This document summarizes the key features and capabilities of Windows Server 2008 R2 including virtualization, management, web hosting, scalability, reliability, integration with Windows 7, and power management features. It discusses Hyper-V, PowerShell, IIS 7.5, ASP.NET, best practices analysis, Live Migration, 64 logical processor support, componentization, storage performance, backup and recovery, and reduced memory and power footprint.