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PRB: Run-Time Error Message 430 with ADO Redistributed Application

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Symptoms

When an ADO application is redistributed, it produces the following run-time error on the user's computer:
Run-time Error 430
Class does not support automation or does not support expected interface.

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Cause

The application references one version of ADO and redistributes a different version of ADO.

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Resolution

Install the correct version of MDAC on the user's computer and change the installation program to redistribute the correct version.

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Status

This behavior is by design.

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More information

The Recordset object interface changed between MDAC versions 2.0 and 2.1. Therefore, if the application opens a Connection or Command object, this should succeed.

The latest version of MDAC can be downloaded from:
http://msdn.microsoft.com/en-us/data/aa937729.aspx
NOTE: There have been changes in the Recordset object interface between MDAC 2.1 and 2.5 as well.

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Keywords: KB248404, kbprb

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Article Info
Article ID : 248404
Revision : 6
Created on : 11/3/2003
Published on : 11/3/2003
Exists online : False
Views : 399