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You experience the following symptoms after you use the Import-Mailbox cmdlet to import data to a mailbox in Microsoft Exchange Server 2007 Service Pack 1.
In Microsoft Outlook, users cannot see the free/busy information for the mailbox to which you imported data.
In Outlook Web Access, you use the Address Book feature to find the user of the mailbox to which you imported data, and then you click that mailbox user. Then, you receive the following error message:
Exchange Server returned unknown error (440)
Additionally, the MSExchangeOWAAppPool application pool crashes, and the following events are logged in the Application log.
Event ID 4999
Event Type: Error Event Source: MSExchange Common Event Category: General Event ID: 4999 Description: Watson report about to be sent to dw20.exe for process id: Process Id, with parameters: E12IIS, Processor.Version, OWA, M.E.D.Storage, M.E.D.S.Folder.InternalBind[T], System.ArgumentException, 6e81, 08.01.0240.005. ErrorReportingEnabled: False
Event ID 1011
Event Type: Warning Event Source: W3SVC Event Category: None Event ID: 1011 Description: A process serving application pool 'MSExchangeOWAAppPool' suffered a fatal communication error with the World Wide Web Publishing Service. The process id was 'Process Id'. The data field contains the error number.
Event ID 1002
Event Type: Error Event Source: W3SVC Event Category: None Event ID: 1002 Description: Application pool 'MSExchangeOWAAppPool' is being automatically disabled due to a series of failures in the process(es) serving that application pool.
Note These events are raised because Internet Information Service automatically starts a new instance of the W3wp.exe process to host the Exchange Server 2007 Outlook Web Access Web service.
This problem occurs because the PR_IPM* EntryID fields in the Inbox do not match the PR_ENTRYID EntryID fields of the folders that are associated with the items. The Import-Mailbox cmdlet copies the PR_IPM* EntryID fields from the .pst file. However, the PR_ENTRYID EntryID fields on the folders are not updated.
To resolve this problem, install Update Rollup 2 for Microsoft Exchange Server 2007 Service Pack 1. For more information about Update Rollup 2 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic: