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For Mailbox Restore to function, Microsoft Exchange MAPI and CDO must be installed on the server. These are present by default on Microsoft Exchange Server 2003. For Exchange 2007 or later, they can be downloaded from the following link:
httphttps://wwwupdates.microsoftmacrium.com/en-us/download/details.aspx?id=42040Exchange/ExchangeMapiCdo.zip
To restore an email using Mailbox Restore, the edition of Microsoft Exchange running on the target server must be the same as the original server. An email backed up on a server running Exchange Server 2007, for example, can be restored onto other servers running Exchange 2007, but not to a server running Exchange 2010.
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