Configuration Of the device:

Go to Browser, and type the following url: http://192.168.99.1/

Go to Service Tab and change three sections, Url, Username and Password.

Url – select ssl:// and give the url – CERTIFY-ME-IOTHUB-EUFR01.azure-devices.net:8883
Username – CERTIFY-ME-IOTHUB-EUFR01.azure-devices.net/Device ID (Fill in the Device ID , present at the back of the device).
Password – shared access key for the device.