@echo off
REM Reduces the time the windows time sync takes for each syncronisation

SETLOCAL
REM 3600 = 1 Hour
REM 86400 = 1 day (recommend)
REM 604800 = 1 Week (default by Microsoft)

REM Change it as needed :)
SET SYNCTIME=3600



reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\w32time\TimeProviders\NtpClient" /v SpecialPollInterval /t REG_DWORD /d %SYNCTIME% /f
net stop w32time && net start w32time
w32tm /resync /nowait


ENDLOCAL