Microsoft Virtual Server 2005 R2 SP1 is an ideal, production-quality server for consolidating multiple workloads onto a physical server, allowing organizations to make more efficient use of their hardware resources. Built upon Microsoft Virtual Server 2005 R2 Enterprise Edition and bolstered with new functionality, Virtual Server 2005 R2 SP1 enables IT organizations to enhance their administrative productivity and rapidly deploy new servers to address changing business needs through automated deployment and configuration of connected virtual machines that are easily administered with standard server management tools. Microsoft® Virtual Server 2005 R2 SP1 now provides improved performance for non-Windows guest operating systems by leveraging hardware-assisted virtualization, high availability for both planned and unplanned downtime, and improved support for backup and disaster recovery. Virtual Server 2005 R2 SP1 is an extensively tested and well supported virtualization solution that is supported both by the broader ISV community and by Microsoft in conjunction with its server operating systems and applications.