Directory Services Restore Mode (DSRM) is a special boot mode for repairing or recovering Active Directory. It is used to log on to the computer when Active Directory has failed or needs to be restored.
To access Directory Services Restore Mode, you typically press F8 prior to the machine booting into Windows, then select the Directory Services Restore Mode option from the menu that appears.
For Remote Machine access the machine using MSTSC and Edit boot.ini file in Notepad.
Add the following line to the end of the boot.ini file:
Save and close the boot.ini file.
Reboot the server.