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I am working with a non-profit organization that just had a pallet of computers donated to them. The computers have had their hard drives wiped so there is no operating system installed. They are a small agency and they do not have an IT department, so I have volunteered to set them all up. Since the new computers will be replacing their existing equipment, my plan is to pre-stage them in my lab and then transfer the activation keys over once I deploy them (this is perfectly legal by the way).

All of the old computers have Windows 7 Pro installed on them. The problem is that they do not know how they acquired their licenses. Windows 7 Pro has both a retail channel (which only accepts retail keys) and a volume license channel (which only accepts KMS/MAK keys). I have access to the install media for both, but if I stage these computers with the wrong one, I will be in for a rude awakening when I go to transfer the licenses over and the keys don't work

Is there a way to tell what kind of key was used to activate a Windows 7 license?

NOTE: This is not a question about proper licensing or product licensing in general. It is a technical issue related to product activation.

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Run slmgr.vbs -dli from a command prompt (cmd.exe). It tells you the OS Version and the activation type (OEM, Retail, Volume license).

  • Yes! Thank you this is exactly what I was looking for. – Wes Sayeed Jul 31 '15 at 4:15
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    Don't you have an extra r there - isn't it slmgr.vbs rather than sl*r*mgr.vbs? At least on my machine, there's no slrmgr.vbs. – Damien_The_Unbeliever Jul 31 '15 at 6:39
  • @Damien_The_Unbeliever you're right. There was an extra r inside. – magicandre1981 Jul 31 '15 at 15:06

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