BUG: Cannot Debug COM+ Application in Visual Basic IDE Under Windows XP (312280)


The information in this article applies to:

  • Microsoft COM+ 1.5, when used with:
    • the operating system: Microsoft Windows XP
This article was previously published under Q312280

SYMPTOMS

If you develop a Microsoft Visual Basic COM+ application and set the MTS Transaction Mode of the component to a value other than zero (0) in the Integrated Development Environment (IDE), you may receive the following error message:
Runtime error '430':
Class doesn't support Automation or does not support expected interface.
This problem only occurs in Windows XP if the component that you are debugging is not installed in a COM+ application.

RESOLUTION

To work around this problem, install the component in a COM+ application.

NOTE: This is fixed in XP hotfix described in Q317926. See the "References" section of this article.

STATUS

Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.

REFERENCES

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

317926 INFO: Availability of Windows XP COM+ Hotfix Rollup Package 1

Modification Type:MajorLast Reviewed:10/22/2002
Keywords:kbbug KB312280
©2002 Microsoft Corporation. All rights reserved.