How to change NetworkCategory for Win 2012 R2

By default Win 2012 R2 treats NIC interfaces as PUBLIC.  Even with Windows Firewall OFF, it will still block RDP, etc... from external IPs...  To fix, change NetworkCategory to PRIVATE...

Using GPEDIT.MSC, runas Administrator

• Navigate to Computer Configuration / Windows Settings / Security Settings / Network List Manager Policies.
• Double click the Network name of network that you would like to change the location
• Select the Network Location tab, and set the location to PRIVATE
• Click OK, and close Local Group Policy Editor

Reference:
http://anonit.blogspot.com/2014/02/change-network-location-in-server-2012.html