Microsoft KB Archive/317932

= OLE32 Unmarshal Fails for BizTalk Server Schedule Client =

Article ID: 317932

Article Last Modified on 11/15/2007

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APPLIES TO


 * Microsoft COM+ 1.5, when used with:
 * Microsoft Windows XP Professional

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This article was previously published under Q317932



SYMPTOMS
When a late binding COM+ or Distributed Component Object Model (DCOM) client (such as a BizTalk Server schedule client) calls a COM+ or DCOM server, the COM+ or DCOM server returns error 0x8004D091 (CALLFRAME_E_COULDNTMAKECALL).



CAUSE
This problem occurs because the ICallFrame::Unmarshal method does not completely fill out the MIDL_STUB_MESSAGE structure that the method passes into the Network Data Representation (NDR) functions. Therefore, under a particular marshalling path, the stub may believe that there is not enough information in the buffer to unmarshall a type. This causes the bad stub data exception.



RESOLUTION
To resolve this problem, obtain Microsoft XP COM+ Hotfix Rollup 1. 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

A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support



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

Additional query words: kbWinXPpreSP1COMRollup1Fix marshaled marshaling

Keywords: kbbug kbfix kbqfe kbhotfixserver KB317932

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