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Sign in to explore more. Sign in to track your Virtual Labs. View all Evaluations. View All Virtual Labs. View All Tech Journeys. Windows Server Preview. Evaluations days. Windows Server Windows Server Essentials. Hyper-V Server Evaluations Unlimited. Windows Admin Center. Windows Server R2. Purchase a Software Assurance Step-up license to Datacenter edition, changing the license to a higher edition that allows unlimited virtual OSEs. To use this benefit, your underlying license must have Software Assurance.

With the Windows Server R2 Standard edition licensing model, you can grow your virtualization environment by either buying a step-up license to Datacenter edition if you have Software Assurance, or by simply buying additional Standard edition licenses and assigning them to the same physical server. For example, if you have a two-processor server and want to run a total of four VOSEs, you can purchase two Standard edition licenses and assign them to the same server.

Additional examples are shown in the following table. Windows Server R2. Windows Server R2 captures the experience Microsoft has gained from building and operating public clouds to deliver a highly dynamic, available, and cost-effective server platform for your datacenter and private cloud.

The following information provides an overview of your key licensing options. Licensing editions Compare features in all editions to determine the ideal solution for your virtualization and cloud computing needs. Datacenter edition is ideal for customers who want to have a highly virtualized private and hybrid cloud environment.

As always, it provides access to all the product features and enables unlimited instances of Windows Server with each license, enabling your virtual environment to grow as you do. The licensing for Datacenter edition will continue to be processor plus CAL Client Access License , with each license covering up to two physical processors on a single server.

Standard edition is ideal for those customers who want to have a physical or lightly virtualized environment. This edition enables you to run up to two virtual instances of Windows Server with each license and provides all the same features as Datacenter edition. The licensing for Standard edition will continue to be processor plus CAL, with each license covering up to two physical processors on a single server, just like Datacenter edition.

Essentials edition is ideal for small businesses that have up to 25 users and want to have a simpler, pre-configured connection to cloud-based services. This edition enables you to run a single virtual instance of Essentials. The licensing for Essentials will continue to be a server license for a two processor server that does not require CALs. Foundation edition is ideal for small businesses that have up to 15 users and want a general purpose server.

The licensing for Foundation has not changed; it continues to be a server license for a one-processor server that does not require CALs and is sold only through OEM original equipment manufacturer. FAQ Find answers to questions about features, licensing models, and determining which edition is right for you. How is Windows Server R2 licensed?

Here are just a few examples:.

[Windows server 2012 r2 standard device cal free download

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