Event Source: W32Time
Event Category: None
Event ID: 14
Time: 10:21:24 AM
The time provider NtpClient was unable to find a domain controller to use as a time source. NtpClient will try again in 15 minutes.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
For Server need configure the Time Source, sample command