Re: Testing NTP on Win2003

It listens on UDP port 123. With UDP you don't establish a connection
(unlike TCP), so port scanning or telnetting to the port will not work. If
you check the system event log of your client it should have a W32Time entry
with a description something like the following:

The time provider NtpClient is currently receiving valid time data from
YOURPDC(ntp.m|0x1|192.168.13.22:123->192.168.13.200:123).

<jwgoerlich@xxxxxxxxx> wrote in message
news:1119630006.539180.118450@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Thank you for the reply. The DC's W32Time service is running, no
> time-related warnings or errors in the logs, and Windows computers are
> syncing their time.
>
> And yet, from a TCP/IP perspective, NTP does not appear to be running
> on the DC. How can I tell if the DC is listening and responding to NTP
> traffic?
>
> J Wolfgang Goerlich
>


.

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