The term Domain CONTROLLER (DC) comes mainly from the Windows world. This server administers Windows NT a /2000/XP domain. In a network several Windows NT /2000/XP computers can be combined into a domain. This concept resembles the working groups of Windows 9x/ME, is however only conditionally comparable. It makes the complete, central administration possible of the network. It can be specified directly at DC, which users with which password to announce to be allowed itself, to which files and/or network releases they have access and still much more. The changes apply to all computers, the member of the domain are and become immediately effective.

With NT4 domains are possible for changes only on the Primary Domain CONTROLLER (PDC). The Backup Domain CONTROLLER (BDC) holds only one backup copy of the user and dates of registration, who are updated in regular intervals. If the PDC for any reason precipitates, then the BDC can take over its task as announcing servers (Failover). In contrast to it all DC of a domain under Win2000 one recordable copy possess each of the Active directory data base. The change of an attribute on one DC is passed on in regular intervals to all other DC (made a replication). Thus are all DC on the same conditions. The loss of DC is insignificant for the Active directory data base, since no information is lost. The Replikationsintervall can be selected by the administrator as a function of the efficiency of the used net.

Also Linux/Unix servers can act as DC. This happens with the help of the free server software Samba or Samba TNG.

Related links

• German Debian Samba LDAP HowTo (samba ldap.de)

Articles in category "Domain CONTROLLER"

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• Creating the first Windows Server 2003 Domain Controller in a domain
  One of the greatest features of Windows Server 2003 is its ability to be a Domain Controller (DC). The features of a domain extend further than this ...


• Domain controller - Wikipedia, the free encyclopedia
  In Windows NT, the central domain controller was known as the Primary Domain Controller (PDC), of which there could only be one with this role; ...


• Domain Controllers
  Secure the DC according to the Microsoft and SANS Step-by-step recommendations for a domain controller. See OIT Security Resources for the licensed SANS ...


• Primary Domain Controller - Wikipedia, the free encyclopedia
  A Primary Domain Controller (PDC) is a server computer in a pre-Windows 2000 NT ... The PDC will usually be the first domain controller that was created ...


• Samba NT Domain Controller
  Currently, Samba can go beyond merely emulating Windows shares to actually acting as the Primary Domain Controller for your Windows network.


• What is domain controller - a definition from Whatis.com - see ...
  Primary domain controller (PDC) and backup domain controller (BDC) are roles that can be assigned to a server in a network of computers that use the Windows ...