Azure-IoT-Edge-Gateway node connection

I started to follow this topis to configure lora azure sever :

it work well, i can see the gateway runing perfectly, my issue is how to connect a node, I have one arduino MKR1300, when i try to connect via OTAA it faild and i have thos message :

2019-06-20 05:45:09.860 A8610A31301E7213: join request received
2019-06-20 05:45:09.943 A8610A31301E7213: join refused: unknown device

any help please !!!

Hi, @donald28

Which frequency are you usingļ¼Ÿ
Can you send me the deviceID, AppEUI, and AppKey which you configure on your node?