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You send email messages to certain Microsoft Exchange Server 2010 mailboxes. In this situation, the EdgeTransport.exe process on the Exchange Server 2010 server may crash. Additionally, the following events are logged in the Application log:

Note When this issue occurs, you cannot use the Get-Mailbox cmdlet or the Get-MailboxFolderStatistics cmdlet to obtain information about the corrupted mailboxes.


This issue occurs because certain mailboxes contain invalid entryIDs for default folders. When the invalid entryIDs are detected, an ArgumentException exception occurs in the EdgeTransport.exe process. Additionally, the exception is not handled.


To resolve this issue, install the following update rollup:

2529939 Description of Update Rollup 3 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.

More Information

For more information about the Get-Mailbox cmdlet, visit the following Microsoft website:

General information about the Get-Mailbox cmdletFor more information about the Get-MailboxFolderStatistics cmdlet, visit the following Microsoft website:

General information about the Get-MailboxFolderStatistics cmdlet

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