http://developers.de/blogs/damir_dobric/archive/2015/08/17/vpn-configuration-issue-on-windows10.aspxAs already lot of users reported, in the current version of Windows 10 there is an issue preventing you to open the Internet Protocol properties for both, IP v4 protocol and IP v6 protocol in the network settings of a VPN connection. Clicking to the PropertiesenCommunityServer 2008 SP1 (Build: 30619.63)