How to fix the Oracle error PRKU-01039: Can’t deconfigure Oracle Restart before removing or downgrading managed Oracle databases.?

In this post, you’ll learn more about the Oracle ErrorPRKU-01039: Can’t deconfigure Oracle Restart before removing or downgrading managed Oracle databases. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRKU-01039: Can’t deconfigure Oracle Restart before removing or downgrading managed Oracle databases.

Reason for the Error PRKU-01039: Can’t deconfigure Oracle Restart before removing or downgrading managed Oracle databases.

Cause: A request to deconfigure Oracle Restart found one or more managed Oracle database homes, so the request was rejected.

How to fix the Error PRKU-01039: Can’t deconfigure Oracle Restart before removing or downgrading managed Oracle databases. ?

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

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