This section lists some NTP settings which can be used to configure / troubleshoot the Windows NTP Service.

Question #1 - How can I check what time source is being used by Windows?


Open an administrative command prompt and run “w32tm /query /source”.  If you are synchronizing with a remote computer, the name from the computer should be listed. If you are using a hardware clock you should see "local CMOS Clock"

 

Question #2 - How can I let the computer sync its time with the the default time hierarchy?

Open an administrative command prompt and run:

w32tm /config /syncfromflags:domhier /update
net stop w32time
net start w32time

If the server is a DC you might wish to use the following instead

w32tm /config /syncfromflags:domhier /update /reliable:yes
net stop w32time
net start w32time

This command tells Microsoft Windows to go and look for the best time source in the domain hierarchy.

 

Question #3 - How to force the synchronization with the current configured NTP Source / timeserver?

via

w32tm /resync

 

Question #4 - How to show the NTP source which is currently used?

via:

w32tm /query /source

 

Question #5 - How can I get a list of peers which are currently used?

via:

W32tm /query /peers

 

 

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