Article ID: 937150 - View products that this article applies to.
Consider the following scenario. You have a computer that is running a version of Windows Vista. You upgrade to another version of Windows Vista by using the Windows Anytime Upgrade (WAU) DVD. Then, you try to activate Windows Vista over the Internet. In this scenario, you receive an error message that resembles the following:
The Windows Vista product version product key you typed is invalid for activation.
This issue occurs if one of the following conditions is true:
To resolve this issue, use one of the following methods.
Method 1: Use the automated telephone system to activate Windows Vista
Method 2: Restore the computer to its original state and then upgrade the computerIf you cannot activate Windows Vista, you must restore the computer to its original state. After you restore the computer to its original state, you can upgrade it.
If Windows Vista was preinstalled on the computer by the manufacturer, you must refer to the computer documentation or contact the system manufacturer for help with restoring the computer to its original state.
For information about your hardware manufacturer, visit the following Web site:
For more information about how to install Windows, click the following article numbers to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/918884/ )How to install Windows Vista
316941Note We recommend that you back up and verify the data on the computer before you perform a new installation of Windows.
(http://support.microsoft.com/kb/316941/ )How to install or upgrade to Windows XP
Article ID: 937150 - Last Review: May 15, 2007 - Revision: 1.4