[ntp:questions] NTP and Windows Vista

Danny Mayer mayer at ntp.isc.org
Sat May 31 03:34:09 UTC 2008


David J Taylor wrote:
> Folks,
> 
> Has anyone made any progress with taming NTP on Windows Vista yet?  I have 
> this version basically running:
> 
>   ntpd 4.2.4p3 at 1.1502-foehr-o Jul 25 12:53:15 (UTC+02:00) 2007  (7)
> 
> but the timekeeping is nothing like as good as on XP or Windows 2000. 
> Compare PC Gemini with the others here:
> 
>   http://www.satsignal.eu/mrtg/daily_ntp.html
> 
> One thing I did note, and should have checked earlier, was that the 
> W32Time service was still running, and of course it should not be. 
> Perhaps the Meinberg installer didn't have enough rights to disable it, as 
> I requested?  Anyway, I have now disabled it (at 0500 UTC on Tuesday May 
> 27) and confirmed that it's not running, but the timekeeping seems just as 
> bad:
> 
>   http://www.satsignal.eu/mrtg/gemini_ntp.html
> 
> The periodic nature of the offset almost suggests to me some sort of beat 
> frequency - as if two things were trying to control the clock.  With 
> Process Explorer, NTPD is running at High priority (13).  It would be 
> great to put "Vista" as another OS where NTP works.

Please enter a bug item so that we can track this issue even if we 
ultimately decide that there's nothing we can do or that it's operator 
error.

Danny



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