If you have ever lost your password to the built-in administrator account in Windows NT, then perhaps you know what a pain it was to reinstall NT and all the programs on the machine. Well….. Worry no more because I have a simple solution for you. Just Boot up with DOS and delete the sam.exe and sam.log files from Winnt\system32\config in your hard drive, Now when you boot up in NT the password on your built-in administrator account will be blank (No password). This solution works only if your hard drive is FAT.
Hvis filystemet er NTFS. er der en løsning her:
http://home.eunet.no/~pnordahl/ntpasswd/