Fix NTP on Domain Controller
On parent / primary domain controller verify existing setting for time service
w32tm /query /status
On parent / primary domain controller set the External Time Server
w32tm /config /manualpeerlist: timeserver /syncfromflags:manual /reliable:yes /update
On client PC or child domain controller test the NTP is reachable
w32tm /stripchart /computer:PDC_IP /dataonly /samples:10
On All other domain controllers run following to set PDC as NTP
w32tm /config /syncfromflags:domhier /update
w32tm /query /status
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