MDAC 2.5 SDK - Technical Articles
The following table lists each important MDAC release date, including minor version releases, in chronological order.
| Release | Date | Primary ship vehicle |
| OLE DB 1.0 SDK | August 1996 | Stand-alone product |
| OLE DB 1.1 SDK | December 1996 | Stand-alone product
Microsoft® Visual Studio® 97 development environment |
| MDAC 1.5 (IE) | September 1997 | Microsoft Internet Explorer 4.0
Microsoft Internet Client SDK 4.0 |
| MDAC 1.5 (PDC) | September 1997 | Microsoft 1997 Professional Developers Conference CD |
| MDAC 1.5a | November 1997 | Microsoft Universal Data Access Web site |
| MDAC 1.5b | November 1997 | Microsoft Windows NT® 4.0 Option Pack |
| MDAC 1.5c | December 1997 | Microsoft Universal Data Access Web site |
| MDAC 1.5d | March 1998 | Microsoft Windows® 98
Microsoft Internet Explorer 4.01 Service Pack 1 |
| MDAC 2.0.3002.20 (GA)
(also known as MDAC 2.0) |
July 1998 | Microsoft Universal Data Access Web site |
| MDAC 2.0.3002.23 (Windows NT 4 SP4)
(also known as MDAC 2.0 SP1) |
October 1998 | Microsoft Windows NT 4.0 SP4 |
| MDAC 2.10.3513.2 (SQL)
(also known as MDAC 2.1) |
November 1998 | Microsoft SQL Server 7.0
Microsoft SQL Server 6.5 Service Pack 5 |
| MDAC 2.0.3002.28 (GA)
(also known as MDAC 2.0 SP2) |
January 1999 | Microsoft Universal Data Access Web site |
| MDAC 2.1 SDK Updater | January 1999 | Microsoft Universal Data Access Web site |
| Subset of MDAC 2.1.1.3711.6 (GA)
(also known as MDAC 2.1 Internet Explorer 5 SP1) |
March 15, 1999 | Microsoft Internet Explorer 5.0 |
| MDAC 2.1.1.3711.11 (GA)
(also known as MDAC 2.1 SP1) |
April 1, 1999 | Microsoft Universal Data Access Web site
Microsoft Office 2000 Microsoft Back Office 4.5 Microsoft Visual Studio 98 Service Pack 3 Microsoft Internet Explorer 5.0a |
| MDAC 2.1.2.4202.3 (GA)
(also known as MDAC 2.1 SP2) |
June 30, 1999 | Microsoft Universal Data Access Web site |
Beta and Pre-Release Timeline
| Release | Date | Primary ship vehicle |
| MDAC 2.50.3719.12 (Beta) | March 1999 | Microsoft Windows 2000 beta 3 |
| MDAC 2.5 SDK (Beta 3) | April 1999 | Microsoft Platform SDK |
| MDAC 2.5 (not released) | To be announced | Microsoft Windows 2000 |