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In Windows NT 4 domains, the backup domain controller (BDC) is a computer that has a copy of the user accounts database. Unlike the accounts database on the PDC, the BDC database is a read-only copy. When changes are made to the master accounts database on the PDC, the PDC pushes the updates down to the BDCs.
The software and operating system used to run a domain controller usually consists of several key components shared across platforms.This includes the operating system (usually Windows Server or Linux), an LDAP service (Red Hat Directory Server, etc.), a network time service (ntpd, chrony, etc.), and a computer network authentication protocol (usually Kerberos). [4]
A domain controller is a server running the Active Directory Domain Services (AD DS) role. It authenticates and authorizes all users and computers in a Windows domain-type network, assigning and enforcing security policies for all computers and installing or updating software.
Read-only domain controllers (RODCs), intended for use in branch office or other scenarios where a domain controller may reside in a low physical security environment. The RODC holds a non-writeable copy of Active Directory, and redirects all write attempts to a full domain controller. It replicates all accounts except sensitive ones. [20]
A domain controller is a Windows or Samba server that manages all security-related aspects between user and domain interactions, centralizing security and administration. A domain controller is generally suitable for networks with more than 10 PCs. A domain is a logical grouping of computers. The computers in a domain can share physical ...
Windows Home Server has not officially supported Domain Controller capability and cannot readily join a Windows Server domain. Wireless networking is supported. Dedicated devices will have the operating system pre-installed and may be supplied with a server recovery disk which reloads the OS over a network connection.
Directory Services Restore Mode (DSRM) is a function on Active Directory Domain Controllers to take the server offline for emergency maintenance, particularly restoring backups of AD objects. It is accessed on Windows Server via the advanced startup menu, similarly to safe mode .
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