An Exchange Server 2010 user unexpectedly uses a public folder server that is located far away or on a slow network

Consider the following scenario:
  • You deploy some public folder databases in a Microsoft Exchange Server 2010 environment, and the environment contains multiple Active Directory sites.
  • A user’s mailbox is located on a Mailbox server that has no public folder databases.
  • The user tries to retrieve the public folder hierarchy or the public folder content.
  • The default public folder server is unavailable.
In this scenario, Exchange Server 2010 returns a random public folder server without considering network distance or network speed. However, you expect the Exchange server to return a public folder server that is either nearby or highly connected.
This issue occurs because the Exchange server randomly selects a public folder server from the same administrative group regardless of the connection cost or the network access speed.
To resolve this issue, install the following update rollup:
2785908 Description of Update Rollup 5 version 2 for Exchange Server 2010 Service Pack 2
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More information
For more information about public folders, go to the following Microsoft website:For more information about how to manage public folders, go to the following Microsoft website: For more information about a similar issue, click the following article number to view the article in the Microsoft Knowledge Base:
2409597 You cannot open a public folder item when the server that holds the public folder database is stopped in an Exchange Server 2010 environment
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Article ID: 2750847 - Last Review: 12/14/2012 09:30:00 - Revision: 4.0

Microsoft Exchange Server 2010 Service Pack 2

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