When you use Microsoft Exchange Server 2010 Outlook Web App (OWA), you cannot view public folders that reside on a computer that is running Exchange Server 2003 or Exchange Server 2007. Additionally, you receive the following error message:
The public folder you're trying to access couldn't be found. For more information, contact your helpdesk.
This issue occurs because all the following are true:
To resolve this issue, you must replicate the public folder content from Exchange Server 2003 or from Exchange Server 2007 to Exchange Server 2010.
How to replicate the content of a single public folder
You can use Exchange Server 2003 or Exchange Server 2007 to create a replica of a single public folder on Exchange Server 2010. To do this, follow these steps:
How to replicate all public folder content to Exchange Server 2010
If you want to replicate all public folders from Exchange Server 2003 or from Exchange Server 2007 to Exchange Server 2010, follow these steps:
In Exchange Server 2010, when a mailbox resides on Exchange Server 2003 or on Exchange Server 2007, the OWA user receives the Exchange Server 2003 OWA or the Exchange Server 2007 OWA experience. However, when the user's mailbox is homed on Exchange Server 2010, no requests are proxied to Exchange Server 2003 or to Exchange Server 2007 for public folders information. Only the Exchange Server 2010 OWA experience is available.
Article ID: 2008946 - Last Review: 08/09/2011 19:21:00 - Revision: 8.0
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