Microsoft has released Update Rollup 6 for Microsoft Exchange Server 2010 Service Pack 1 (SP1).
This update is dated October 27 2011.
This article describes the following information about the update rollup:
Update Rollup 6 for Exchange Server 2010 SP1 resolves the issues that are described in the following Microsoft Knowledge Base (KB) articles:
Download Details - Microsoft Download Center - Update Rollup 6 for Exchange Server 2010 Service Pack 1 (KB2608646)http://www.microsoft.com/download/en/details.aspx?id=27849
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