Time Synchronize Domain Servers

In a domain the DC with the PDCEmulator FSMO is the time source for all domain member machines, DC sync with that one and all other domain members sync with an available DC. Therefore make sure no firewall is blocking port 123 UDP on all machines.

Time displayed on the computers are for humans, internally all the client computers/member server/domain controllers will follow UTC Timing conventions.

You should understand the hierarchy.
If possible the PDCEmulator should sync to a NOT domain machine or NTP server, this can be configured with:

With “PEERS” you can set the time source, either DNS name (time.windows.com) or an ip address from a reliable time source.

Here you can find some of them:

To reconfigure the domain members for the domain hierarchie run:

After that run:

Or you should run below command line on problematic system , to reset the time service:

The client part can also be scripted and run as startup script.

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