Syncing Time on Server 2012 R2

I'm a little skeptical of doing the unregister/register bit. I recall doing that on one of my servers last week, the DC one, which is a guest of this server, and it successfully unregistered but wouldn't register again. I don't recall how I corrected that but it made me suspicious of doing it again. Another other ideas?

You can try to debug w32tm
in cmd:
w32tm /debug /enable /file:C:\windows\temp\w32time.log

try to restart the service and watch the log

By the way: Did you turn off Time Sync in the Integration Services for VM? (that's not the core of your problem, but when you use own NTP this service must be disabled)

Windows Time is not designed to be an exact time.. 45 seconds off is well within the allowable difference. Windows Time is only used for kerberos time stamps which default to within 5 minutes to be determined as synchronous
https://technet.microsoft.com/en-us/library/cc976357.aspx

If your HYPER-V host is an AD joined member server, it would take the time source as the PDC role holding server. If its a non-AD joined, then you can set it up the time source as an external source or from its local Cmos.

The error :- Windows could not start the Windows Time service on Local Computer.
Error 1053: The service did not respond to the start or control request in a timely fashion

.

... is because the w32tm.dll would be unregistered (you may not see the "Windows Time" service on the server, are you?) and you may need to to re-register the time service by running "w32tm /register" command. If that fails, then you can try to re-register the "w32time.dll" (regsvr32 C:\Windows\System32\w32time.dll) and then run "net start w32time".

Once you set the NTP configuration correctly (to pick an external time source as NTP server) on your PDC role holding server, all the domain joined computers would pick the time automatically from the PDC.


If your NTP configuration having any issues- Run the commands to verify (w32tm /query /configuration and w32tm /query /status), please share the output and happy to assist.

Thanks,

Here's our setup, right or wrong, and most likely wrong. Our main domain controller is the PDC role holding server, and it's a Hyper-V guest machine. It has time synchronization turned on in the host's Integration Services for that guest, as do all of the other guest servers. What do you think is best at this point?

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