synchronize AD with External NTP Server

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Tutorial on how to synchronize AD with External NTP Server

Configure AD Domain Controller which is running as PDC Emulator Role to point to External NTP Server ( or

w32tm /config /manualpeerlist:",0x8" /syncfromflags:MANUAL /update
  • 0x8 – Force sending client requests to the specified NTP server

Verify AD Domain Controller is pointing to

w32tm /query /source,0x8

Force Sync with manually

w32tm /resync

Verify there is no error to sync with external NTP Server

C:\Users\Administrator>w32tm /query /status
Leap Indicator: 0(no warning)
Stratum: 4 (secondary reference - syncd by (S)NTP)
Precision: -23 (119.209ns per tick)
Root Delay: 0.0088451s
Root Dispersion: 7.7909026s
ReferenceId: 0x349472BC (source IP:
Last Successful Sync Time: 2/20/2021 10:22:41 PM
Poll Interval: 7 (128s)

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