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Can you help me with my software licensing question?

I have a server running ESXi 4.1 with an expired evaluation license. I tried to register a free license with VMware, but all I managed to obtain is a free ESXi 5.0 license. However, I can't seem to be able to apply an ESXi 5.0 license to an ESXi 4.1 server.

I was wondering if it possible still possible to get a free license for ESXi 4.1?

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marked as duplicate by ThatGraemeGuy, pauska, Iain, RobM, Sven Sep 13 '11 at 8:48

This question was marked as an exact duplicate of an existing question.

This is not a duplicate of that question, it's more concerning VMWare's free licence offerings. – Alex Berry Sep 13 '11 at 8:21
@Alex: Since only VMWare can really help the OP, it's a duplicate of said question. – Sven Sep 13 '11 at 8:48
What duplicate question are you guys referring to? Is it the generic one that is intended to kill all licensing questions? – mshamma Sep 15 '11 at 18:22

It's unlikely, usually previous versions are only supported by the manufacturer for licence holders. Unfortunately I beleive you'll have to upgrade to esxi 5. There is an article here on how to update to esxi 5 using both the update manager and an interactive install. If I were you I would back up the config on the server and back up the datastores to other disk if it's stored locally, however it should upgrade fine.

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