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Knowledge Base

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

Article ID: 932007

Article Last Modified on 3/15/2007

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

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

Microsoft KB Archive/932007

Contents

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

SYMPTOMS

CAUSE

RESOLUTION