Please PING the server hostname (not IP) from a CMD prompt and post the results.
Your issue is IPv6 related. See my fix for this.
For more information about Network License Manager connectivity issues and IPv6, please see my discussion post here:
Access a broad range of knowledge to help get the most out of your products and services.
Start with some of our most frequented solutions or visit the Installation and Licensing Forum to get help installing your software.
Upgrading to a 2015 product? Make sure to check these out 1st!