During an Exchange 2007 restore I was attempting to do a merge from the RSG into my target mailbox and ran into an error. The error occurs in the Application Event Log after the Exchange Wizard reports that the operation was successful. The error text is the following:
Source: Exchange Migration
Event ID: 1008
Category: Restore Mailbox
The restore-mailbox task for mailbox 'XXXX' failed.
Error: Failed to copy messages to the destination mailbox store with error:
The operation was cancelled.
As odd as this sounds the fix is to skip the wizard and run the same commands in the EMS (Exchange Management Shell) directly. Here is the syntax:
Restore-Mailbox -identity "Target Mailbox" -RSGDatabase "Recovery Storage Group\RSG Datastore" -RSGMailbox "Mailbox to be restored" -TargetFolder "Folder in -Identity to place data in" -BadItemLimit "Int32"