The registry entries are not updated when Microsoft re-releases a security update or a hotfix in Windows 2000, Windows XP, and Windows Server 2003

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Article ID: 901168 - View products that this article applies to.
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INTRODUCTION

When Microsoft re-releases a security update or a hotfix, the registry entries are not updated. This behavior is expected. This behavior does not affect the system on which the security update or the hotfix is installed.

MORE INFORMATION

Consider the following scenario. An earlier version of a security update or a hotfix is installed on the computer. You install a new version of the security update or the hotfix. The FileList key in the registry for the security update or the hotfix still displays the earlier file versions and checksums.

The security update installer or the hotfix installer treats the new installation like a reinstallation. Therefore, the security update installer or the hotfix installer does not update the registry entries.

Microsoft Windows Update and Microsoft Baseline Security Analyzer (MBSA) do not use the registry entries to look for installed fixes. Any tools that use the registry entries assume that the installed file version is the version that is listed in the registry or a newer version. Therefore, you do not break any reporting tools or any detection tools when you install a new version of a security update or a hotfix.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Properties

Article ID: 901168 - Last Review: July 1, 2010 - Revision: 2.0
APPLIES TO
  • Microsoft Windows XP Media Center Edition 2005 Update Rollup 2
  • Microsoft Windows XP Media Center Edition 2005
  • Microsoft Windows XP Tablet PC Edition
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Security Essentials
Keywords: 
kbinfo KB901168

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