Reset Windows 2008 Administrator Password

But you need installation disk

1. Restart your Windows server 2008 with the installation Windows CD
2. Choose your language and click next

3. Select Repair your computer.

4. Select your partition and installation version and click Next

5. Click on Command Prompt

6. Follow the the command below:

* Backup the Utilman.exe 
* Overwrite Utilman.exe with cmd.exe

7. Reboot the server/machine

8. Click the small left icon (Ease of access)

9. When the command prompt opened, type the following command:

10. Logon to your computer using the new password :)

Don't forget to replace the utilman.exe with utilman.exe.bak!!