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Microsoft Windows Server 2012 R2 Licenses

For simple and cost-effective server deployment with industry-leading scalability for server virtualization, Aventis Systems offers the Windows Server 2012 R2 operating systems to best fit your physical and virtual server needs. Optimize your business for the cloud with our Microsoft Windows Server 2012 R2 offerings:

  • Windows Server 2012 R2 Essentials: For small businesses with up to 25 users and 50 devices. Includes limited features for one (1) operating system environment, running on servers with up to two (2) processors. Licensing is applied per server. No additional CALs are necessary, however systems are limited to 25 users total.
  • Windows Server 2012 R2 Standard: For physical or minimally virtualized environments. Includes all features for two (2) virtual operating system environments (OSE) and a Processor + CAL licensing model.* (Recommended)
  • Windows Server 2012 R2 Datacenter: For highly virtualized datacenter and cloud environments. Best value for customers planning to deploy 12 or more virtual instances.

*Includes all features for unlimited virtual operating system environments (OSE), and a Processor + CAL licensing model.
Standard and Datacenter edition are differentiated only by virtual instance rights.  The minimum number of licenses required for each server is determined by the number of physical processors.