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n1kk/resync-time.bat

Last active May 29, 2020 08:01
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Force windows to update time
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resync-time.bat
REM *** run as ADMINISTRATOR !
REM Forces windows to update time
@echo off
set retryCount=0
echo Resync END
:SyncStart
if %retryCount% == 10 goto SyncFailed
set /A retryCount=retryCount + 1
REM *** Resync the system clock
echo resyncing, attempt %retryCount%
w32tm /resync
if errorlevel 1 goto SyncDelay
if errorlevel 0 goto SyncEnd
:SyncDelay
REM *** If unsuccessful, wait, then retry
echo failed, waiting before retry
PING localhost -n 6 >NUL
goto SyncStart
:SyncFailed
echo "resync failed, make sure shell is running as administrator"
pause
:SyncEnd
echo "Resync END"
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