Install Windows 7 ultimate for later activation with MAK, with only "pro" media?

Hi all,

I need to install Windows 7 ultimate for a user who works for a large company with it's own IT department. They have a MAK for this and wish to have me install the OS so that they can activate it later with their MAK.  The trouble is, I only have access to VLK media for Windows 7 Professional.  Is there any way I can achieve this installation for them?  Or failing that, given that they've a MAK for "ultimate", does that mean they automatically also have a MAK for "pro"? (I'm sure this user would be just as happy with "pro").

Thanks in advance.
mark_D74Asked:
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motnahp00Commented:
You can run "slmgr -rearm" from an elevated command prompt, which will provide full functionality and buy you some time until that user has the MAK applied.
mark_D74Author Commented:
@motnahp00 Buying time isn't the problem.  I don't have VLK media for "ultimate", only for "pro".  I need to install "ulitmate" for them.  Or, I need to know if the fact that they have an "ultimate" MAK, means that they also have a "pro" MAK (I notice that when I've purchased "pro" MAKs in the past, I also get MAKs for pro versions of Vista an XP).
willcompCommented:
motnahp00Commented:
Sorry Mark I can't say. With our Open Licensing, we have a VL and MAK for each Enterprise OS.

I would just go with Pro if the user is okay with it - he/she will not be losing any functionality.

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mark_D74Author Commented:
willcomp's advice didn't work in this instance, however it's a neat trick that I didn't know about.
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