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Q269007: XADM: Issues While Running Multiple Link Monitor Sessions

Article: Q269007
Product(s): Microsoft Exchange
Version(s): winnt:5.5
Operating System(s): 
Keyword(s): exc55 kbExchange550preSP4fix kbExchange550sp4Fix
Last Modified: 10-NOV-2000

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The information in this article applies to:

- Microsoft Exchange Server, version 5.5 
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SYMPTOMS
========

When you run multiple link monitor sessions on Exchange Server computers,
multiple occurrences of the following event error message may be logged:

  Event ID: 1005
  Event Type: Error
  Event Source: MSExchangeAdmin
  Event Category: Monitoring
  Description:
  Unexpected error [0xc0040000 - The client operation failed. Microsoft Exchange
  Server Information Store ID no: 8004010f-0501-8004010f] occurred.
  OR
  Unexpected error [0xc0040000 - The MAPI call failed. MAPI or an unexpected
  service provider. ID no: 80004005-0000-00000000] occurred.
  OR
  Unexpected error [0xc0040000 - An unexpected, unknown error has occurred. MAPI
  or an unspecified service provider. ID no: 8004010f-0000-00000000] occurred.


CAUSE
=====

This issue can occur because the system attendant (Mad.exe) and the link
monitors (which run in the Exchange Server Administrator program) are
multithreaded, but the system attendant and the link monitors are not
synchronized across processes. Therefore, threads in the system attendant and
the Exchange Server Administrator program can pick up the same message at the
same time and process the message, and then both the system attendant and the
link monitors are designed to delete the message after they are finished. When a
thread generates the 1005 error message, the other process has marked the
message as "Used" and then deleted the message.

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.

MORE INFORMATION
================

The event ID 1005 error message may still be recorded in the application event
log, but this only occurs if either the information store or the directory
service is not available. That is a valid error case that should be recorded in
the application event log.


Additional query words:

======================================================================
Keywords          : exc55 kbExchange550preSP4fix kbExchange550sp4Fix 
Technology        : kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : winnt:5.5
Issue type        : kbbug
Solution Type     : kbfix

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