You experience the following symptoms on a computer that is running Microsoft Exchange Server 2007:
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If you try to mount a mailbox database or if you try to mount a public folder database, you experience the following symptoms:
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You receive an error message that resembles the following:
Failed to mount database 'Mailbox Database'
Mailbox Database Error: Exchange is unable to mount the database that you specified. Specified database: d1cdba46-6f79-46f2-ba14-3ae2fa8aad43; Error code: MapiExceptionCallFailed: Unable to mount database. (hr=0x80004005,ec=-2147467259).
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The following events are logged in the Application log:
Event ID 9519
Event Type: Error Event Source: MSExchangeIS Event Category: General Event ID: 9519 Date: date Time: time User: N/A Computer: ServerName Description: Error 0x80004005 starting database "First Storage Group\Mailbox Database" on the Microsoft Exchange Information Store.