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If the name is appropriate to represent the organizational structure of the enterprise and satisfies the prefix naming rules in the table below, the name is typically kept.In this case, the Net BIOS name of the domain is the same as the DNS prefix of the domain.For example, an organization might have the forest root name corp.
In such a deployment, a partition of the DNS namespace is set aside for Active Directory, where a DNS domain name such as corp.is used support the Active Directory forest root domain, and then subdomains of this name are created to suit additional Active Directory domains as needed.
Active Directory is dependent on DNS as a domain controller location mechanism and uses DNS domain naming conventions in the architecture of Active Directory domains.
The suffix is selected from a list of existing DNS names on the network.
For the prefix, a new name that has not been used on the network previously is selected.
The suffix is the name of the Active Directory forest root domain.
When a Windows NT 4.0 master user domain (MUD) is upgraded, the decision is made whether or not to use the current Net BIOS name of the domain as a DNS prefix.For each new Active Directory domain, a prefix that is appropriate for the organizational structure of the enterprise and that satisfies prefix naming rules is used.Typically, the Net BIOS name of the domain will be the same as the name of the DNS prefix.Every Windows Server 2003 or later Active Directory domain has a DNS domain name (for example, contoso.com), and every Windows Server 2003 or later based computer has a DNS name (for example, win2kserver.contoso.com).Architecturally, domains and computers are represented both as objects in Active Directory and as nodes in DNS.Updated: November 19, 2014Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2 Active Directory uses DNS as its domain controller location mechanism and leverages the namespace design of DNS in the design of Active Directory domain names.