Although public folder mailboxes solve a number of problems that have persisted for years and has relieved some significant administrative pain points, the transition also created some problems for Exchange admins. This whitepaper details why anyone who is planning to upgrade from a pre-Exchange 2013 version of Exchange to a more current version or to Office 365 will have to rethink their approach to public folder storage and management.
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Two migration challenges.
Coping with complexity.
The Public Folder Migration and Synchronization Manager for Office 365 and Exchange.