How to fix the Oracle error CRS-00453: CRS configuration error, unable to find Instance Information in Oracle Cluster Registry.?

In this post, you’ll learn more about the Oracle ErrorCRS-00453: CRS configuration error, unable to find Instance Information in Oracle Cluster Registry. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-00453: CRS configuration error, unable to find Instance Information in Oracle Cluster Registry.

Reason for the Error CRS-00453: CRS configuration error, unable to find Instance Information in Oracle Cluster Registry.

Cause: The Oracle Cluster Registry key which contains the Instance’s information is not initialized.

How to fix the Error CRS-00453: CRS configuration error, unable to find Instance Information in Oracle Cluster Registry. ?

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

Action: Check the OCR configuration using the ocrcheck utility and resolve any issues it reports. If the problem persists, contact Oracle Support Services.