Adjust Internet Time Synchronization 1 (adding new servers

Adjust Internet Time Synchronization 1 (adding new servers - Windows XP)

04/03/2006 - 10:19 (Category: Windows)

Windows XP syncronizes the system's clock with an Internet server using NTP (Network Time Protocol), that is is the same protocol used by Linux and Mac Os X too. By default Windows uses 2 servers only: time.windows.com and time.nist.gov. Well, you can add new servers. Let's see how:

1) click on Start -> Run
2) type regedit
3) go to HKEY_LOCAL_MACHINE -> SOFTWARE -> Microsoft -> Windows -> CurrentVersion -> DateTime -> Servers
4) right click an empty space in the right pane and select New -> DWORD Value
5) Name the new value with a number one higher than the last (so the first you add will have the value 3, since 1 and 2 already exist)
6) double-click the new value and type 'hostname' in the Value Data box
7) close regedit

You are done!
If you don't know any new NTP server, take a look here: http://ntp.isc.org/bin/view/Servers/NTPPoolServers or here: http://www.pool.ntp.org/. Notice that if you are using a firewall you have to let NTP servers to access your local port 123 (local NTP service port). If you are using the Windows XP's built-in firewall, don't worry because this port is enabled by default.
WARNING: the Windows' registry is the heart of Windows: you will be in *TROUBLE* if you damage it! Your computer could be temporarily unavailable! So, before editing it, please make sure you have a backup copy of it. Refer to this article: http://support.microsoft.com/kb/322756/en-us to know more about the Windows' registry backup procedure

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