DPS Connection to Azure IoTHub with local auth disabled

Abby Greentree 171

Is it possible to link an IoTHub to DPS with local auth disabled on the IoTHub instance?

Sander van de Velde | MVP 32,736 Reputation points MVP

2024-06-18T06:22:07.2266667+00:00

Hello @Abby Greentree ,

welcome to this moderated Azure community forum.

Better questions with more information lead to better answers from our community members.

Please provide information about the steps you have taken or the guide you follow so fellow members can understand your question better.

What do you mean with "local auth disabled"?

Accepted answer

Dom 1,631 Reputation points Microsoft Employee

2024-06-18T10:35:42.48+00:00

Hi @Abby Greentree ,

The short answer is "no".

When you link a DPS instance to an IoT hub, you use a SAS key with a specific set of permissions. The DPS instance uses this, for example, to add device registrations to the IoT hub.

If you disable local auth in IoT Hub, you're disabling the use of shared access policies so that DPS can longer connect.

This is called out in the DPS documentation: https://learn.microsoft.com/en-us/azure/iot-dps/how-to-manage-linked-iot-hubs#limitations
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Abby Greentree 171 Reputation points

2024-06-18T13:19:39.2533333+00:00

That answered my question - thank you.
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