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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

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.
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.
RESOLUTION
To resolve this issue, install the following update rollup:
2685289 Description of Update Rollup 3 for Exchange Server 2010 Service Pack 2
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
MORE INFORMATION
For more information about accepted domains, go to the following Microsoft website:For more information about how to create an accepted domain, go to the following Microsoft website:
Properties

Article ID: 2667120 - Last Review: 05/29/2012 18:49:00 - Revision: 1.0

Microsoft Exchange Server 2010 Service Pack 2

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