Reset Windows 2012R2 local administrator password
- Boot from Microsoft Windows Server 2012R2 DVD/ISO.
- From the Windows Setup menu, click "Next".
- Select "Repair your computer".
- Click on "Troubleshoot".
- Under Advanced options, click "Command Prompt".
At the command prompt, run the following commands:
c:
cd Windows\System32
ren Utilman.exe Utilman.exe.old
copy cmd.exe Utilman.exe
- Close the command prompt, remove DVD/ISO and then reboot the system.
- The server should now boot and present the logon screen.
- Press
Windows Key + U
.
At the prompt you can change the password, by typing the following command:
net user administrator Password123
This will set the password for the Administrator user to be Password123 (case sensitive).
Now repeat the DVD/ISO boot steps and open command prompt above and run the following:
c:
cd Windows\System32
del Utilman.exe
ren Utilman.exe.old Utilman.exe
Done!
i tried it but i got an error while executing command..
ren Utilman.exe Utilman.exe.old
Error:- specific file not found