DOCUMENT:Q288722 22-JUL-2002 [exchange] TITLE :Non-Delivery Reports with Event ID 2025 Error Code BB8 or 50A PRODUCT :Microsoft Exchange PROD/VER::5.5 OPER/SYS: KEYWORDS:kbExchange550preSP5fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, version 5.5 ------------------------------------------------------------------------------- SYMPTOMS ======== When you send messages with attachments on a server running a third-party antivirus product that uses the Exchange Antivirus application programming interface (API), you may receive non-delivery reports (NDRs) that contain the following information: - Reason code = transfer-failure - Diagnostic code = invalid-arguments Also, an event ID 2025 error message from "MSExchangeIS Private" that contains the following text may be logged in the Application event log: The delivery of a message failed due to error BB8 (or 50A). A non-delivery report is being sent to the message's originator. CAUSE ===== This problem can occur if a user (user1) has an autoforward rule to another user (user2), and a message with an attachment is sent to both users (user1 and user2). User2 receives two messages, and the attachment needs to be scanned two times by the third-party product. RESOLUTION ========== A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Microsoft Exchange Server 5.5 service pack that contains this fix. To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site: http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The English version of this fix should have the following file attributes or later: Component: Information store +-------------------------+ | File name | Version | +-------------------------+ | Store.exe | 5.5.2654.61 | +-------------------------+ NOTE: Because of file dependencies, this fix requires Microsoft Exchange Server version 5.5 Service Pack 4. STATUS ====== Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5. Additional query words: avapi ndr 0000050a 00000bb8 vapi ====================================================================== Keywords : kbExchange550preSP5fix Technology : kbExchangeSearch kbExchange550 kbZNotKeyword2 Version : :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.