Microsoft Windows Server 2008 5 User CALs OEM License Windows Server 2008 5 User CALs This license DOES NOT include CD-MEDIA. Client Access Licensing Client Access Licensing Requirements Client access licensing requirements have been updated for Windows Server 2008. In previous Windows Server licensing models, Windows CALs were automatically triggered when particular server services were invoked. With Windows Server 2008, CALs are no longer triggered but are instead based on access and use. In other words, Windows CALs are required when accessing or using the server software. This holds true for all editions of Windows Server 2008, except Web Edition. Windows CALs are not required for Web Edition. Microsoft Windows Server 2008 Microsoft Windows Server 2008 is the next generation of the Windows Server operating system that helps information technology (IT) professionals maximize control over their infrastructure while providing unprecedented availability and management capabilities, leading to a significantly more secure, reliable, and robust server environment than ever before. Windows Server 2008 delivers new value to organizations by ensuring all users regardless of location are able to get the full complement of services from the network. Windows Server 2008 also provides deep insight into the operating system and diagnostic capabilities to allow administrators to spend more time adding business value. Windows Server 2008 is far more than a refinement of predecessor operating systems. Windows Server 2008 is designed to provide organizations with the most productive platform for powering applications, networks, and Web services from the workgroup to the datacenter with exciting, valuable new functionality and powerful improvements to the base operating system. Windows Server 2008 Enterprise delivers an enterprise-class platform for deploying business-critical applications. It helps improve availability with clustering and hot-add processor capabilities; improve security with consolidated identity management features; and reduce infrastructure costs by consolidating applications with virtualization licensing rights. Windows Server 2008 Enterprise provides the foundation for a highly dynamic, scalable IT infrastructure.