[ntp:questions] w32time

Rob nomail at example.com
Fri Jun 18 11:07:50 UTC 2010

Mr Dave Baxter <g8kbv at uko2.co.uk> wrote:
> Hi All.
> As people on here seem to know about all this, a question if I may.
> This came up while in discussion with another party, in regards to 
> potential "steps" in time caused by allowing w32time to do the job, 
> instead of a custom app, or "feature" in yet another program.
> What I'd like to ask, is how does w32time manipulate the local PC's 
> clock.
> Does it just set the updated time into the system at each poll (about 8 
> in 18 hours the last time I looked)
> Or does it tweak the tick rate, to bring the local clock behaviour into 
> line with the reference source (in this case, a GPS/PPS derrived local 
> NTP server) elsewhere on the LAN (one switch away.)
> Or, a combination of the above.
> Are there known differences between the different versions of Windows? 
> (2k, XP, Vista, 7 etc)

It depends on your Windows version and on how you have configured w32time.

There are technet articles about it on the Microsoft site.

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