Article ID: 836799
Article Last Modified on 5/1/2007
APPLIES TO
- Microsoft Data Access Components 2.7 Service Pack 1
SUMMARY
Microsoft now distributes hotfixes for Microsoft Data Access Components (MDAC) 2.7 Service Pack 1 (SP1) as a single update file.
Because these hotfixes are cumulative, each new release of MDAC contains all the hotfixes and all the security updates that are included with the previous release of MDAC 2.7 SP1. You do not have to install a previous update before you install the latest update.
This article contains a list of all the hotfixes that are available for MDAC 2.7 SP1.
RESOLUTION
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.
To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
Prerequisites
Before you install this update, you must have MDAC 2.7 SP1 installed.
To determine the version of MDAC that you are running, view the following registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\DataAccess\FullInstallVer
The FullInstallVer key that you want to see is 2.71.xxxx.x.
Note After you install this update, you can expect the FullInstallVer key to read 2.71.9051.0.
For more information about how obtain MDAC 2.7 Service Pack 1 Refresh (released May 30, 2003), click the following article number to view the article in the Microsoft Knowledge Base:
820910 How to obtain the latest MDAC 2.7 service pack
Removal information
This hotfix cannot be removed after it has been installed.
Hotfix update information
The following hotfixes have been released for MDAC 2.7 since Service Pack 1 was released.
Knowledge Base article and title
318606 FIX: SQL Server ODBC driver resets connection attributes when used in connection pooling
327723 FIX: Access violation occurs with ODBC BCP and connection pooling
329791 FIX: MSPersist does not handle special characters such as carriage returns or line feed correctly
329964 FIX: Microsoft SQL Server ODBC driver cannot retrieve output parameters of a remote stored procedure on a linked server
330199 "Syntax error or access violation" error with ASCII sequence in SQL
810215 FIX: Intermittent access violation in ADO on Web site under stress
817847 FIX: Incorrect version of Sqlunirl.dll is installed with SQL Server 2000 Service Pack 3
Linked Server
322968 FIX: CColumnsInfo reference count leak in MSDAORA REF CURSOR when you retrieve data from an Oracle function
325338 FIX: OLE DB Provider for SQL Server does not cancel a batch statement when you call the Cancel() method
329414 MS02-065: Buffer overrun in Microsoft Data Access Components can lead to code execution (MDAC 2.6)
810016 FIX: RDS-Generated Recordset loses synchronization when it is bound to Internet Explorer
811007 FIX: Corrupted data when you enable asynchronous fetching in SQL Server ODBC driver
812338 FIX: Your computer stops responding when you use Microsoft OLE DB provider for Oracle
812554 FIX: ODBC DRIVER for SQL Server converts double value to SQL_NUMERIC value incorrectly
812558 FIX: SQL Server ODBC driver does not report canceled query
814064 FIX: SQLBrowseConnect may cause an access violation in the client application
815701 FIX: Memory leak may occur in Microsoft OLE DB Provider for Oracle when you use the REF CURSOR data type and the LONG data type
832921 FIX: Memory leak occurs when you use the Advanced Data Tablegram persistence mechanism to persist a hierarchical recordset to a Stream object
Function
324914 SQL Server connection fails when RC4 encryption is disabled
327964 FIX: High critical section contention in MSWSTR10.dll under stress
328514 FIX: Binding an output parameter of an Oracle stored procedure to adBSTR results in an incorrect value
812554 FIX: ODBC Driver for SQL Server converts double value to SQL_NUMERIC value incorrectly
815249 FIX: Performance of a query that is run from a client program on a SQL Server SP3 database is slow after you restart the instance of SQL Server
816442 FIX: Sort property does not work correctly when the second field has a null value
816516 FIX: Access violation occurs in the ODBC32!RegMonitorThread function
816649 DBNetLib sets hard-coded KeepAliveTime and KeepAliveInterval
817518 Passing ADODB::Field object to ADO Command.CreateParameter method causes a memory leak
818493 FIX: ODBCCR32 deadlock occurs when you use MFC and NT critical sections
818539 FIX: A deadlock occurs when you repeatedly load and then unload the Dbnetlib DLL
821289 FIX: "General Network Error" when you use SqlClient with SSL encryption
822841 FIX: Setting of connection attribute fails when you use connection pooling for the SQL Server ODBC
832483 MS04-003: Buffer overrun in an MDAC function could allow code execution
Connection
818510 FIX: Cannot connect to a SQL Server named instance by using a canonical name
823317 FIX: Non-Admin Windows 2000 users cannot create global objects by using Terminal Services
823718 MS03-033: Security update for Microsoft Data Access Components
829761 FIX: Access violation occurs when you try to connect to a SQL Server by using the Microsoft OLE DB Provider for SQL Server
875519 FIX: The contents of the ntext parameter may be corrupted when you perform an update or an insert statement from an ODBC client application
839411 FIX: Error when you update an ADO client-side recordset when data source does not support schemas
834905 FIX: You receive an "ORA-01012" error message when you connect to an Oracle database by using MSDAORA
836830 FIX: Query performance declines when you use the SET FMTONLY Hint in the Microsoft ODBC Driver for SQL Server and the Microsoft OLE DB Provider for SQL Server
SQL Server
816649 DBNetLib sets hard-coded KeepAliveTime and KeepAliveInterval
831801 FIX: SQLStatistics function returns incorrect sort order sequence
832483 MS04-003: Buffer overrun in an MDAC function could allow code execution
832921 FIX: Memory leak occurs when you use the Advanced Data Tablegram (ADTG) persistence mechanism to persist a hierarchical recordset to a Stream object
839411 FIX: Error when you update an ADO client-side recordset when data source does not support schemas
Hotfix file information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Date Time Version Size File name
--------------------------------------------------------------
02-Aug-2004 19:18 2000.81.9051.0 61,440 Dbnetlib.dll
02-Aug-2004 19:14 2.71.9051.0 307,200 Msadce.dll
02-Aug-2004 19:18 2.71.9051.0 57,344 Msadcf.dll
02-Aug-2004 19:18 2.71.9051.0 131,072 Msadco.dll
02-Aug-2004 19:18 2.71.9051.0 53,248 Msadcs.dll
02-Aug-2004 19:15 2.71.9051.0 147,456 Msadds.dll
02-Aug-2004 19:15 2.71.9051.0 491,520 Msado15.dll
02-Aug-2004 19:18 2.71.9051.0 159,744 Msadomd.dll
02-Aug-2004 19:18 2.71.9051.0 180,224 Msadox.dll
02-Aug-2004 19:15 2.71.9051.0 53,248 Msadrh15.dll
02-Aug-2004 19:18 2.71.9051.0 221,184 Msdaora.dll
02-Aug-2004 19:15 2.71.9051.0 180,224 Msdaprst.dll
02-Aug-2004 19:18 2.71.9051.0 188,416 Msdaps.dll
02-Aug-2004 19:18 2.71.9051.0 110,592 Msdarem.dll
02-Aug-2004 19:14 2.71.9051.0 126,976 Msdart.dll
02-Aug-2004 19:14 2.71.9051.0 303,104 Msdasql.dll
02-Aug-2004 19:18 2.71.9051.0 32,768 Msdfmap.dll
02-Aug-2004 19:18 2.71.9051.0 90,112 Msjro.dll
02-Aug-2004 19:18 2.573.9051.0 131,072 Msorcl32.dll
02-Aug-2004 19:13 3.520.9051.0 204,800 Odbc32.dll
02-Aug-2004 19:18 2000.81.9051.0 24,576 Odbcbcp.dll
02-Aug-2004 19:18 3.520.9051.0 98,304 Odbccp32.dll
02-Aug-2004 19:18 3.520.9051.0 61,440 Odbccr32.dll
02-Aug-2004 19:18 3.520.9051.0 61,440 Odbccu32.dll
02-Aug-2004 19:14 2.71.9051.0 417,792 Oledb32.dll
02-Aug-2004 19:18 2000.81.9051.0 471,040 Sqloledb.dll
02-Aug-2004 19:18 2000.81.9051.0 385,024 Sqlsrv32.dll
02-Aug-2004 19:03 2000.81.9051.0 200,704 Sqlxmlx.dll
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
MORE INFORMATION
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Keywords: kbhotfixserver kbqfe kbqfe kbbug kbfix KB836799
