DSRM is similar to Safe Mode in Windows. But this is designed to perform any kind of restore operations related to Active Directory. This mode is not available in desktop operating systems. It comes into picture only with the installation of Active Directory on server operating systems. With in DSRM we can restore Active Directory database from its back up authoritatively and non-authoritatively.
So how to enter DSRM?
Reboot the machine and press F8, where you will see an option saying Directory Services Restore Mode.
What account to be used with DSRM?
Generally when you run DCPROMO, the wizard will ask us to set a password for DSRM Password. This password is for local administrator. So we need to user local administrator account instead of domain administrator. In fact domain administrator account will not be available in DSRM.
So how to reset DSRM password, if we forget?
We can reset the DSRM password using NTDSUTIL. Let’s see how to do it in below video.
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