DOCUMENT:Q269158 10-NOV-2000 [exchange] TITLE :XCON: Message Transfer Agent Stops Responding in emsmta!onpugtck PRODUCT :Microsoft Exchange PROD/VER::5.5,5.5 SP1,5.5 SP2,5.5 SP3 OPER/SYS: KEYWORDS:exc55 kbExchange550preSP4fix kbExchange550sp4Fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, versions 5.5, 5.5 SP1, 5.5 SP2, 5.5 SP3 ------------------------------------------------------------------------------- SYMPTOMS ======== The Exchange Server message transfer agent (MTA) may stop responding in emsmta!onpugtck and may generate the following stack trace: ChildEBP RetAddr Args to Child 0503fdd8 0054c79b 0203a008 ffff8f93 0503fe00 emsmta!onpugtck+0x6c 0503fdf8 00406ef0 00000001 0503fe40 ffff8f93 emsmta!oppkaget+0x55 0503fe48 00551717 0000001c 00000c2c ffff8f93 emsmta!ospadeco+0x12d 0503fe84 005519c8 00000000 00000c2c 0000001c emsmta!oppprcp+0xb7 0503febc 00564fe3 0000001c 0069932c 01f0efc0 emsmta!oppprcv+0x21a 0503fed4 0055d1e3 0000001c 0069932c 01f51d00 emsmta!oppssout+0x62 0503ff08 00564174 0000001c 0069932c 01f0efc0 emsmta!oppsstdt+0x291 0503ff30 00565a9b 01f0f940 01f51d00 01f0efc0 emsmta!oppssprc+0x97 0503ff60 004ac21c 0000001c 00000460 00e6fe48 emsmta!oppsitps+0xcf 0503ff8c 00435c86 00e6fe48 77f90184 0000001c emsmta!oppsin+0x253 0503ffb8 77f04f3e 0000001c 00e6fe48 77f90184 emsmta!sbpiwbep+0x57 CAUSE ===== This issue can occur if a new message is inbound to the MTA and the index for the message is exceeded. RESOLUTION ========== To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, please see the following article in the Microsoft Knowledge Base: Q191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack STATUS ====== Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 4. Additional query words: dat x400 ====================================================================== Keywords : exc55 kbExchange550preSP4fix kbExchange550sp4Fix Technology : kbExchangeSearch kbExchange550 kbZNotKeyword2 kbExchange550SP1 kbExchange550SP2 kbExchange550SP3 Version : :5.5,5.5 SP1,5.5 SP2,5.5 SP3 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.