Microsoft KB Archive/932004

Knowledge Base

Error message when you try to upgrade a computer that is running Windows XP to Windows Vista: "The legacy OS does not meet the software update requirements: 'Service Pack 2 for Windows XP'"

Article ID: 932004

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 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
• Windows Vista Starter

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SYMPTOMS

When you try to upgrade a computer that is running Microsoft Windows XP 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 legacy OS does not meet the software update requirements: "Service Pack 2 for Windows XP"

CAUSE

This problem occurs because Windows XP Service Pack 2 is not installed.

RESOLUTION

To resolve this problem, follow these steps:

1. Exit the Windows Vista installation process.
2. Install Windows XP Service Pack 2. To do this, visit the following Windows Update site:

   http://update.microsoft.com

3. Restart the Windows Vista installation process.

Keywords: kbexpertisebeginner kbtshoot kbprb KB932004

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