Unable to synchronize time on one workstation

M

MarkF1955

Our office has windows 10 workstations on an Active Directory domain. All workstations are able to synchronize time with the AD Server except one. Whenever I try to 'Sync Now' in the time settings on that workstation I get "Time Synchronization failed". The AD Group policy is set to:


"Time Source (GP)", righ-Click → Edit → Computer Configuration → Policies → Administrative Templates → System → Windows Time Service → Time Providers, double-click Configure Windows NTP Client, FDQN = mail.hprs.local,0x9 enable


I've tried setting the 'Windows Time' service to automatic.


I've tried:


w32tm /debug /disable
w32tm /unregister
w32tm /register
net start w32time


And I've tried:


w32tm /config /manualpeerlist:mail,0x8 /syncfromflags:MANUAL

w32tm /config /update


w32tm /query /source


The above is what we used on the Windows7 workstations, including this one before upgrading. On this workstations, despite the first two of the above commands returning "success", the /query one returns "Local CMOS Clock". For the other workstations, the Date & Time settings show "mail" as the Time Server.


I have even changed the CMOS battery. I'm out of ideas!

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