Article ID: 301202 - View products that this article applies to.
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This article describes two different ways to check which version of Microsoft Data Access Components (MDAC) is installed on a system:
Install and Use the Component Checker ToolThe most reliable way to determine which version of MDAC is installed is to compare the version number of each MDAC DLL file to a list of the DLL files that are shipped with each MDAC version. The Component Checker can help you to do this. It checks the files on the computer, compares them to a list from each version of MDAC, and reports the closest match.
To install Component Checker, follow these steps:
Check the Version Information Stored in the RegistryAlthough not the most reliable way to check the MDAC version, checking the registry for the version information is an easy way to double-check this information (if you are not experiencing any MDAC-related issues).
The version information is found in the following key:
HKEY_LOCAL_MACHINE\Software\Microsoft\DataAccess\FullInstallVerTo check the registry, follow these steps:
TroubleshootingNote that the version information stored in the registry may be incorrect for versions of MDAC prior to 2.1 when compared with the versions of the actual files. Windows 2000 installs version 2.5. Only versions of MDAC later than 2.5 may be installed on Windows 2000.
Downloads for Microsoft Data Access Components are available at the following Web site:
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/307255/ )Component Checker: Diagnose problems and reconfigure MDAC installations
(http://support.microsoft.com/kb/231943/ )Microsoft Data Access Components (MDAC) release history
Article ID: 301202 - Last Review: February 11, 2010 - Revision: 10.0