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With the release of Windows Server 2012, Microsoft brings its experience in building and operating public clouds to the server platform for private clouds. It offers customers scalable, dynamic, and multitenant-aware cloud infrastructure that helps users connect across-premises. As a result, IT can respond to business needs with greater agility and efficiency, and the mobile workforce is able to access personalized work environments from virtually anywhere.
Microsoft Windows Server 2012 offers two editions - Standard and Datacenter - that are differentiated only by virtualization rights:
Note: You must have a Windows Server 2012 CAL to access an instance of Windows Server 2012
The total number of CPUs of the server must be licensed.* Each Standard base license grants the rights to run on up to two processors. Additional Licenses may be added for servers with more than two processors.
Example: 1 CPU Server
One (1) Standard license is required.
Provides rights on up to two (2) CPUs.
Example: 4 CPU Server
Two (2) Standard licenses are required.
Each license provides the rights on up to two (2) CPUs for total rights of up to four (4) CPUs.
Each license covers up to two physical processors on a single server. The minimum number of licenses required for each server is determined by the number of physical processors. For Standard edition, you can add more virtual instances by assigning additional licenses to the server (two incremental virtual instances are added per license).
|Licensing examples||Datacenter licenses required||Standard licenses required|
|One 1-processor, non-virtualized server||1||1|
|One 4-processor, non-virtualized server||2||2|
|One 2-processor, non-virtualized server with three virtual OSEs||1||2|
|One 2-processor server with 12 virtual OSEs||1||6|
The Windows Server 2012 product line-up has been streamlined and simplified, making it easier for customers to choose the edition that is right for their needs.
|Key Features||Unlimited virtual instances; all features||Two virtual instances; all features||Two processors; limited features|
|Licensing Model||Processor + CAL*||Processor + CAL*||Server (25 user limit)|
|Active Directory Rights Management Services1||X||X||X|
|BranchCache Content Server||X||X||X|
|BranchCache Hosted Server||X||X||X|
|Internet Information Services 7.5||X||X||X|
|Network Access Protection||X||X||X|
|Remote Desktop Services2||X||X||X|
|Windows Deployment Services||X||X||X|
|Running Instances in POSE (Physical Operating System Environment)||1||13||14|
|Running Instances in VOSE (Virtual Operating System Environment)||Unlimited||2||14|
*Client Access Licenses (CALs) are required for every user or device accessing a server. See the End User License Terms for details.
1. Requires an incremental AD RMS CAL for access
2. Requires an incremental RDS CAL for access
3. When a customer is running all allowed virtual instances, the physical instance may only be used to manage and service the virtual instances.
4. Essentials can be run in either a physical or virtual operating system environment "1 or 1."