Windows Server 2008 R2 Enterprise provides unprecedented levels of system uptime, the security advances, & 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, & customer service systems. Windows Server 2008 R2 Enterprise delivers high availability, increased performance, & superior business value. Organizations also benefit from a highly productive infrastructure that is optimized for business-critical applications & services