Timesync

w32tm /config /syncfromflags:manual /update /reliable:yes /manualpeerlist:ptbtime1.ptb.de
w32tm /query /configuration
net stop w32time
net start w32time

bzw., falls obiges Script nicht funktioniert:

net stop w32time 
w32tm /config /syncfromflags:manual /manualpeerlist:ptbtime1.ptb.de,0x8
w32tm /config /reliable:yes
net start w32time
w32tm /config /update