Using Roles, Role Services, and Features
Before modifying a server's configuration, you should carefully plan how adding or removing a role, role service, or feature will affect a server's overall performance. Although you typically want to combine complementary roles, doing so increases the workload on the server, so you'll need to optimize the server hardware accordingly. Also, keep in mind that roles, role services, and features can be dependent on other roles, role services, and features. When you install roles, role services, and features, Server Manager prompts you to install any additional roles, role services, or features that are required. If you try to remove a required component of an installed role, role service, or feature, Server Manager warns that you cannot remove the component unless you also remove the other role, role service, or feature.
Table 7-1 provides an overview of the primary roles and the related role services that you can deploy on a server running Windows Server 2008. In addition to roles and features that are included with Windows Server 2008 by default, Server Manager enables integration of additional roles and features that are available on the Microsoft Download Center as optional updates to Windows Server 2008.
Table 7-1 Primary Roles and Related Role Services for Windows Server 2008
Table 7-2 provides an overview of the primary features that you can deploy on a server running Windows Server 2008. Unlike earlier releases of Windows, some important server features are not installed automatically. For example, you must add Windows Server Backup to use the built-in backup and restore features of the operating system.
Table 7-2 Primary Features for Windows Server 2008
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