes before attempting to remove the Oracle Clusterware home. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRKU-01025: You must delete or downgrade Clusterware-managed Oracle databases and de-install Clusterware-managed Oracle homes before attempting to remove the Oracle Clusterware home.

Reason for the Error PRKU-01025: You must delete or downgrade Clusterware-managed Oracle databases and de-install Clusterware-managed Oracle homes before attempting to remove the Oracle Clusterware home.

Cause: An attempt was made to deconfigure the Oracle Clusterware when one or more Clusterware-managed Oracle databases still exist.

How to fix the Error PRKU-01025: You must delete or downgrade Clusterware-managed Oracle databases and de-install Clusterware-managed Oracle homes before attempting to remove the Oracle Clusterware home. ?

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

Action: Run the Oracle Clusterware deconfiguration tool from Clusterware-managed Oracle homes to delete, deconfigure or downgrade Oracle database and then run the same tool from Oracle Clusterware home to deconfigure Clusterware.