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Article ID: 127734 - Last Review: November 21, 2006 - Revision: 5.2
How to make sure that the ODBC.DLL and the ODBCCURS.DLL have the same cursor level in Visual C++
This article was previously published under Q127734
The ODBC Driver Manager and the Cursor Library must have
the same cursor level. ODBC.DLL and ODBCCURS.DLL are the corresponding files in
16-bit Windows. ODBC32.DLL and ODBCCR32.DLL are the corresponding files in
32-bit Windows.
Attempting to use these dynamic link libraries with
mismatched cursor levels will cause the cursor library to fail to load. If the
cursor library fails to load, the recordset will be a forward-only, read-only
recordset. The following message may appear in the trace output when this
condition exists:
Cursor library not used. Version
mismatch with driver manager
State:01000[Microsoft][ODBC DLL]
In some older versions of ODBC.DLL, this message may not appear even if the
Driver Manager and Cursor Library do not match.
To make sure that the Driver Manager and Cursor Library have
the same cursor level:
- Open File Manager and go to the \WINDOWS\SYSTEM
subdirectory.
- Highlight the file ODBC.DLL (or ODBC32.DLL) and press
ALT+ENTER or choose Properties from the File menu.
- In the Version Information section of the dialog box that
appears, select cursor level and note the level indicated.
- Follow steps 1 through 3 for the ODBCCURS.DLL (or
ODBCCR32.DLL) file. If the cursor levels are not the same, the Driver Manager
and Cursor Library do not match.
What to do If the Driver Manager and Cursor Library do not match
If the Driver Manager and the Cursor Library do not match,
reinstall the latest version of Microsoft Data Access Components (MDAC) from
the following Microsoft Web site:
If the cursor level for the Driver Manager and Cursor Library do
match, but the trace message listed earlier in this section still appears in the output, check to
make sure that an older version of the DLLs are not anywhere in the path of the
program. You can also use the Component Checker Utility to verify MDAC
installation. For more information on
Component Checker, click the following article number to view the article in
the Microsoft Knowledge Base:
307255Â
(http://kbalertz.com/Feedback.aspx?kbNumber=307255/
)
Component Checker: Diagnose problems and reconfigure MDAC installations
APPLIES TO
- Microsoft Foundation Class Library 4.2, when used with:
- Microsoft Visual C++ 1.5 Professional Edition
- Microsoft Visual C++ 1.51
- Microsoft Visual C++ 1.52 Professional Edition
- Microsoft Visual C++ 2.0 Professional Edition
- Microsoft Visual C++ 2.1
- Microsoft Visual C++ 2.2
- Microsoft Visual C++ 4.1 Subscription
- Microsoft Visual C++ 4.2 Enterprise Edition
- Microsoft Visual C++ 4.2 Professional Edition
- Microsoft Visual C++ 5.0 Enterprise Edition
- Microsoft Visual C++ 5.0 Professional Edition
- Microsoft Visual C++ 6.0 Enterprise Edition
- Microsoft Visual C++ 6.0 Professional Edition
- Microsoft Visual C++, 32-bit Learning Edition 6.0
- Microsoft Data Access Components 1.5
- Microsoft Data Access Components 2.0
- Microsoft Data Access Components 2.1
- Microsoft Data Access Components 2.5
- Microsoft Data Access Components 2.6
- Microsoft Data Access Components 2.7
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