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This article lists the significant changes in Microsoft Data Access Components (MDAC) version 2.8 from the previous versions of MDAC. This information includes references to the online documentation, relevant Microsoft Knowledge Base articles, and also the online training Web site that can be used to become acquainted with MDAC 2.8 and with the security features of MDAC 2.8.
The following is a list of relevant articles that are available online. These articles discuss significant fixes that are introduced in MDAC 2.8.
ADO 2.8 security design issues and changes
OLE DB security best practices
(https://support.microsoft.com/kb/818489/ )ODBC Administrator changes in MDAC 2.8
(https://support.microsoft.com/kb/818490/ )Handunsf.reg file has been removed in MDAC 2.8 Redist Setup for security reasons
(https://support.microsoft.com/kb/818520/ )Banyan VINES and AppleTalk protocols are removed from MDAC redistributable installer
(https://support.microsoft.com/kb/818518/ )FIX: "Can't save" error occurs when you try to save an ADO recordset to a file
(https://support.microsoft.com/kb/818519/ )FIX: Cannot connect to named instance of SQL Server when a fully qualified domain name is specified
(https://support.microsoft.com/kb/818521/ )FIX: Application terminates when the depth of SHAPE command child recordset is large
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/812558/ )FIX: SQL Server ODBC Driver does not report canceled query
(https://support.microsoft.com/kb/810215/ )FIX: Intermittent access violation in ADO on Web site under stress
(https://support.microsoft.com/kb/811007/ )Fix: Corrupted data when you enable asynchronous fetching in SQL Server ODBC Driver
(https://support.microsoft.com/kb/814064/ )FIX: SQLBrowseConnect may cause an access violation in the client application
(https://support.microsoft.com/kb/330199/ )"Syntax error or access violation" error with ASCII sequence in SQL
For more information about the online training about the security features in MDAC 2.8, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/821373/ )Support WebCast: Microsoft Data Access Components: Security features in MDAC 2.8
http://www.microsoft.com/downloads/details.aspx?familyid=6c050fe3-c795-4b7d-b037-185d0506396cNote We recommend that you first test your application with MDAC 2.8 in a test environment to make sure that you are aware of any compatibility issues before you decide to use or to upgrade to MDAC 2.8.