How to fix the Oracle error CRS-01661: The CSS daemon is not responding. Reboot will occur in number milliseconds; Details at string in string?

In this post, you’ll learn more about the Oracle ErrorCRS-01661: The CSS daemon is not responding. Reboot will occur in number milliseconds; Details at string in string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-01661: The CSS daemon is not responding. Reboot will occur in number milliseconds; Details at string in string

Reason for the Error CRS-01661: The CSS daemon is not responding. Reboot will occur in number milliseconds; Details at string in string

Cause: The CSS daemon is failing to respond.

How to fix the Error CRS-01661: The CSS daemon is not responding. Reboot will occur in number milliseconds; Details at string in string ?

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

Action: Collect the Clusterware alert log and the CSSD log of this node as well as the CSS daemon logs of all other nodes in the cluster and contact Oracle Support Services.