Set up Windows XP as a NTP Server (Network Time Protocol)

Posted on 2011-05-05
Last Modified: 2012-05-11
Need to configure XP as a time server so that an external device (not a pc) can use it to syncronize it's clock. I have followed the steps in this article and it should now act as a NTP server, but nothing happens (no sync).

I have also run NTPTool ( ) on with no response.

(The external device can also act as a NTP sever and I get a response from that with NTPTool)

I've disabled the F-secure firewall while testing, but I'm not 100% it didn't block something anyway. I've also added a rule to allow NTP-traffic.

Have I missed something?
How can I verify that it's acting as a NTP server?

 NTPtool output
Question by:davidsperling
    LVL 14

    Accepted Solution

    LVL 4

    Author Closing Comment

    First link did the trick!

    PS, Don't forget to backup your registry and configure your firewall ;)
    LVL 4

    Author Comment

    Should also mention that it never worked to read time from localhost ( in NTPTool..

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