Windows Domain Controller - set external NTP source, and sync member PC to domain controller

dcpromo to domain controller:

Promote Windows Server 2016 to a domain controller (Active Directory Domain Services) — DSKOLI

1. First, locate your PDC Server. Open the command prompt and type:
   netdom /query fsmo
2. Log in to your PDC Server and open the command prompt.
3. Stop the W32Time service:
   net stop w32time
4. Configure the external time sources, type:
   w32tm /config /syncfromflags:manual /manualpeerlist:”0.pool.ntp.org, 1.pool.ntp.org, 2.pool.ntp.org”
5. Make your PDC a reliable time source for the clients. Type: w32tm /config /reliable:yes
   
6. Start the w32time service:
   net start w32time
   
7. The windows time service should begin synchronizing the time. You can check the external NTP servers in the time configuration by typing:
   w32tm /query /configuration
   
8. Check the Event Viewer for any errors.

Tested on Windows Server 2016 core.

Reference: http://defaultreasoning.com/2009/11/16/synchronize-time-with-external-ntp-server-on-windows-server-2008-r2/

To sync a member PC with domain controller:

1. Open a command prompt window and type:
   NET TIME /DOMAIN
2. To force a computer to synchronize its time with a specific computer, send the following command:
   
   NET TIME \\ServerName /SET /Y
   
   -or-
   
   NET TIME \\ServerName /SET /Y

where ServerName is the domain controller computer name, or IP address.