w32tm

Set time sync on forest root

w32tm /stripchart /computer:dc.example.com /samples:1 /dataonly - display time difference
w32tm /query /peers - show ntp source
w32tm /query /status - show ntp status
w32tm /config /manualpeerlist:1.dk.pool.ntp.org /syncfromflags:manual /reliable:yes /update - configure PDC to time sync with Internet source