Reset Windows Server 2008 R2 password
From Zam Wiki
Reset the administrator/user password on Windows Server 2008 by using Windows Installation Disk
- Insert the Windows Server 2008 installation DVD
- Restart the computer, select boot from DVD
- Choose option "Repair your computer"
- Select start command prompt
- Type in "C:\"
- Then, "CD C:\Windows\System32"
- MOVE Utilman.exe Utilman.exe.bak
- COPY Cmd.exe Utilman.exe
- You may also need to enable the administrator account which can be done by using "NET USER administrator /active:yes"
- Restart the windows
- Then, at the login screen, type Windows-U, this fires up cmd.exe
- NET USER <username> <password> e.g. NET USER administrator P@sSw0rD!
- Now restart the computer again and move the original Utilman.exe back. e.g. MOVE Utilman.exe.bak Utilman.exe