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MSExchangeAutodiscoverAppPool application pool crashes on an Exchange Server 2010 Client Access server when you try to view the free/busy information about a user in a trusted domain

View products that this article applies to.

Symptoms

Consider the following scenario:
  • You create an accepted domain in a Microsoft Exchange Server 2010 environment.
  • You use a wildcard character (*) in the Accepted Domain field to accept messages for both a domain, and for a remote trusted domain.
  • You try to view the calendar information or the free/busy information about a user who is in a different domain.
In this scenario, the MSExchangeAutodiscoverAppPool application pool crashes on the Exchange Server 2010 Client Access server. Additionally, the following events are logged in the Application log:
Log Name: Application
Source: MSExchange Common
Date: Date
Event ID: 4999
Task Category: General
Level: Error
Keywords: Classic
User: N/A
Computer: Computer
Description:
Watson report about to be sent for process id: Process ID, with parameters: E12, Build Type, Version Number, AutoDisc, unknown, M.E.D.D.S.D.<>c__DisplayClass5.FullUpdateb__4, System.ArgumentNullException, XXXX, unknown.
ErrorReportingEnabled: False


Log Name: System
Source: Microsoft-Windows-WAS
Date: Date
Event ID: 5009
Task Category: None
Level: Warning
Keywords: Classic
User: N/A
Computer: Computer
Description:A process serving application pool 'MSExchangeAutodiscoverAppPool' terminated unexpectedly. The process id was 'Process ID'. The process exit code was 'Exit code'.


Log Name: System
Source: Microsoft-Windows-WAS
Date: Date
Event ID: 5011
Task Category: None
Level: Warning
Keywords: Classic
User: N/A
Computer: Computer
Description:A process serving application pool 'MSExchangeAutodiscoverAppPool' suffered a fatal communication error with the Windows Process Activation Service. The process id was 'Process ID'. The data field contains the error number.

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Cause

This issue occurs because the domain cache does not support an accepted domain that contains a wildcard character. When the Exchange Server 2010 Client Access server processes a request for an accepted domain that contains a wildcard character, an exception is thrown.

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Resolution

To resolve this issue, install the following update rollup:
2685289 Description of Update Rollup 3 for Exchange Server 2010 Service Pack 2

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More Information

For more information about accepted domains, go to the following Microsoft website:
General information about accepted domains
For more information about how to create an accepted domain, go to the following Microsoft website:
How to create an accepted domain

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Keywords: kbqfe, kbfix, kbsurveynew, kbexpertiseinter, kb

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Article Info
Article ID : 2667120
Revision : 1
Created on : 1/7/2017
Published on : 5/29/2012
Exists online : False
Views : 345