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Error message when you try to install Windows Vista by using Windows Vista installation media: "Upgrade has been disabled - To upgrade, start the installation from Windows"

SYMPTOMS
When you try to install Windows Vista, you cannot select the Upgrade option in the Install Windows dialog box. Additionally, you receive the following error message in the Install Windows dialog box:
Upgrade has been disabled
- To upgrade, start the installation from Windows
CAUSE
This issue may occur if you run Setup by using the Windows Vista installation media.
RESOLUTION
To resolve this issue, use one of the following methods.

Method 1

If you are trying to install Windows Vista on a computer that currently has no installed operating system, click Custom (advanced) on the Which type of installation do you want? screen. Then, perform a clean installation of Windows Vista.

Method 2

If you are trying to upgrade your current installation of Windows to a 32-bit version of Windows Vista, exit Setup, restart the computer by using the currently installed version of Windows, and then restart the Windows Vista installation process. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
932616 Installation choices for consumer versions of Windows Vista (32-bit only)

Method 3

If you are trying to upgrade your current installation of Windows to a 64-bit version of Windows Vista, you must perform a clean installation of Windows Vista.

Note Make sure that you back up all data on the computer before you run the installation process. Then, restore the data to the newly installed Windows Vista system.
REFERENCES
For more information about how to install Windows Vista, click the following article numbers to view the articles in the Microsoft Knowledge Base:
932795 Installation choices for 64-bit consumer versions of Windows Vista
918884 How to install Windows Vista
919183 System requirements for Windows Vista
Properties

Article ID: 932009 - Last Review: 03/15/2007 21:59:32 - Revision: 1.3

  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
  • Windows Vista Enterprise 64-bit Edition
  • 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
  • kbsetup kbexpertisebeginner kbtshoot kberrmsg kbprb KB932009
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