Windows2012 system version differences
There are four versions of Windows Server 2012: Foundation,Essentials, Standard and Datacenter Windows Server 2012 Essentials for small and medium-sized enterprises, with users limited to 25 bits. This version simplifies the interface, pre-configures cloud service connections, does not support virtualized Windows Server 2012 Standard Edition to provide full Windows Server functions, and restricts the use of two virtual hosts Windows Server 2012 data Center Edition to provide full Windows Server functions. No limit on the number of virtual hosts Windows Server 2012 Foundation version is only available to OEM manufacturers, limited to 15 users, provides general server functions, and does not support virtualization.
