[ntp:questions] NTP not syncing

David Taylor david-taylor at blueyonder.co.uk.invalid
Sun Dec 8 14:55:58 UTC 2013

On 08/12/2013 10:30, Brian Inglis wrote:
> Also why I would like to see the Windows ntpd support pinning, tsc/pcc use,
> and other tweaks, independent of each other and the interpolation option.
> That option currently has to be enabled to use those tweaks, but appears
> in my tests to degrade results  compared to my current setup.

Some of these options depend on which version of Windows you are using - 
XP Vista/7, and 8/8.1 all differ in their capabilities and therefore in 
NTP's behaviour.  Sometimes, NTP gets the wrong guess at what options to 
use, and sometimes other programs appear to interact with the OS making 
NTP's start-up decision inappropriate.  But NTP 4.2.7 is now much better 
than earlier versions of NTP on Windows ever were.

Unfortunately, now I have a local stratum-1 server (low-cost), I do very 
little requiring Internet-only sync, except when I have my phone or 
tablet away from home when I can do little NTP-wise.  (iOS allows no 
access, Android requires rooting, which I haven't done).  Occasionally I 
have my Windows-7 netbook away from home, and the accuracy of NTP is 
that usage is more than adequate (assuming the hotel or ship allows NTP 
packets through, that is!).
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