If you are a domain administrator and forgot your domain admin password on Server 2008 R2, there are a few steps you can take to reset it.

  1. Log into the server and open the command prompt.
  2. Type “netstat -an” to see the active network connections on the server.
  3. Type “netstat -a | grep domain_admin” to see all of the active domain admin passwords in the system.
  4. Type “netstat -a | grep user” to see all of the active users in the system.

Forgetting your password is always a pain, but luckily there’s an easy way to reset your Domain Administrator password. All you need is a copy of the Windows Server 2008 R2 installation disk and one simple command line trick.

Replacing Utilman.exe

Boot off the Windows disk and select the “Repair your computer” option from the lower left-hand corner.

Follow through until you get to the option to open the Command Prompt, which you’ll want to select.

First you’ll want to type in the following command to backup the utilman.exe file:

Now you will need to copy cmd.exe and rename it Utilman.exe:

Now you can go ahead and reboot your machine. When its done booting up again and you are at the Logon screen click on the Ease of access icon.

I bet you weren’t expecting that open a command prompt  To change the password type:

Once you press enter you will asked to set a new password and then confirm it, when entering your new password don’t worry if you can’t see them as you type, they are invisible, they are however being remembered.

Once you’re logged in again don’t forget to delete Utilman.exe and then rename Utilman.exe.bak back to plain old Utilman.exe.