Windows Server 2008 Datacenter provides large-scale virtualization on small to large server systems with workloads that require the highest levels of availability, reliability, and scalability. Windows Server 2008 Datacenter supports the memory and processing needs of large-scale, mission-critical applications such as ERP, databases, server consolidations, and custom and line-of-business applications. The unlimited virtualization licensing coupled with scalability makes Datacenter a good choice for all of your virtual workloads.