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Can you help me with my software licensing question?

As I understand it the current state of play with Per-processor or Microsoft licensing (such as SQL) is it is Per "Physical" processor. So if I have a server with two physical slots filled with two physical processors each with four cores I would need two SQL 2008 Licences.

If I was to install VMWare ESX (as an example) on that server then create a machine with four of the cores assigned to the machine presented as 4 Virtual CPUs; would I need one SQL 2008 Per-processor Licence or four?

As a secondary question: Has Microsoft released any official information on this anywhere?

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marked as duplicate by Iain Jan 28 '12 at 20:39

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2 Answers 2

up vote 5 down vote accepted

Your understanding is correct.

MS makes this pretty clear in their special considerations document.

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Perfect, great answer. Thank you very much. –  Richard Slater Nov 2 '09 at 10:34

That is correct, you'd only need a single licence as you're not committing to using any cores from a second physical processor - even though the work would likely be split across both. If you gave the VM 5 or more cores in the situation you mention then you would need to buy a second processor licence.

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