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Error message when you try to upgrade a computer to Windows Vista: "The installed operating system does not support an upgrade to Windows Vista"

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Article ID:932007
Last Review:March 15, 2007
Revision:1.2

SYMPTOMS

When you try to upgrade a computer to Windows Vista, you cannot select the Upgrade option. Also, you receive the following error message in the Install Windows dialog box:
Upgrade has been disabled
- The installed operating system does not support an upgrade to Windows Vista

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CAUSE

This problem occurs when the current operating system does not support an upgrade to Windows Vista.

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RESOLUTION

To resolve this problem, perform a full installation of Windows Vista. Or, upgrade the computer to an operating system that meets the upgrade requirements for Windows Vista.

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APPLIES TO
•Windows Vista Home Basic
•Windows Vista Home Premium
•Windows Vista Ultimate
•Windows Vista Business
•Windows Vista Enterprise
•Windows Vista Starter
•Windows Vista Home Basic 64-bit Edition
•Windows Vista Home Premium 64-bit Edition
•Windows Vista Ultimate 64-bit Edition
•Windows Vista Business 64-bit Edition
•Windows Vista Enterprise 64-bit Edition

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Keywords: 
kbsetup kbexpertisebeginner kbtshoot kberrmsg kbprb KB932007

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