SITL not working Mission Planner/X-plane connection

Hello everyone;

I followed step by step this tutorial http://ardupilot.org/dev/docs/sitl-native-on-windows.html

I do believe that everything is installed properly but when I try to connect Mission Planner to X-Plane I get this message" No heartbeat packets received" and here is what I see.
image

any help would be appreciated

Why do You note sitl native page from the dev wiki, and You run SITL from Mission Planner?

If You already installed cygwin and all packets I suggest You to run it with waf build in cygwin, instructions here. You can also check if You have correct setting of Xplane.

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