When you use server-side Keyset cursors with the OLE DB Provider for ODBC shipping with MDAC 2.0, a hash table is created, which is used to hold bookmarks for each row in the rowset, and the provider allocates 64 kilobytes to the table by default.
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next MDAC 2.0 Service Pack 1 available with Windows NT 4.0 Service Pack 4, or upgrade to the MDAC 2.1 components that contains this hotfix.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone 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 typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
The English version of this fix should have the following file attributes or later:
OLE DB Core
Date Time Size File name
-----------------------------------------
08/14/98 04:04p 182,272 msdadc.dll
08/14/98 04:01p 48,128 msdaenum.dll
08/14/98 03:40p 63,488 msdaer.dll
08/14/98 03:40p 15,360 msdaerr.dll
08/14/98 03:32p 14,336 msdaps.dll
08/14/98 03:44p 101,376 msdatt.dll
OLE DB Provider for ODBC Drivers
Date Time Size File name
-----------------------------------------
08/14/98 03:51p 688,128 msdasql.dll
08/14/98 03:52p 9,728 msdasqlr.dll
08/14/98 03:36p 171,520 msdatl2.dll
The QFE build affects two components of the MDAC 2.0 stack, OLE-DB Core components, and the OLE-DB Provider for ODBC Drivers.
NOTE: MDAC 2.0 Service Pack 1 is only intended for computer that have Windows NT 4.0 Service Pack 4 installed.
NOTE: Due to file dependencies, the most recent hotfix or feature that contains the above files may also
contain additional files.
Install the Hotfix
- Locate the MSDASQL.DLL on the target computer. This is usually located in the following directory:
c:\program files\common files\system\ole db
- Copy the zip file to the directory where MSDASQL.DLL was found.
- Unzip the file, and answer Yes to all overwrite questions.
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article. This bug was corrected in MDAC 2.1.