1. Press F8 when starting Windows, then select "Directory Service Restore Mode" in the execution menu.
2. Select "Start" -> "Run".
3. Enter CMD and press Enter. (At this time, the display of the same DOS is the same.)
4. Enter NTDSUTIL and press Enter.
5. Enter Authoritative Restore and press Enter.
6. Enter restoreDatabase and press Enter.
7. Press Confirm.
8. After the completion, enter the Quit Exit Console
