Microsoft Windows Server 2008 R2 Enterprise with Service Pack 1Microsoft Windows Server 2008 R2 Enterprise 64-bit provides unprecedented levels of system uptime, the latest security advances, and the scalability to support the growth of mission-critical applications. It also provides a cost-effective way to realize the benefits of virtualization. Windows Server 2008 R2 Enterprise is an optimal operating system for servers running applications such as networking, messaging, inventory, databases, and customer service systems. Windows Server 2008 R2 Enterprise: Updated Web server role, Internet Information Services (IIS) 7.5, and greater support for .NET on Server Core Capable of unprecedented workload size, dynamic scalability, and across-the-board availability and reliability. Client and Server virtualization provided by Hyper-V and Presentation virtualization with Remote Desktop Services Sophisticated CPU architectures, increased operating system componentization, and improved.