The first method is to pick up the hard disk and hang on another 2000 machine, delete the SAM file in the% systemroot% / system32 / conf directory, and then hang the hard disk back, start, the administrator's password is empty Two methods are troublesome, first edit a file with Notepad, named scripts.ini, the content is [startup] 0cmdline = admin.bat 0parameters = Put it in% systemroot% / system32 / grouppolicy / machine / scripts and then edit A batch file admin.bat name does not matter, but must be the same as the name written in Scripts.ini is Net User Administrator 12345678 (ie, change the administrator password to 123456 / addnet local agforsteristrators admin / add (Ie, add user admin, password 123456) put it into% systemroot% / system32 / grouppolicy / machine / scripts / startup These operations To put hard drives on another 2000 machine and put hard drives back , Restart twice