Working with Active Directory Domains
Although you must configure both Active Directory and DNS on a Windows Server 2008 network, Active Directory domains and DNS domains have different purposes. Active Directory domains help you manage accounts, resources, and security. DNS domains establish a domain hierarchy primarily used for name resolution. Windows Server 2008 uses DNS to map host names, such as zeta.microsoft.com, to numeric TCP/IP addresses, such as 172.16.18.8. To learn more about DNS and DNS domains, see Chapter 20.
Using Windows 2000 and Later Computers with Active Directory
User computers running professional or business editions of Windows 2000, Windows XP, and Windows Vista can make full use of Active Directory. These computers access ...