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"
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This problem occurs because Windows XP Service Pack 2 is not installed.
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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: |
| 3. | Restart the Windows Vista installation process. |
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