How to setup and external NTP server connection on Wind
Setting NTP Time on Server 2008

w32tm /configure /,0-1 /syncfromflags:manual /update

Note: The 0-1 is required as this is a DNS name and not an IP Address.

Syncfromflags:manual tells the server PDC Emulator that it will use an external NTP server for time, and not the domain.

Remember to restart the Windows Time Service after each configuration change. Use the following commend to restart the Windows Time Service:

Net stop w32time & net start w32time

Once you have done this, you can verify these settings in the Registry in the following location:

Type: NTP


You can also use w32tm to check the new configuration:

W32tm /query /configuration

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