After a security audit for a new or existing Lync Server 2010 deployment, questions often arise regarding potential security risks created by giving external user access to Lync Server 2010. This article provides a high level overview and answers to the most commonly asked questions pertaining to external user access to Lync Server 2010 using Lync 2010 or Lync 2010 Mobility Services.

This article is currently under review. We will repost when review is complete.

Author: Edwin Joseph, Microsoft Senior Support Engineer

Publication date: September 19, 2012

Product version: Lync Server 2010, Lync 2010