I am having issues registering a device using DPS service endpoint with a Symmetric Key method. After authenticating the device with the DPS service, I am unable to register it. Can someone suggest a solution to this problem?

Hello @Gorantla Srikanth welcome to this moderated Azure community forum. Microsoft provides an Python SDK for connecting Azure IoT devices. Check out my blog post about the basics working with the SDK. I also added this GitHub example with DPS support. Notice the extra 'IoTHubDeviceClient.create_from_symmetric_key()' command. Please check out the example first and then try to merge it with your code. If the response helped, do "Accept Answer". If it doesn't work, please let us know the progress. All community members with similar issues will benefit by doing so. Your contribution is highly appreciated.

Problem registering device using Azure DPS

Accepted answer

Sander van de Velde | MVP 32,891 Reputation points MVP

2024-04-15T07:23:59.01+00:00

Hello @Gorantla Srikanth

welcome to this moderated Azure community forum.

Microsoft provides an Python SDK for connecting Azure IoT devices.

Check out my blog post about the basics working with the SDK.

I also added this GitHub example with DPS support.

Notice the extra 'IoTHubDeviceClient.create_from_symmetric_key()' command.

Please check out the example first and then try to merge it with your code.

If the response helped, do "Accept Answer". If it doesn't work, please let us know the progress. All community members with similar issues will benefit by doing so. Your contribution is highly appreciated.
Please sign in to rate this answer.
Gorantla Srikanth 60 Reputation points

2024-04-15T09:48:05.4066667+00:00

Exception has occurred: ClientError

Unexpected failure

azure.iot.device.exceptions.ServiceError: Query Status operation returned a failed registration status with a status code of 200 The above exception was the direct cause of the following exception:

Sander van de Velde | MVP 32,891 Reputation points MVP

2024-04-15T17:55:20.9766667+00:00

When do you get this? What is the following exception?

It works great for me:

Please fill in all four environment variables before you start the app.

Also, please install the module:

pip install azure.iot.device

Gorantla Srikanth 60 Reputation points

2024-04-29T08:59:57.2933333+00:00

Hello, I created IoT central application and trying to implement device onboarding from IoT device source code. How could we register a device in IoT Central application with DPS Service from device source code.

Sander van de Velde | MVP 32,891 Reputation points MVP

2024-04-29T10:17:55.9266667+00:00

Hello @Gorantla Srikanth ,

if you are able to connect to an IoT Hub using the DPS, an IoT Central implementation is supported.

Azure IoT Central encapsulates both the IoT Hub and Device Provisioning Service.

So, if you create a new device and check the connect credentials, you will see similar credentials as seen at a regular DPS.

If you want to manage devices at scale, check out this REST API example.

(please create new questions in a separate thread so these are discoverable for other forum members having the same question).

Gorantla Srikanth 60 Reputation points

2024-05-02T11:11:18.76+00:00

hello again @Sander van de Velde

I tried to run the code using in one of above-mentioned 2 scenarios by you, and I ended with the following error.

Unexpected failure azure.iot.device.exceptions.ServiceError: register request returned a service error status code 401 The above exception was the direct cause of the following exception: File"/home/yuvaraj/AzureIotEdgeModule/EdgeSolution/modules/EdgeSolution/modules/FileSent/main.py", line 91, in register_device_with_dps registration_result = await provisioning_device_client.register() File"/home/yuvaraj/AzureIotEdgeModule/EdgeSolution/modules/EdgeSolution/modules/FileSent/main.py", line 297, in <module> asyncio.run(register_device_with_dps()) azure.iot.device.exceptions.ClientError: Unexpected failure

Sander van de Velde | MVP 32,891 Reputation points MVP

2024-05-02T16:59:25.81+00:00

Hello @Gorantla Shrikanth,

It seems you ran:

pip install azure.iot.device

The error is not very specific but it says 401 which means 'access denied' in most ways.

Please check your credentials or test them first with some other client tooling.
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