How to fix the Oracle error CRS-08018: warning: missing cluster identity data for reboot advisory message validation?

In this post, you’ll learn more about the Oracle ErrorCRS-08018: warning: missing cluster identity data for reboot advisory message validation with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-08018: warning: missing cluster identity data for reboot advisory message validation

Reason for the Error CRS-08018: warning: missing cluster identity data for reboot advisory message validation

Cause: During Oracle Clusterware start up, an attempt to obtain the identity of the cluster failed. Processing continues normally, but network reboot advisories from nodes in other clusters may be reported in this cluster’s alert log.

How to fix the Error CRS-08018: warning: missing cluster identity data for reboot advisory message validation ?

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

Action: Report this error to Oracle Support Services.