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Windows 7: Upgrade from 7 Pro to 7 Enterprise

16 Sep 2014   #11

Windows 7 Enterprise 32 and 64

For those of you that successfully performed the upgrade, which version of Enterprise did you upgrade to?
not sure that it matters... However I do believe that if you were upgrading a pro version with SP1, you should upgrade to a SP1 enterprise version.

My System SpecsSystem Spec
22 Sep 2014   #12

Windows 7 Professional 64-bit

Just as a follow up, I was able to get installations from the following to upgrade to Enterprise:

Professional 32 bit
Professional 64 bit
Professional 64 bit with SP1

Everything worked out great and authenticated. Thanks for the help everyone!
My System SpecsSystem Spec
27 Mar 2015   #13

Windows 7 Professional x64

I understand this is a older thread, but it has been very informative.

Has anyone figured out how to do this in an automated fashion from SCCM?

My System SpecsSystem Spec

21 Jul 2015   #14

Windows 7 Enterprise 64-bit
No luck for me...

I changed the registry keys as recommended in this thread, but I get the following message when I launch setup for Windows 7 Enterprise N SP1:

Windows 7 Professional cannot be upgraded to Windows 7 Enterprise N. You can choose to install a new copy of Windows 7 Enterprise N instead, but this is different from an upgrade, and does not keep your files, settings, and programs. You’ll need to reinstall any programs using the original installation discs or files. To save your files before installing Windows, back them up to an external location such as a CD, DVD, or external hard drive. To install a new copy of Windows 7 Enterprise N, click the Back button in the upper left-hand corner, and select “Custom (advanced)”.

So, in other words, it still figured out the original windows is a Pofessional and not Enterprise, despite de registry changes I made. Am I missing something here ?
My System SpecsSystem Spec

 Upgrade from 7 Pro to 7 Enterprise

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