How to fix the Oracle error CRS-01117: Error upgrading the Oracle Clusterware.?

In this post, you’ll learn more about the Oracle ErrorCRS-01117: Error upgrading the Oracle Clusterware. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-01117: Error upgrading the Oracle Clusterware.

Reason for the Error CRS-01117: Error upgrading the Oracle Clusterware.

Cause: An attempt was made to change the Oracle Clusterware operating version before all nodes were upgraded.

How to fix the Error CRS-01117: Error upgrading the Oracle Clusterware. ?

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

Action: Run root.sh script on all nodes in the cluster. If the problem persists, contact Oracle Support Services.