Article ID: 2686826 - View products that this article applies to.
This update for Microsoft Office Communications Server 2007 R2, Microsoft Unified Communications Managed API 2.0 Core Redist 64-bit adds support for situations in which Outlook Web App (OWA) interoperates with a site that has the upcoming version of Lync Server installed, and that has IPv6 enabled.
For more information about this update, click the following article number to view the article in the Microsoft Knowledge Base:
2686823After you apply the update, the protocol stack has the following abilities:
(http://support.microsoft.com/kb/2686823/ )Description of the update for Office Communications Server 2007 R2, Unified Communications Managed API 2.0 Core Redist 64-bit: April 2012