How to fix the Oracle error PRKC-01021: Problem in the clusterware?

In this post, you’ll learn more about the Oracle ErrorPRKC-01021: Problem in the clusterware with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRKC-01021: Problem in the clusterware

Reason for the Error PRKC-01021: Problem in the clusterware

Cause: The operating system dependent clusterware could not be contacted. This could occur because the operating system dependent clusterware was not functioning properly.

How to fix the Error PRKC-01021: Problem in the clusterware ?

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

Action: Check the state of the operating system dependent clusterware.