[ntp:questions] Re: time reset, syncronisation lost and Large PPM values

Danny Mayer mayer at ntp.isc.org
Thu Nov 3 04:01:46 UTC 2005

Martin Burnicki wrote:
> David,
> David J Taylor wrote:
>>Tom Smith wrote:
>>>It's losing time, which could suggest lost interrupts. However,
>>>the steps every half hour make me wonder if your server is doing the
>>>stepping. The fact that 2 different clients have the same problem
>>>in any case suggests a common cause. What is/are the server(s)?
>>>It's not a Windows "NTP server", is it?
>>There's nothing wrong with a properly configured Windows system running as
>>an NTP server, with the distributed NTP software.  If you meant to say
>>that running the Microsoft "W32time" software does not provide a fully
>>compliant NTP service, then I would completely agree with your doubts!
> Windows *is* a lousy timekeeper. We've had a customer where the Windows
> system clock has lost about 30 seconds (!) whenever a scheduled job was run
> to deal with their databases.
> Martin

Is this with using the MM timers?


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