Article ID: 2854376 - View products that this article applies to.
Consider the following scenario:
This issue occurs because a non-optimized algorithm is used to search for other public folder servers when the default public folder server is not available or is down.
To resolve this issue, install the following update rollup:
(https://support.microsoft.com/kb/2866475/ )Description of Update Rollup 2 for Exchange Server 2010 SP3
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/2750847/ )An Exchange Server 2010 user unexpectedly uses a public folder server that is located far away or on a slow network
(https://support.microsoft.com/kb/2785908/ )Description of Update Rollup 5 version 2 for Exchange Server 2010 Service Pack 2
Article ID: 2854376 - Last Review: August 27, 2013 - Revision: 1.0