This article outlines the different Microsoft Data Access Component (MDAC) versions that are available and the products that install them.

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The following table contains the list of different MDAC releases along with the release date for each.

MDAC Version	Release Date	Shipped With	Additional Notes
MDAC 2.8 SP2	03/2005	Windows 2003 SP1	No Web release
MDAC 2.8 SP1	08/2004	Windows XP SP2	Released on the Web and available at the following Web site: http://msdn2.microsoft.com/en-us/data/aa937730.aspx (http://msdn2.microsoft.com/en-us/data/aa937730.aspx)
MDAC 2.8	08/2003	Windows Server 2003	Released on the Web and available at the following Web site: http://msdn2.microsoft.com/en-us/data/aa937730.aspx (http://msdn2.microsoft.com/en-us/data/aa937730.aspx)
MDAC 2.7	10/2001	Windows XP	Released on the Web and available at the following Web site: http://msdn2.microsoft.com/en-us/data/aa937730.aspx (http://msdn2.microsoft.com/en-us/data/aa937730.aspx)
MDAC 2.6 SP2	6/2002	SQL Server 2000 SP2	Released on the Web and available at the following Web site: http://msdn2.microsoft.com/en-us/data/aa937730.aspx (http://msdn2.microsoft.com/en-us/data/aa937730.aspx)
MDAC 2.6 SP1	6/2001	SQL Server 2000 SP1	Released on the Web and available at the following Web site: http://msdn2.microsoft.com/en-us/data/aa937730.aspx (http://msdn2.microsoft.com/en-us/data/aa937730.aspx)
MDAC 2.6	9/2000	SQL Server 2000	Released on the Web and available at the following Web site: http://msdn2.microsoft.com/en-us/data/aa937730.aspx (http://msdn2.microsoft.com/en-us/data/aa937730.aspx)
MDAC 2.5 SP3	12/2003	Windows 2000 SP3	Released on the Web and available at the following Web site: http://msdn2.microsoft.com/en-us/data/aa937730.aspx (http://msdn2.microsoft.com/en-us/data/aa937730.aspx)
MDAC 2.5 SP2	5/2001	Windows 2000 SP2	Released on the Web and available at the following Web site: http://msdn2.microsoft.com/en-us/data/aa937730.aspx (http://msdn2.microsoft.com/en-us/data/aa937730.aspx)
MDAC 2.5 SP1	7/31/2000	Windows 2000 SP1	Released on the Web and available at the following Web site: http://msdn2.microsoft.com/en-us/data/aa937730.aspx (http://msdn2.microsoft.com/en-us/data/aa937730.aspx)
MDAC 2.5	2/17/2000	Windows 2000	Released on the Web and available at the following Web site: http://msdn2.microsoft.com/en-us/data/aa937730.aspx (http://msdn2.microsoft.com/en-us/data/aa937730.aspx)
MDAC 2.1 SP2			No Web Release
MDAC 2.1 SP1a (GA)	4/1/1999	Office 2000, BackOffice 4.5, Visual Studio 98 SP3 (*Internet Explorer 5a shipped minimal install)	Web Release
MDAC 2.1 SP1	3/15/1999	Internet Explorer 5.0	No Web Release
MDAC 2.1	11/07/1998	SQL Server 7.0, Server 6.5 SP5	No Web Release
MDAC 2.0 SP2	07/01/1998		Released through the Web. Y2K remediation for all platforms
MDAC 2.0 SP1	07/01/1998	Windows NT 4.0 (SP4)	Y2K remediation for Windows NT 4.0
MDAC 2.0	07/01/1998	Visual Studio 98	No Web Release
MDAC 1.5 a/b/c/d	08/01/1997	n/a	n/a
MDAC 1.5	08/01/1997		MDAC 1.5 shipped two separate releases, with two separate sets of files. Shipped in betas for Internet Information Server (IIS) 4.0 (Windows NT 4.0 Option Pack), Internet Explorer 4.0, Internet Explorer 4.01 SP1, and Windows 98. The first release was in Internet Explorer 4.0. The second was from the 1997 Professional Developer's Conference

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For information about the Support Lifecycle policy for MDAC, see question 6 on the following Microsoft Web site:

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For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:

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