Windows 7 CD keys, are they interchangable?

Posted by unixman83 on Server Fault See other posts from Server Fault or by unixman83
Published on 2011-01-10T02:06:40Z Indexed on 2011/01/10 2:55 UTC
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windows-7

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licensing

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microsoft-licensing

I am talking about during installation. Using regular licensing, not volume licensing.

Amongst OSes of the same class, are CD keys interchangeable or are they locked to a specific subset of CDs?

In other words: If I have 10 legally purchased copies of Windows 7 Professional, can I throw out the discs for all but one? And all the CD keys will work?

UPDATE: How about for service packs (when they come out). If I have Windows 7 Professional SP1 and a Windows 7 RTM original? Do they change CD keys between service packs?

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