The Dllhost.exe process crashes if you pass by value a user-defined type that contains a BSTR type
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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:
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.
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:
FIX: Availability of Windows 2000 Post-Service Pack 4 COM+ 1.0 Hotfix Rollup Package 28
Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section of this article.
Article ID: 829201 - Last Review: 01/17/2015 05:23:55 - Revision: 1.2
Microsoft COM+ 1.0
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