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Before you install Windows Server 2008 on a computer, particularly in cases when you are creating a new network infrastructure, you should create a map of what your network will look like (a good tool for creating a network map is Microsoft Visio). In particular, you should outline the servers and other resource devices, such as printers, that will provide your network clients with services. The role that a particular server will fill on the network should be determined long before you install the network operating system. The server’s role, such as acting as a domain controller, a DHCP server, a multihomed router (a Windows Server 2008 configured with more than one network interface card), or a NAT server, dictates not only the server’s hardware configuration, but also the configuration of that server (and the services it provides).
By the Way
Hour 4, “Understanding and Configuring Server Roles and Services,” provides an overview on how to configure the various roles for a server, including such services as DNS, a file server, and a print server. Other hours in the book look at the specifics of configuring these various services. Hour 8, “Understanding and Configuring Active Directory Domain Services,” looks at the Active Directory namespace and provides the steps for making Windows Server 2008 a domain controller.