[ntp:questions] New Windows NTP Installer available

Danny Mayer mayer at ntp.isc.org
Thu Aug 2 12:35:31 UTC 2007


David J Taylor wrote:
> Heiko Gerstung wrote:
> []
>> The installer now simply checks for the existence of a service called
>> Dnscache and if it finds it (and it is marked for "automatic start"),
>> it will be used as a dependency. If not, the installer falls back to
>> Tcpip.
>> Thanks a lot for your input, Ulrich and Maarten.
>>
>> Best Regards,
>> Heiko
> 
> Heiko,
> 
> This sounds like a good improvement, but I'm not quite clear whether it 
> will help my "portable with wireless" problem.  Perhaps it will.  However, 
> simply having the DNS Client running does not mean that the wireless 
> network is connected, and the DNS Client is actually resolving DNS 
> addresses.
> 
> I can't recall now if there's anything in the NTP code itself which will 
> repeated try to resolve IP addresses if they don't work first time. 
> Something like once a minute would probably be frequent enough at 
> start-up, and perhaps once an hour in the event of the connection to one 
> server being lost.
> 
> Cheers,
> David 

There is, but only if you don't get a definitive answer from the DNS
server. NXDOMAIN (ie no such host name) is a definitive answer.

Danny



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