[ntp:questions] Win7: ntpd adjusting time backwards

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Thu Dec 13 01:41:25 UTC 2012

Jeroen Mostert wrote:
> GetSystemTimePreciseAsFileTime() is available, but most
>  of our machines are still Windows Server 2008/2008 R2
>  (even with some 2003 server still hanging around).
> On the physical machines, GetSystemTimeAsFileTime() will
>  get the time with 1 ms resolution since the MM timer
>  will be enabled, which is good enough.
> On the virtual machines, however, GSTAFT cannot do better
>  than the 15.625 ms resolution it has by default.

ntpq -c "rv &0 precision"
 should give a clue how close you can expect to get on a given machine.

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