Windows Server 2008 R2 builds on the great foundation of Windows Server 2008, expanding existing technology and adding some features to enable organizations to increase the reliability and flexibility of their server infrastructures. Virtualization tools, web resources, management enhancements help save time, reduce costs, and provide a platform for a dynamic and efficiently managed data center. Powerful tools combine to give customers greater control, increased efficiency, and the ability to react to front-line business needs faster.