Windows > Server Security & Hardening
Restore a Nonauthoritative Active Directory in Server 2012 R2
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mohitht:
Hi All,
There is a nonauthoritative restore of Active Directory is a default restore mode to Active Directory and then updated by authoritative versions of the AD database running on other domain controllers.
Login to the Domain Controllers that you want to restore with a domain administrator account:
Step1 : Open command prompt by the PowerShell icon on the Desktop / taskbar / Start screen.
Step2: In console window, type bcdedit /set safeboot dsrepair
Step3: Reboot the server and it will start in Directory Services Restore Mode (DSRM). It can also done by the command prompt by entering shutdown -t 0 –r
Step4: The username for DSRM is administrator. If the server is booted in safe mode, this will be displayed on the desktop.
Step5: Open the PowerShell console, type wbadmin getversions to view available backups
Step6: type wbadmin start systemstaterecovery –version:(enter backup date and time)
step7: To restore enter the confirmation as YES
After the completion of restoration reboot the server
and login back with the DSRM login credentials.
Step8: Open the Powershell and type the following bcdedit /deletevalue safeboot
Step9: Type shutdown –t 0 –r to restart the server back to DC.
Thanks :)
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