There will be four versions of Windows Server 2012 as per Microsoft officials. Out of the four two will be licensed to customers on a per-processor basis.
|Edition||Ideal for…||High Level Feature Comparison||Licensing Model||Pricing Open NL (US$)|
|Datacenter||Highly virtualized private & hybrid cloud environments||Full Windows Server functionality with unlimited virtual instances||Processor + CAL*||$4,809**|
|Standard||Low density or non- virtualized environments||Full Windows Server functionality with two virtual instances||Processor + CAL*||$882**|
|Essentials||Small business environments||Simpler interface, pre-configured connectivity to cloud based services; no virtualization rights||Server (25 User Account Limit)||$425**|
|Foundation||Economical general purpose server||General purpose server functionality with no virtualization rights||Server (15 User Account Limit)||OEM Only|
*CALs are required for every user or device accessing a server directly or indirectly. See the Product Use Rights for details.
**Pricing represents Open No Level (NL) ERP. For your specific pricing, contact your Microsoft reseller.
Information Source: Microsoft Windows Server 2012 Editions
VN:F [1.9.22_1171]Windows Server 2012 Editions & Pricing,