Active Directory domain controllers are the main components responsible for the organization's identity infrastructure. The failure of domain controllers and their services impact the entire identity infrastructure. Therefore, as with any other critical system, Active Directory server's high availability is crucial. There are two types of disaster which can occur related to Active Directory domain controllers.
The first one is when there is a complete system crash due to the faulty hardware. Apart from the Active Directory backup, maintaining multiple domain controllers will help organizations to recover from such situation easily without a backup restore. If it's not the FSMO role holder, we can forcefully remove the crashed domain controller's related records and introduce a new domain controller. If it is the FSMO role...
