| 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. |
