Lync 2013 On-Prem and Client Authentication.

I recently was made aware of a new “feature” in Lync 2013 which I was not aware of. This is regarding client authentication and remote access users.

There are three authentication methods on the security – registrar tab in Lync Server Control Panel:

The following TechNet article describes each of these  http://technet.microsoft.com/en-us/library/gg182601.aspx