DOCUMENT:Q178378 08-MAY-2002 [exchange] TITLE :XFOR: IMS Doesn't Send NDR for Messages Passed From Custom DLL PRODUCT :Microsoft Exchange PROD/VER::5.0,5.5 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, versions 5.0, 5.5 ------------------------------------------------------------------------------- SYMPTOMS ======== The Microsoft Exchange Server Internet Mail Service does not send a non- delivery report (NDR) on a message it has passed from a custom routing .Dll file with DISP_NDR_ORIG. The message may be delivered to the mailbox and the following event ID recorded: Event id 2078 from MSExchangeIS Private Category: Transfer Out Of Gateway Description: Unable to submit, send or transfer out a message. Check PR_DELIVERY_TIME, PR_NDR_REASON, PR_NON_DELIVERY_DIAGNOSTIC. CAUSE ===== The Microsoft Exchange Server Internet Mail Service will attempt to resolve the name and deliver the message if a valid address is available in the message. If the address in the recipient list is not valid, the message transfer agent (MTA) will send an NDR. If the address is resolved, then the MTA will attempt to deliver the message. RESOLUTION ========== STATUS ====== Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.0. This problem has been corrected in Microsoft Exchange Server version 5.0 Service Pack 2. Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem has been corrected in Microsoft Exchange Server version 5.5 Service Pack 1. For information on obtaining Service Packs, query on the following word in the Microsoft Knowledge Base (without the spaces): S E R V P A C K Additional query words: imc ims ====================================================================== Keywords : Technology : kbExchangeSearch kbExchange500 kbExchange550 kbZNotKeyword2 Version : :5.0,5.5 Issue type : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2002.