How to fix the Oracle error PRVF-09666: CTSS is in Observer state. Switching over to clock synchronization checks using NTP?

In this post, you’ll learn more about the Oracle ErrorPRVF-09666: CTSS is in Observer state. Switching over to clock synchronization checks using NTP with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRVF-09666: CTSS is in Observer state. Switching over to clock synchronization checks using NTP

Reason for the Error PRVF-09666: CTSS is in Observer state. Switching over to clock synchronization checks using NTP

Cause: All of the nodes queried for CTSS state indicate they are in Observer state. In the Observer state, CTSS is not performing active clock synchronization adjustments, but letting the underlying NTP handle this action.

How to fix the Error PRVF-09666: CTSS is in Observer state. Switching over to clock synchronization checks using NTP ?

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

Action: None. This is a normal state.