How to rename your computer using it’s service tag number
Below is a short script that is handy in renaming your computer using the service tag or serial number of the machine.
setlocal
wmic bios get serialnumber | find /I /V “SerialNumber” > “%temp%\sn.txt”
set /p comp_name=<“%temp%\sn.txt”
wmic computersystem where name=”%computername%” rename name=%comp_name%
del “%temp%\sn.txt”
endlocal