Do you reimage the machine? No. You use the script.
:: Hypothetical command to change the password; real commands may vary echo %AdminUser%|smcpassword -u -p %NewPassword% resetpass.bat for symantec 14 download
For educational and recovery purposes, this is the command structure the classic batch file used to interact with the database over Java: Do you reimage the machine
resetpass.bat
The most reliable way to reset your credentials in SEP 14 is via the built-in email recovery system: resetpass.bat for symantec 14 download