A new installation of Exchange Server 2007 may fail to mount the initial mailbox database and any other newly created mailbox databases.
MapiExceptionCallFailed ec=-2147467259 Mounting Exchange Server 2007 Mailbox Database
Causes of MapiExceptionNotAuthorized Error Sending to Public Folders
In some scenarios a mailbox user sending emails to a mail-enabled Public Folder may receive an undeliverable message with a reason of “MapiExceptionNotAuthorized”.
How to Migrate Public Folders from Exchange 2003 to Exchange 2007
How to migrate Exchange public folders from one Exchange Server 2003 server to two Exchange Server 2007 servers.
The Ultimate Exchange Server 2007 Toolkit
Make sure you always have the essential tools you need for working with Exchange Server 2007 by downloading my toolkit.
Exchange 2007 Incorrectly Reports Elapsed Time for Very Long Mailbox Moves
Amusing bug in the elapsed time reported on very long mailbox move operations in the Exchange 2007 Mailbox Move wizard.
Should You Migrate from Exchange Server to Google Apps?
With Google’s release of their Google Apps Migration for Microsoft® Exchange tool has Google Apps becoming the sensible option for migrating away from Microsoft Exchange?

