Option 1: Reset Server 2012 password with installation CD If you have no other administrator account, there is no need to worry, a lot of Windows Server 2012 password reset or recovery tools out there have made it easy for you to recover or reset password in Windows Server 2012 R2 and get you back in to system again. If so, you can use that user to reset Windows server 2012 admin password. Before going further, if your Server 2012 (R2) machine is a DC in the domain, the first thing you should do is check if there is any other user that has admin privileges. It comes the time that for some reason you may forget Windows Server 2012 administrator password and locked yourself out of computer. How do I reset administrator password on Windows Server 2012 R2 that's running on VMware Workstation without deleting any files? A long time away from using the machine, now I can't access it since I forgot the login password. How to Reset Windows 2012 Server Administrator Password