This is almost certainly my fault, but I could do with some help sorting it out. We got a new PC in the office the other day and I'm SysAdmin for it. The base Admin account is disabled and I'm the only user, out of four, with Admin rights. I put new Local Security Policies on it last night regarding minimum password length and account lockout controls (3 attempts, admin required to unlock). After that I made one more normal user account and logged off for the night. This morning we've found that all the accounts have been blocked, including the Admin one (mine), but not including the new one. Since I can't log in as the admin, I can't unlock the other accounts. The admin password is rejected as blocked when I use the only open account to access the account management stuff. How am I going to get back into the PC now?!