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Article ID: 2750847 - Last Review: December 14, 2012 - Revision: 4.0


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:
General information about public folders (
For more information about how to manage public folders, go to the following Microsoft website:
Managing public folders (
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.

Applies to
  • Microsoft Exchange Server 2010 Service Pack 2, when used with:
    • Microsoft Exchange Server 2010 Standard
    • Microsoft Exchange Server 2010 Enterprise
kbqfe kbfix kbexpertiseinter kbsurveynew KB2750847
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