You deploy Skype for Business 2015 Enterprise Edition pool named pool1.contoso.local. You configure the administrative access URL to be admin.contoso.local. The Front End and Back roles are installed on servers named FE1 and BE1, respectively.
You create the following DNS records:

You attempt to open the Skype for Business Server 2015 Control Panel and you receive an error message.
You need to be able to open the control panel.
Which two actions should you perform? Each correct answer presents part of the solution. (Choose two.)