Microsoft KB Archive/189270

= XFOR: 4.0 Server Cannot Process Encapsulated Delivery Receipts =

Article ID: 189270

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q189270





SYMPTOMS
If a message is sent from a Microsoft Exchange Server 4.0 computer to an Exchange Server 5.0 or 5.5 computer through the Internet Mail Connector or Internet Mail Service and a delivery receipt is requested, the delivery receipt may not be received, even though it is sent by the 5.0 or 5.5 server. When the delivery receipt is sent, the following event appears in the event log on the 4.0 server:   Event: 4082 Description: The following message is a report from another Microsoft Exchange Server computer; the report could not be decoded. Note that this problem only occurs under the following conditions:
 * The 4.0 server and the 5.0 or 5.5 server are in different sites. Therefore, a site is included in the Simple Mail Transfer Protocol (SMTP) address ( @ . .com).
 * You are running Build 1461.6 or later of the Internet Mail Connector on the 5.0 server or Build 2186.0 or later of the Internet Mail Service on the 5.5 server.



CAUSE
Later builds of the Internet Mail Connector and Internet Mail Service encapsulate the Request for Comments (RFC) 821 recipient information in the delivery receipt before it is sent. The Exchange Server 4.0 Internet Mail Connector cannot process delivery receipts that are formatted in this manner.



RESOLUTION
A supported fix that corrects this problem is now available from Microsoft, but has not been fully regression tested and should be applied only to systems experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

The English version of this fix should have the following file attributes or later:

Component: Internet Mail Connector

  File Name      Version Msexcimc.exe  4.0.997.1



STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 4.0.



MORE INFORMATION
For additional information about the fixes that cause later builds of the Internet Mail Connector and Internet Mail Service to encapsulate the RFC 821 recipient information in delivery receipts, please see the following article in the Microsoft Knowledge Base:

178436 Looping Messages over Internet Mail Service Site Connector

Keywords: kbbug kbfix kbqfe KB189270

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