Each license that you purchase will allow you to add 2 additional CPU's to that server. If you want to add additional CPU's you will need to purchase additional Windows Server 2012 licenses. Only Standard and Datacenter support more than 2 CPU's in the server. The CPU's limit only relates to the number of physical CPU's the computer has.
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The Foundation install is also the only edition of Windows Server 2012 that does not allow the install to be performed in a virtual machine. This is essentially because there is only one virtual instance supported and also Essentials edition does not support the Hyper-V role.Įach edition of Windows Server 2012 allows 2 CPU's to be installed in the server except for the Foundation edition which only allows one CPU to be used in the server. If you perform a physical install on Windows Server 2012, you must run any virtual instances for that server on the same server that the physical install is on.ĭatacenter and standard essentially have the same features as each other, the only real difference between the two editions is that DataCenter supports an unlimited number of virtual machines, while Standard supports 2.Įssentials edition differs from the other editions in that the install can only be performed in a virtual or physical machine.
Depending on which edition that you purchase will determine how many CPU's that server can run and how many virtual instances of that operating system that you can run on that server. Windows Server 2012 comes in 4 different editions. This video looks at determining how many Windows Server 2012 licenses you will need and how you can transfer licenses from one server to another server.
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Windows Server 2012 licensing is based on the number of CPU's and virtual machines that servers are running.