The Exchange Mailbox Replication service crashes when you use the "New-MailboxImportRequest" command to import a PST file to an Exchange Server 2010 mailbox

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Article ID: 2458005 - View products that this article applies to.
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Consider the following scenario:
  • ou use the New-MailboxImportRequest command to import a .pst file to a mailbox in a Microsoft Exchange Server 2010 Service Pack 1 (SP1) environment.
  • An item in the .pst file has a string that contains invalid XML characters. 
In this scenario, the Microsoft Exchange Mailbox Replication service crashes. Additionally, the following event is logged on the Client Access server:

Log Name: Application
Source: MSExchange Common
Event ID: 4999
Task Category: General
Level: Error
Watson report about to be sent for process id: <process ID>, with parameters: E12, <build type>, <version number>, MSExchangeMailboxReplication, M.Exchange.PST, M.E.P.Attachment..ctor, System.NullReferenceException, c16e, <version number>. ErrorReportingEnabled: False 


To resolve this issue, install the following update rollup:
2425179 Description of Update Rollup 2 for Exchange Server 2010 Service Pack 1


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


For more information about the New-MailboxImportRequest command, visit the following Microsoft website:
General information about the New-MailboxImportRequest command


Article ID: 2458005 - Last Review: December 14, 2010 - Revision: 1.0
  • Microsoft Exchange Server 2010 Service Pack 1, when used with:
    • Microsoft Exchange Server 2010 Enterprise
    • Microsoft Exchange Server 2010 Standard
kbqfe kbfix kbexpertiseinter kbsurveynew kbhotfixrollup KB2458005

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