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Configuring other machines to set their time from the NetManager

Windows

On all versions of Windows up until 2008R2 and Windows 7, you can use the net use command:

Alternatively, you can use the w32tm command from (at least) XP onwards. You must use w32tm on 2008R2 and later. Add ,0x08 to the end of the hostname or IP address as described here.

On a Domain Controller, add /reliable:YES to the end.

Generally machines which are members of an Active Directory domain will get their time from a Domain Controller, therefore you do not need to do this on each computer, just your Domain Controller.

After setting the NTP server(s), run the following to immediately sync the time:

Debug logging

Time change events are logged from the source 'Kernel-General' but will not state why the change occurred. To get more information enable debug logging:

To disable debug logging:

XenServer

1. Log onto console as root (or from XenCenter, go to server console and type xsconsole)
2. Choose Network and Management Interface and press RETURN
3. Choose Network Time (NTP) and press RETURN
4. Login as root if prompted
5. Use the Add an NTP Server, Remove a Single NTP Server and Remove All NTP Servers options to alter the addresses of the NTP servers to use