How to fix the Oracle error CLSS-00003: unable to determine cluster name. type string?

In this post, you’ll learn more about the Oracle ErrorCLSS-00003: unable to determine cluster name. type string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLSS-00003: unable to determine cluster name. type string

Reason for the Error CLSS-00003: unable to determine cluster name. type string

Cause: Name of the cluster cannot be determined from configuration.

How to fix the Error CLSS-00003: unable to determine cluster name. type string ?

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

Action: Verify that the clusterware installation was successful and that the OCR registry is available.