The Lync – Sign In dialog box that's shown in the screen shot in Scenario 1 displays the fully qualified domain name (FQDN) of the organization's Exchange Client Access server (CAS) interface. Connect anyway?įor example, the following trust model dialog box is displayed: Lync cannot verify that the server is trusted for your sign-in address.
When a user tries to sign in to Microsoft Lync in a Lync Server 2013 environment for the first time, she receives the following message in a dialog box: Lync is attempting to connect to:
This article describes two scenarios that occur when the Microsoft Lync client can't establish a trust relationship with resources that require a secure TLS connection.
