Microsoft KB Archive/932007

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

Article ID: 932007

Article Last Modified on 3/15/2007

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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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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



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



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.

Keywords: kbsetup kbexpertisebeginner kbtshoot kberrmsg kbprb KB932007

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