PRB: Improper Installation of MDAC May Return Error Message "Method '~' of Object '~' Failed" at Run Time with ADO Application (255986)
The information in this article applies to:
- Microsoft Data Access Components 2.1
- Microsoft Data Access Components 2.1 (GA)
- Microsoft Data Access Components 2.1 SP1
- Microsoft Data Access Components 2.1 SP2
- Microsoft Data Access Components 2.5
- Microsoft Data Access Components 2.6
- Microsoft Data Access Components 2.7
- Microsoft Data Access Components 2.8
- Microsoft Visual Basic Professional Edition for Windows 5.0
- Microsoft Visual Basic Professional Edition for Windows 6.0
- Microsoft Visual Basic Enterprise Edition for Windows 5.0
- Microsoft Visual Basic Enterprise Edition for Windows 6.0
This article was previously published under Q255986 SYMPTOMS When you attempt to run simple ActiveX Data Objects (ADO)
code in an application, the following error can occur:
"Method '~' of Object '~' Failed" CAUSE The most common cause for this error is mismatched DLL
files with Microsoft Data Access Components (MDAC). RESOLUTION To work around this problem:
- Make sure to install the appropriate Mdac_type.exe file
that matches the same version you developed with your application. You can find
the file at:
- If you are using a Microsoft Windows 9x computer, install
the latest DCOM version from:
- If you are deploying this application, be sure to use the
Package and Deployment Wizard and distribute the correct Mdac_typ.exe file
version. Also make sure that the computer is restarted after MDAC installation
unless you are explicitly implementing a silent install.
- If you are still having problems, obtain the Component
Checker to remove MDAC and install it again. The Component Checker can be
obtained at:
MORE INFORMATION Although this error has not been consistently reproduced,
the items in the "Resolution" section appear to be effective in correcting the
problem.
The preceding error is only one of the ways that mismatched
DLLs may manifest themselves. A different error may occur. The component
checker mentioned in the Resolution section will help determine if there are
mismatched DLLs. REFERENCESFor additional information regarding MDAC installation, click
the article numbers below to view the articles in the Microsoft Knowledge Base:
232060 HOWTO: MDAC Setup Troubleshooting Guide
217754 HOWTO: Control Which MDAC Version the Package and Deployment Wizard (PDW) Distributes
| Modification Type: | Minor | Last Reviewed: | 11/3/2003 |
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| Keywords: | kbprb KB255986 |
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