Vista upgrade has been disabled error message

Answer ID 2053
Published 03/27/2007 12:09 PM
Updated 05/09/2007 04:30 PM

Vista upgrade has been disabled error message


When you try to install Windows Vista, you cannot select the Upgrade option. Also, receive the following error message in the Install Windows dialog box:

Upgrade has been disabled

- Windows cannot determine if another operating system exists on your computer. Try repairing the boot configuration, and then begin the installation again.

For more information please see the following article.

http://support.microsoft.com/kb/927295

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