You support a customer whose network environment includes Microsoft Lync Server 2013 Standard deployed with an Edge Server that is connected to the Internet. Some users have Lync Mobile installed on their mobile devices.
When the users attempt to sign in to Lync from their mobile devices on a carrier network, they receive the following error message: “Cannot connect to the server. It might be unavailable. Also please check your network connection, sign-in address, and server addresses.”
You need to ensure that users are able to sign in to Lync from their mobile devices on a carrier network.
What should you do?
A. Add a LyncDiscover DNS entry that points to the Lync Edge Server.
B. Add a LyncDiscover DNS entry that points to the Lync Front End Pool Server by using a reverse proxy.
C. Add a LyncDiscoverlnternal DNS entry that points to the Lync Edge Server.
D. Add a LyncDiscoverlnternal DNS entry that points to the Lync Front End Pool Server by using a reverse proxy.
