Windows Server 2008 R2 provides enhancements in virtualization, management, security, and datacenter infrastructure that help organizations operate more efficiently. It allows for increased server consolidation through features like live migration and support for 64 cores and 1TB of RAM. The release also improves power management to reduce energy costs and supports the latest hardware. Windows Server 2008 R2 helps IT organizations strengthen security, drive down costs, boost productivity, and enhance agility through tighter integration with Windows 7 and other Microsoft technologies.