It looks like the problem I’m running into is when I run “w32tm /resync 
/rediscover”. It gives me the error “The computer did not resync because no 
time data was available”, even after I follow the standard documentation to set 
the NTP server and to restart services. Event log shows it’s trying to connect 
to pool.ntp.org but it doesn’t receive a response.

When I do this from my local PC it works. Perhaps there is something blocking 
it at the client site? Question is what….

Any thoughts?

From: [email protected] [mailto:[email protected]] On 
Behalf Of Michael B. Smith
Sent: Thursday, February 2, 2017 3:08 PM
To: [email protected]
Subject: [NTSysADM] RE: can't set NTP time source on PDC

This is my old, but still valid, blog post on this topic:

http://theessentialexchange.com/blogs/michael/archive/2010/01/29/a-brief-history-of-time-ok-ok-let-s-go-with-quot-an-introduction-to-the-windows-time-service-quot.aspx


From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Jimmy Tran
Sent: Thursday, February 2, 2017 9:11 AM
To: [email protected]<mailto:[email protected]>
Subject: [NTSysADM] can't set NTP time source on PDC

Hi Guys,

I’ve been having trouble changing the Windows time source to any outside NTP 
server. It is current set to local but the time is off so I wanted to set it to 
an outside time source.

When I run “w32tm /query /status”, it shows (source name: “LOCL”). So now I run 
“w32tm /config /syncfromflags:manual /manualpeerlist:pool.ntp.org /reliable:yes 
/update” and it completes successfully. I’ll restart the time service and do a 
query again but it still shows LOCL. I am doing this on the PDC on the domain. 
I’ve tried a reboot and even unregistering w32tm but nothing helps. I’m out of 
ideas.

Thanks,

JT

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