This article was previously published under Q292627
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IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
For a Microsoft FrontPage 2000 version of this article, see 250445.
This article describes how to determine whether the Microsoft Data Access Component (MDAC) is installed on your computer.
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
For additional information about the Microsoft Component Checker and for instructions on how to use it to determine the MDAC Version, click the article number below to view the article in the Microsoft Knowledge Base:
307255 INFO: Component Checker: Diagnose Problems and Reconfigure MDAC Installations