On 2012-12-08 22:03, David Woolley wrote:
If you suffer from temporary severe asymmetric delays, you can use the huff and
puff tinker option to try and compensate.

Given that the adjustments come about every hour, and the machine is not doing anything particularly interesting with the network, *and* I've seen this behavior on other Win7-machines configured to use the NTP pool servers (with radically different network setup/use) I doubt that would do the trick. But I'll keep it in mind.

For now I've tried setting NTPD_USE_INTERP_DANGEROUS, because 1) it has DANGEROUS in the name, FOR SCIENCE! and 2) it's reported that the interpolation may actually work again on Windows 7 machines, sometimes (it didn't work well on Vista, which is why ntpd started using the clock directly).

Though it's really too early to tell, it's interesting that the offset has kept to <40 ms since the last restart 2 hours ago and no adjustment to the system time has been logged, so this may be a keeper.

--
J.

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