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Exchange 2003 Public Folder migration to Office 365

Posted on 2013-10-23
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Last Modified: 2014-06-09
Hello,

I have a prospective client who recently converted from an in-house Exchange 2003 server using Outlook 2010 clients to Office 365.   On Exchange 2003 they relied heavily on Public Folders.  At the time of the migration to Office 365 they were told that the Public Folders could not be imported and weren't yet supported by MSFT, so the IT vendor at the time exported the PF's to PST's and since then they have been using them locally...which is obviously not very efficient as they lost the ability to share the PF's.  I am unfamiliar with Office 365, and was wondering if someone could tell me if MSFT now supports the import of legacy public folders, and if so, is there any size or # restricitions?  Thanks in advance for your help!
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Question by:jcorsoomni
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Vasil Michev (MVP) earned 500 total points
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You can't migrate from Exchange 2003. You need to upgrade to at least 2007 SP3

You can’t migrate public folders directly from Exchange 2003. If you’re running Exchange 2003 in your organization, you must move all public folder databases and replicas to Exchange 2007 SP3 RU10 or later. No public folder replicas can remain on Exchange 2003.

All the other details can be found in this article:

http://technet.microsoft.com/en-us/library/jj983799(v=exchg.150).aspx
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