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The MSExchangeMailboxAssistants.exe process crashes when the managed folder assistant tries to journal a message in an Exchange Server 2007 environment

Consider the following scenario. You schedule the managed folder assistant to run in a Microsoft Exchange Server 2007 environment. Then, the managed folder assistant tries to journal a message that is larger than the maximum submission size. In this scenario, the Microsoft Exchange Mailbox Assistants service (MSExchangeMailboxAssistants.exe) crashes. Additionally, the following event is logged in the Application log:

Log Name: Application
Source: MSExchange Assistants
Event ID: 9040
Task Category: Assistants
Level: Error
Keywords: Classic
Service MSExchangeMailboxAssistants. An error has been detected due to this exception: <exception details>.

This issue occurs because the Store.exe process fails, and generates a 0x4DA (ecMaximumSubmissionExceeded) error when the MSExchangeMailboxAssistants.exe process tries to submit the message to the Store.exe process.
To resolve this issue, install the following update rollup:
2509911 Description of Update Rollup 4 for Exchange Server 2007 Service Pack 3
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about how to schedule the managed folder assistant, visit the following Microsoft website:

Article ID: 2515428 - Last Review: 07/07/2011 14:27:00 - Revision: 1.0

  • Microsoft Exchange Server 2007 Service Pack 3
  • kbqfe kbfix kbexpertiseinter kbsurveynew kbhotfixrollup KB2515428