W32tm Windows 2012

Just a question on the time service

If I manually move a member servers time to 2 hours in future.    Should it return to same time as the pdc (which is the time source )

With out using the resync command.  

It doesn’t (waited 12 hours )

Everything set as default.
Mike HammerAsked:
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Dr. KlahnPrincipal Software EngineerCommented:
Depends on how often the system is set to resynchronize with the master.  Most are set to resynchronize once a day, so it could take up to 23 hours and 59 minutes.

I find it prudent to set systems to resynchronize at least twice a day, and I feel that three times is better.  If you run your own time server there's no reason to not resync every four hours -- though the additional accuracy is negligible, it defends against systems that have dead RTC batteries.

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Mike HammerAuthor Commented:
Yes we do use are own time source ,

Are we just talking about the polling interval, set by gpo

Dr. KlahnPrincipal Software EngineerCommented:
The resync interval is set in the Registry.  There may be a GPO setting related to it, but the Registry setting is what the system uses.

Now there is some discussion about whether this actually works on later revisions of Windows.  Personally I have found it to work as advertised, but some claim it does not.


(imo the preceding looks like going around Robin Hood's barn.)
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Windows Server 2012

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