I've had success using the "Offline NT Password & Registry Editor" to change the password for the Administrator account. Daniel Petri also has a good article covering the same topic. Both are found at http://www.petri.co.il/forgot_administrator_password.htm
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.