PDC auto sync time from external NTP

[Jerry So]

hello, in my environment:

all the domain joined computer will sync time from DC, that's fine!

all the DC (except PDC ) will sync time from PDC, that's fine too!

but I wanna PDC can auto sync time from external NTP , such as time.windows.com

I tried below command on PDC, but it seems like "one time sync" only.

W32tm /config /manualpeerlist:time.windows.com,0x1 /syncfromflags:manual /reliable:yes /update
net start w32time & W32tm /resync /rediscover

after the command ran, the time is correct, but if I modify time on PDC, the time seems not able to auto correct from external NTP.

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