2- Restart the server and chose the boot option from CD.

2-click NEXT and click on repair mode your COMPUTER.

3-click on NEXT and SELECT COMMAND PROMT on NEXT and SELECT COMMAND PROMT.

4-.x:\SOURCES>dir ENTER (ALL COMMAND GIVEN BELOW)

c:
Dir (file not found)
D:
dir (file found Like-windows)
MOVE C:\Windows\System32\Utilman.exe C:\Windows\System32\Utilman.exe.bak

COPY C:\Windows\System32\cmd.exe C:\Windows\System32\Utilman.exe

5 – Now you can go ahead and reboot your machine. When it’s done booting up again and you are at the Logon screen, click on the Ease of accessibility icon.

6 – use below command for password change net user administrator *
And then set the password which you want. Close cmd and log on.-