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Re: Windows License on ESXi

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rbrads wrote:

 

Hi,

Apologies if this isnt the correct place for this. Basically we are trying to sort out our licensing on our ESXI Cluster

 

We have 6 x ESXI Hosts with 4 Processors each (6 Cores)

 

Im being told by Software Provider that If I build a Windows 2008 Standrd Server and it has 1 vcpu and 1 core that I need to purchase a 4 processor license for it as its hosted an 4 Processor ESXI Host. Same can be said if I build a Virutal Machine that 4 vcpu and 6 cores i also need to buy a 4 PROC License,

 

Is your guys experience in this correct,

 

Any help greatly appreciated

 

Thanks

 

 

 

IFyou are purchasing through a volume licensing program, the model recently changed when Windows 2012 was released.

 

http://download.microsoft.com/download/3/D/4/3D42BDC2-6725-4B29-B75A-A5B04179958B/WindowsServer2012VirtualTech_VLBrief.pdf

 

If a server is running ESX/ESXi as the virtualization technology, then Windows Server is not deployed as a host operating system in the physical OSE. However, a license is required for every physical processor on the server and every instance running in a virtual OSE should be appropriately licensed (Standard edition will allow up to two virtual instances with each license and Datacenter edition will allow an unlimited number of virtual instances with each license).


If you have assigned a single license for Windows Server 2012 Standard to a server running ESX/ESXi, then you may run two instances of Windows Server 2012 Standard at a time. The right to run an instance of Windows Server 2012 in the physical OSE cannot be used in this case since ESX/ESXi runs on the physical OSE (and as a result, Windows Server 2012 cannot be deployed as the operating system on the physical OSE.)
If you have assigned a second Windows Server 2012 Standard edition to the server running ESX/ESXi, then you may run up to four instances at a time of Windows Server 2012 Standard. You may not run a fifth instance under the same license since that right requires that the fifth instance be running hardware virtualization software and software managing and servicing the OSEs on the server.

 

So you are required to have one license per physical processor.  You have the option of purchasing Standard or Datacenter licensing.  Standard entitles you to two virtual Windows instances per license, while Datacenter will entitle you to unlimited instances of Windows.  If you purchase Windows 2012 licensing, you are entitled to run lower version of Windows such as Windows 2008 under that license.


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