When a Microsoft ActiveX Data Objects (ADO)-based application uses the
adAsyncExecute method to make an asynchronous call to the
Connection.Execute method, you may experience one or more of the following symptoms:
| You receive access violation error messages. |
| The ADO-based application unexpectedly exits (crashes). |
| The ADO query returns no data because the fExecuteNoRecords parameter is set. |
Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Data Access Components 2.8 service pack that contains this hotfix.
To resolve this problem immediately, 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.
Steps to apply the hotfix
| 1. | Exit all applications that use Microsoft Data Access Components. |
| 2. | Make backup copies of all the Microsoft Data Access Components version 2.8 .dll files. |
| 3. | Unzip the file MDAC28-KB867768-x86-ENU.zip. |
| 4. | Run the file MDAC28-KB867768-x86-ENU.exe. |
| 5. | Restart the computer. |
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 tool in Control Panel.
| File name | File version | File size | Date | Time | Platform |
|---|
| Dbnetlib.dll | 2000.85.1055.0 | 73,728 | 16-Nov-2004 | 00:22 | x86 |
| Dbnmpntw.dll | 2000.85.1055.0 | 28,672 | 16-Nov-2004 | 00:23 | x86 |
| Msadce.dll | 2.80.1055.0 | 315,392 | 16-Nov-2004 | 00:22 | x86 |
| Msadco.dll | 2.80.1055.0 | 135,168 | 16-Nov-2004 | 00:22 | x86 |
| Msadcs.dll | 2.80.1055.0 | 49,152 | 16-Nov-2004 | 00:22 | x86 |
| Msadds.dll | 2.80.1055.0 | 147,456 | 16-Nov-2004 | 00:22 | x86 |
| Msado15.dll | 2.80.1055.0 | 512,000 | 16-Nov-2004 | 00:22 | x86 |
| Msadomd.dll | 2.80.1055.0 | 163,840 | 16-Nov-2004 | 00:22 | x86 |
| Msadox.dll | 2.80.1055.0 | 184,320 | 16-Nov-2004 | 00:22 | x86 |
| Msadrh15.dll | 2.80.1055.0 | 53,248 | 16-Nov-2004 | 00:22 | x86 |
| Msdaora.dll | 2.80.1055.0 | 225,280 | 16-Nov-2004 | 00:22 | x86 |
| Msdaprst.dll | 2.80.1055.0 | 192,512 | 16-Nov-2004 | 00:22 | x86 |
| Msdart.dll | 2.80.1055.0 | 147,456 | 16-Nov-2004 | 00:22 | x86 |
| Msdasql.dll | 2.80.1055.0 | 303,104 | 16-Nov-2004 | 00:22 | x86 |
| Msorcl32.dll | 2.575.1055.0 | 139,264 | 16-Nov-2004 | 00:22 | x86 |
| Odbc32.dll | 3.525.1055.0 | 221,184 | 16-Nov-2004 | 00:22 | x86 |
| Odbcbcp.dll | 2000.85.1055.0 | 24,576 | 16-Nov-2004 | 00:23 | x86 |
| Oledb32.dll | 2.80.1055.0 | 442,368 | 16-Nov-2004 | 00:22 | x86 |
| Sqloledb.dll | 2000.85.1055.0 | 503,808 | 16-Nov-2004 | 00:22 | x86 |
| Sqlsrv32.dll | 2000.85.1055.0 | 401,408 | 16-Nov-2004 | 00:22 | x86 |
| Sqlxmlx.dll | 2000.85.1055.0 | 208,896 | 16-Nov-2004 | 00:06 | x86 |
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
