How to fix the Oracle error CRS-01111: Error upgrading the Oracle Clusterware. Details [string].?

In this post, you’ll learn more about the Oracle ErrorCRS-01111: Error upgrading the Oracle Clusterware. Details [string]. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-01111: Error upgrading the Oracle Clusterware. Details [string].

Reason for the Error CRS-01111: Error upgrading the Oracle Clusterware. Details [string].

Cause: There was an internal error upgrading the Oracle Clusterware.

How to fix the Error CRS-01111: Error upgrading the Oracle Clusterware. Details [string]. ?

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

Action: Verify using the ‘crsctl check crs’ command that the CRS Service running. Retry the ‘crsctl set crs activeversion’ command. If the problem persists, contact Oracle Support Services.