Pedro Lemos comments

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                                            Pedro Lemos

Connect to azure Iot hub with x509 certificate using go

This was fixed by using mqtt with web sockets

Getting error while sending C2D message via Service Client. (Error: failed to send message: protocol error: received flow without next-incoming-id after session established)

It might be the Transport you are using, your device might be blocking it, try to change it

Getting error while sending C2D message via Service Client. (Error: failed to send message: protocol error: received flow without next-incoming-id after session established)

Try setting your client like this `client, err := iotservice.NewFromConnectionString(iotHubConnectionString, iotservice.WithHTTPClient(http.DefaultClient)) ` With this you are setting a different way to communicate with iothub. I'm not sure but that might...

Getting error while sending C2D message via Service Client. (Error: failed to send message: protocol error: received flow without next-incoming-id after session established)

Show the error

Getting error while sending C2D message via Service Client. (Error: failed to send message: protocol error: received flow without next-incoming-id after session established)

I think your issue is because you are using iotservice to send a message. This should be turned flow 1- Create a Device in Iothub using iotservice lib 2- Create...

Getting error while sending C2D message via Service Client. (Error: failed to send message: protocol error: received flow without next-incoming-id after session established)

You're right. I read wrong First things first, you can send a message from the iothub to the device?