Problem with the upgrade to Windows 7 Professional to Windows 7 Ultimate


My Dell laptop came pre-installed with Windows 7 Ultimate 64 - bit version. But there was a hardware problem, and I had to re - reinstall Windows 7 on my Dell laptop. But then, without knowing it, I installed Windows 7 Professional 64-bit (for which I had the key too) & began to work on it. Later, when some drivers were not installed correctly because of compatibility issues, I realized the truth.

Then I tried to update my Windows 7 Professional current operating system to Windows 7 Ultimate-operating system by using Windows Anytime Upgrade without having to re - install Windows from scratch, I have so many applications and data on my laptop now. And I used the key of Windows 7 Ultimate version I have with my Dell laptop. But the key is not be accepted by the Windows Anytime Upgrade application and the following error message is displayed:

"Enter a different upgrade key

The upgrade key you have entered is an edition of Windows that does not work with Windows Anytime Upgrade. Enter a different upgrade key. "

Please help me in this regard to solve this problem so that I can improve my Windows 7 operating system without having to re - install from scratch.

Thank you


Note: Retail 'Full' or 'Upgrade' product keys will work when you use the Express Upgrade feature.

Upgrade Express 'can' not work (check with the manufacturer of the computer support team) for users who have the OEM and system integrators or keys, this applies also to VL (Volume License), - MSDN Academic Alliance (MSDNAA) / DreamSpark or pedagogical keys that does not / do support the Anytime Upgrade option. KMS users consult your administrator before attempting to perform an Express upgrade.

The key that came with your mobile PC is an OEM key, which most likely why it fails to upgrade.

J W Stuart:

Tags: Windows

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