Microsoft KB Archive/269158

From BetaArchive Wiki
Knowledge Base

XCON: Message Transfer Agent Stops Responding in emsmta!onpugtck

Article ID: 269158

Article Last Modified on 10/26/2006


  • Microsoft Exchange Server 5.5 Standard Edition
  • Microsoft Exchange Server 5.5 Service Pack 1
  • Microsoft Exchange Server 5.5 Service Pack 2
  • Microsoft Exchange Server 5.5 Service Pack 3

This article was previously published under Q269158


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


This issue can occur if a new message is inbound to the MTA and the index for the message is exceeded.


To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack


Microsoft has confirmed that this is 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: kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbqfe KB269158