Configuring NTP on Win2012 R2 domain controllers (Time Server Clock) October 18, 2018 by intsonline Time Clock sync for DC: w32tm /config /manualpeerlist:time.nist.gov /reliable:yes /syncfromflags:manual /update or w32tm /config /manualpeerlist:us.pool.ntp.org /reliable:yes /syncfromflags:manual /update