You receive a "WMS idle: lsmexout.exe - application error" error message, and the Exchange Connector for Lotus Notes unexpectedly quits in Exchange Server 5.5 or in Exchange Server 2003

This article has been archived. It is offered "as is" and will no longer be updated.
On a computer that is running Microsoft Exchange Server 5.5 or Microsoft Exchange Server 2003, and where you have installed the Microsoft Exchange Connector for Lotus Notes, you may experience all the following symptoms:
  • The Microsoft Exchange Connector for Lotus Notes service unexpectedly quits.
  • You receive the following error message:
    WMS Idle: lsmexout.exe - Application Error

    The instruction at "0x780104ac" referenced memory at "0x010d1000". The memory could not be "read".
  • The Microsoft Exchange Information Store service (Store.exe) process consumes up to 100 percent of CPU usage. In this scenario, the Microsoft Exchange Information Store service may stop responding.
  • Log files from the Microsoft Exchange Connector for Lotus Notes may contain event ID 31202 messages with unreadable event descriptions. For example, event ID 31202 may be logged with a description that is similar to the following:


This problem occurs because of a code defect in the Exchange Server Linkage Message Exchange (Lsmexif.dll ) library.

Exchange Server 2003

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Exchange Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
836993 How to obtain the latest service packs for Exchange Server 2003

Exchange Server 5.5

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site: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.


Because of file dependencies, you must be running Exchange Server 5.5 Service Pack 4 (SP4) to install this hotfix. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
191014 How to obtain the latest Exchange Server 5.5 service pack

Restart requirement

You do not have to restart your computer after you apply this hotfix. However, the Exchange Notes Connector and the Microsoft Exchange Calendar Connector are automatically stopped and then restarted when you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version            Size    File name   --------------------------------------------------------------   01-Dec-2004  22:05  5.5.2658.26       214,800  Lsntshc.dll         01-Dec-2004  22:05  5.5.2658.26       208,144  Ctreestd.dll        01-Dec-2004  22:06  5.5.2658.26        44,816  Dispatch.exe        01-Dec-2004  22:08  5.5.2658.26       106,256  Dxagwise.dll        01-Dec-2004  22:07  5.5.2658.26        59,152  Dxamex.dll          01-Dec-2004  22:07  5.5.2658.26        72,464  Dxanotes.dll        01-Dec-2004  22:17  5.5.2658.26        49,936  Dxasnads.dll        01-Oct-2002  22:57                  2,930,240  Eab.dxa   01-Dec-2004  22:06  5.5.2658.26       285,456  Exconmsg.dll        01-Dec-2004  22:08  5.5.2658.26        42,256  Gw2mex.exe          01-Dec-2004  22:08  5.5.2658.26       125,200  Gwhc.dll            02-Dec-2004  00:13  5.5.2658.26       400,144  Gwrouter.exe        01-Dec-2004  22:05  5.5.2658.26       178,448  Lscms.dll           01-Dec-2004  22:13  5.5.2658.26        19,216  Lsdiajcl.exe        01-Dec-2004  22:14  5.5.2658.26        68,880  Lsdiamex.exe        01-Dec-2004  22:14  5.5.2658.26        57,616  Lsdiavm.exe         01-Dec-2004  22:07  5.5.2658.26        32,016  Lsdxa.exe           01-Dec-2004  22:05  5.5.2658.26        22,800  Lsldew.dll          01-Dec-2004  22:14  5.5.2658.26        72,464  Lsmexdia.exe        01-Dec-2004  22:05  5.5.2658.26       153,360  Lsmexhc.dll         01-Dec-2004  22:05  5.5.2658.26       281,360  Lsmexif.dll         01-Dec-2004  22:07  5.5.2658.26        14,608  Lsmexin.exe         01-Dec-2004  22:07  5.5.2658.26        37,648  Lsmexnts.exe        01-Dec-2004  22:05  5.5.2658.26       214,800  Lsntshc.dll         01-Dec-2004  22:08  5.5.2658.26        48,912  Lsntsmex.exe        01-Dec-2004  22:11  5.5.2658.26        96,528  Lsqview.dll         01-Dec-2004  22:14  5.5.2658.26        22,800  Lsvmdia.exe         01-Dec-2004  22:13  5.5.2658.26       140,048  Lsvmhc.dll          01-Dec-2004  22:08  5.5.2658.26        52,496  Lsxfm.dll           01-Dec-2004  22:08  5.5.2658.26        34,064  Mex2gw.exe          02-Dec-2004  00:35  5.5.2658.26        72,976  Mlmignts.dll        01-Dec-2004  22:07  5.5.2658.26        15,120  Ntsperf.dll         01-Dec-2004  22:05  5.5.2658.26        16,656  Ntspxgen.dll        01-Oct-2002  22:57                  2,928,160  Psab.dxa
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This problem was first corrected in Microsoft Exchange Server 2003 Service Pack 2.
More information
For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
817903 New naming schema for Exchange Server software update packages

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Article ID: 889316 - Last Review: 10/26/2013 07:37:00 - Revision: 4.0

  • Microsoft Exchange Server 5.5 Standard Edition
  • kbnosurvey kbarchive kbexchange550presp5fix kbbug kbfix kbqfe kbhotfixserver KB889316