Your VM is not connected to WiFi network which is needed. Try to change VM network settings to Bridged Network. --- [Visit Topic](https://discourse.ros.org/t/virtualbox-and-turtlebot-3-during-rviz-unable-to-contact-my-own-server-at-10-0-2-15/3859/2) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: