FIX: Hotfixes are available for MDAC 2.7 Service Pack 1 (836799)


The information in this article applies to:

  • Microsoft Data Access Components 2.7 SP1

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:

http://support.microsoft.com/contactus/?ws=support

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

Modification Type:MinorLast Reviewed:6/14/2006
Keywords:kbHotfixServer kbQFE kbQFE kbBug kbfix KB836799 kbAudDeveloper
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