DOCUMENT:Q177328 12-JUL-2000 [exchange] TITLE :XFOR: MTA Terminates Unexpectedly with Event ID 2051 and 9405 PRODUCT :Microsoft Exchange PROD/VER:winnt:5.0 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, version 5.0 ------------------------------------------------------------------------------- SYMPTOMS ======== The Microsoft Exchange Server message transfer agent (MTA) may terminate unexpectedly with the following sequence of events recorded in the Windows NT Server Event Viewer Application log: Event ID: 2051 Source: MSExchangeMTA Internal Processing Description: A fatal internal MTA error occurred. Contact Microsoft Technical Support. An illegal GET from element 5CF03901 occurred at offset 1. [BASE XFER-IN 23 70] (16) Event ID: 9405 Source: MSExchangeMTA Field Engineering Description: An unexpected error has occurred which may cause the MTA to terminate. Error: Exception 0xe0050803 occurred at Address 0x77f1cd91. [BASE XFER-IN 23] (16) CAUSE ===== The MTA may experience a performance problem expanding extremely large distribution lists. The problem can also be triggered if the Recipient Name field being transferred into the MTA is larger than the buffer space available. STATUS ====== Microsoft has confirmed this to be a problem in Microsoft Exchange Server, version 5.0. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 5.0. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces): S E R V P A C K MORE INFORMATION ================ If an older version of Exchsrvr\mtadata\Dbserver.sch is written over the version supplied in this hotfix, the MTA will crash and log the 2051 errors listed above. Additional query words: ASN.1 X400 ====================================================================== Keywords : Technology : kbExchangeSearch kbExchange500 kbZNotKeyword2 Version : winnt:5.0 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 2000.