FIX: Access Violation in COM+ Library Application

When a Component Object Model (COM) component is installed in COM+ as a library application and includes the following features:

• Two interfaces (IXXX and IYYY) that are defined in one type library file named YYY.tlb.
• A third interface (IZZZ) that is defined in a second type library file.
• IZZZ is derived from IYYY, and the IDL file for the IZZZ interface contains the following code:

  importlib("<I>YYY</I>.tlb");
  					

you may receive an Access Violation when the client application uses the IZZZ interface.

The COM+ interceptor code uses the wrong typeinfo when it references the interface.

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 2.