2012 R2 Datacenter | * Highly virtualized private and hybrid-cloud environments. |
* Full windows server functionality with unlimited virtual
instances. |
* Feature parity, lisensing model processor plus client access
licenses CALs |
2012 R2 Standard | * Low-density or non-virtualized environments, full windows server
functionality with 2 virtual instances |
* Full windows server functionality with unlimited virtual
instances. |
* Feature parity, lisensing model processor plus client access
licenses CALs |
2012 R2 Essentials | * Cloud-connected for small business environments. |
* Simpler interface pre-configured connectivity to cloud-based
services. |
* One virtual instance. |
* 15-user limit. |
* Maximum 2 processors. |
2012 R2 Foundation | * Economical general purpose server |
* An economical way to build a network foundation to manage users
and secure business information. |
* Support file and print sharing. remote access. |
* No virtualization rights. |
* 15-user limit |
* Maximum 1 Processor. |