echo. echo Full log saved to %LOG_FILE% pause
powershell -command "Get-WmiObject win32_bios | select-object Serialnumber" serial checker.bat
For large-scale deployments (10,000+ machines), consider a compiled language or specialized tool. But for 1–500 machines, serial_checker.bat remains unbeatable in simplicity and deployability. serial checker.bat
REM Get BIOS Serial for /f "tokens=2 delims==" %%a in ('wmic bios get serialnumber /value ^| find "="') do set "BIOS_SN=%%a" if "%BIOS_SN%"=="" set "BIOS_SN=UNKNOWN" serial checker.bat