

Partition Boot Sector is the first sector of the Partition. On personal computers, the Master Boot Record uses the Partition Boot Sector on the system partition to load the operating system kernel files. The Partition Boot Sector contains information, which the file system uses to access the volume. See also Changing the Domain Administrator Password.Boot disk: partition boot sector is damaged You can use this procedure when a graphical user interface (GUI) is not available (e.g., on Server Core). When you are ready to boot normally, type bcdedit /deletevalue safeboot, then reboot: shutdown /r /f /t 5.To boot DSRM, type the command bcdedit /set safeboot dsrepair, then reboot: shutdown /r /f /t 5.On Windows Server 2008 or later you can run bcdedit inside of an This will boot the computer back into normal mode. Under “Boot options” uncheck the box Safe boot and click OK.Reboot the computer: Click on Start (or press WIN+X -> Shut down or sign out -> Restart.Select Active Directory repair and click OK.

Under “Boot options” check the box Safe boot.In the Open box type msconfig and click OK.You can configure Windows to boot DSRM using msconfig.exe: Windows 8 or later: The F8 key is disabled on desktop editions Select Directory Services Restore Mode or DS Restore Mode. Windows logo appears you waited too long.)Ī text menu menu will appear. Do this immediately after BIOS POST screen, before

To manually boot in Directory Services Restore Mode, press the F8 key If after you boot DSRM you need to recover your Active Directory password for the Domain Administrator account, see Changing a Lost Domain Administrator Password. Windows Server 2008 R2 ( Windows 7 recovery tools).Windows Server 2012 ( Windows 8 recovery tools).Windows Server 2012 R2 ( Windows 8.1 recovery tools).Windows Server 2016-2022 ( Windows 10 recovery tools).This requires a working Active Directory.īy using a standard desktop PC lost-password recovery tool: You must click on Switch UserĪnd manually type the name. Where MyDomain is the name of the domain. When prompted for the logon account name type.

How to Log on to DSRMĬlick on Switch User -> Other User. When AD is so damaged that it will not boot normally. \Administrator (language may vary).ĭSRM is only needed when Active Directory is so damaged that you cannot log on using Set when you promoted the domain controller. You can log on to DSRM by using a special DSRM password that you Active Directory will still attempt to start in Safe Mode and if it fails you will not be able to log on. Note: Do not confuse DSRM with Safe Mode. To log on to the computer when Active Directory has failed or needs to be Repairing or recovering Active Directory. Directory Services Restore Mode What is DSRM?ĭirectory Services Restore Mode (DSRM) is a special boot mode for
