The Dllhost.exe process crashes if you pass by value a user-defined type that contains a BSTR type (829201)


The information in this article applies to:

  • Microsoft COM+ 1.0, when used with:
    • the operating system: Microsoft Windows 2000

SYMPTOMS

The Dllhost.exe process crashes if the following conditions are true:
  • A Microsoft COM+ component has a method with user-defined type as a parameter and the parameter is being passed by value.
  • The user-defined type contains a SAFEARRAY type that contains BSTR types.
  • The COM+ Hotfix Rollup Package 22 has been installed. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

    328924 Availability of the Windows 2000 Post-Service Pack 3 COM+ Hotfix Rollup Package 22

When these conditions exist, an access violation may occur when this COM+ component method is called, and the Dllhost.exe process dies.

RESOLUTION

How to obtain the hotfix

This issue is fixed in the Windows 2000 Server COM+ 1.0 Hotfix Package 28. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

828748 FIX: Availability of Windows 2000 Post-Service Pack 4 COM+ 1.0 Hotfix Rollup Package 28

STATUS

Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section of this article.
Modification Type:MinorLast Reviewed:11/8/2004
Keywords:kbQFE kbfix kbbug kbWin2000preSP5fix KB829201 kbAudDeveloper
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