Local Time Synchronization on Windows XP LAN
On the machine chosen as the time provider:
In the registry, head to:
HKLM\SYSTEM\CurrentControlSet\Services\W32Time
Set key \Parameters\Type = NTP
Set key \Config\AnnounceFlags = 5 (Decimal)
and then run the following commands:
net stop w32time
net start w32time
On the client machines:
Run the following commands:
net stop w32time
w32tm /config /manualpeerlist:"192.168.1.1" (substitute address)
net start w32time
w32tm /resync