1,310 questions with Azure IoT Hub tags

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ESP32 with Azure IoT Hub – Is There a More Recent Middleware Project?

Hi All I am using an Espressif ESP32 connected to IoT Hub via the IoT middleware project shown below. Could someone advise whether there are more recent frameworks or examples I could use for my IoT…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2026-03-01T18:41:21.54+00:00
DJ 70 Reputation points
commented 2026-03-05T22:30:08.4733333+00:00
Sander van de Velde | MVP 37,056 Reputation points MVP Volunteer Moderator
2 answers

Azure IoTHub Event Hub Endpoint Creation is Unreachable

Creating Event Hub Endpoint via Terraform it shows the status as "Unreachable" and "Unauthorized". But the same Endpoint when created manually seems to be working fine as expected. I would like to know if this can be a bug or am I…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
Azure Event Hubs
Azure Event Hubs

An Azure real-time data ingestion service.

767 questions
asked 2022-10-08T08:35:35.51+00:00
David Maryo 126 Reputation points
answered 2026-03-05T15:47:55.2633333+00:00
Valeriia Nesterova 0 Reputation points
3 answers

Iot Hub - impossibile verificare xyz per Azure for Students

Buongiorno, quando provo ad attivare Azure per xyz non riesce a verificare l'identità. Come possiamo risolvere? abc

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2026-03-04T10:12:48.7433333+00:00
De Marco Saverio 0 Reputation points
answered 2026-03-04T19:21:49.05+00:00
Sander van de Velde | MVP 37,056 Reputation points MVP Volunteer Moderator
2 answers

ADU update group no longer seeing new updates. We cannot deploy urgent updates to our IOT devices in the field.

Our Azure update service has been plagued with problems. One of our Groups and Deployments has a device group name (picked up automatically by device tag) named DieselADU-REV2-ESP32S3-F16-R8 We have manually deleted it to try and get it to work, and…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2026-03-03T05:21:57.3033333+00:00
Adrian Wreyford 75 Reputation points
answered 2026-03-04T15:52:38.87+00:00
Oetze van den Broek 161 Reputation points
2 answers

Iot Hub Partition Id algorithm

Hi, Considering that an implementation of the Iot Hub partitioning algorithm is public (MIT licensed) (https://github.com/Azure/azure-iot-sdk-csharp/blob/main/iothub/service/src/Common/PerfectHash.cs), does the following recommendation still apply…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2026-02-06T14:09:57.4333333+00:00
Emilio Palma 0 Reputation points
commented 2026-02-17T16:38:09.3266667+00:00
Manas Mohanty 14,660 Reputation points Microsoft External Staff Moderator
1 answer

We are facing IOT based device provisioning issues since from 1st Jan 2026 in US region

Support Request Details Customer: XYZ Contact Name: ABC Role: Senior Firmware Test Engineer Issue Summary We are experiencing persistent IoT device provisioning failures in the US region, starting from January 1st, 2026, impacting both new device…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2026-01-30T16:00:25.2233333+00:00
Pradeep Gurav 0 Reputation points
commented 2026-02-04T07:22:35.0066667+00:00
SRILAKSHMI C 14,815 Reputation points Microsoft External Staff Moderator
2 answers

Legacy embedded devices without ECDHE using Azure IoT Hub

We have around 7000 legacy devices connected to Azure IoT hub that do not support the ciphers required for TLS 1.2. The devices use TLS 1.2, but don't support ECDHE. Support for this scenario was deprecated on 31 August 2025, but you can still set IoT…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2026-01-16T14:36:07.3633333+00:00
Pierre-Andre van Leeuwen 56 Reputation points
commented 2026-02-02T08:42:31.99+00:00
Sridhar M 5,335 Reputation points Microsoft External Staff Moderator
3 answers

Azure IoT Hub 2 Routing Rule with same messages and destination

Here's the background:- I have a routing rule in IoT Hub that is currently routing the D2C message to a Service Bus Queue. It works fine now. However, I need to further secure the Service Bus with private endpoint. While my IoT Hub shall continue to…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2026-01-21T13:41:12.35+00:00
John Wong Yek Hon 270 Reputation points
answered 2026-01-21T15:29:22.4433333+00:00
SRILAKSHMI C 14,815 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

IoT Cloud to Device Message Delivery Sequence

I've observed some potential risk on the IoT Hub, and would like to clarify here. We have 2 applications communicate via IoT Hub, one on the cloud and the other serve as IoT Device. The are some incidents where the "Device" received the C2D…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2026-01-16T07:32:51.5+00:00
John Wong Yek Hon 270 Reputation points
accepted 2026-01-21T13:12:02.4633333+00:00
John Wong Yek Hon 270 Reputation points
2 answers

Setting up Device Telemtery with IoT Hub, Event Grid for Moko for MQTT Data

Hello Azure Guru's and users, The goal is to create a listening service which will reecive MQTT from Moko gateways in Azure. However, I'm getting lost in the jargon though between Event Grid and IoT Hub. We have purchased a Moko gateway, and we've got…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2026-01-17T00:34:23.1733333+00:00
fleetguy 0 Reputation points
answered 2026-01-17T00:52:22.59+00:00
Anshika Varshney 7,970 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

SAS token mismatch on Azure DPS with Azure IoT Edge

Hi, I have a recent issue with DPS registration requests, giving me error " {"Message":"{"errorCode":401002,"message":"The specified SAS token has an invalid signature. It does not match either the primary or…

Azure IoT Edge
Azure IoT Edge

An Azure service that is used to deploy cloud workloads to run on internet of things (IoT) edge devices via standard containers.

606 questions
Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2025-01-03T14:33:14.6666667+00:00
LALANNE Jeremie - CELLENZA 51 Reputation points
commented 2025-12-19T14:16:12.07+00:00
LALANNE Jeremie - CELLENZA 51 Reputation points
2 answers

How can I enable edgehub_messages_sent_total in Metrics Collector to detect offline IoT Edge devices?

When I use Log Analytics to retrieve offline devices from my IoT Hub via the Metrics Collector, the default query for “device offline or not sending messages” returns no results. It seems that no entries for edgehub_messages_sent_total are being…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2025-12-01T14:07:08.21+00:00
Levin Schickle 0 Reputation points
answered 2025-12-02T16:08:56.86+00:00
Anshika Varshney 7,970 Reputation points Microsoft External Staff Moderator
1 answer

How to resolve Kepware Azure IoT hub MQTT agent communication failures?

Support Request Summary — Azure IoT Hub MQTT Authentication Failure with Kepware We are attempting to connect Kepware KEPServerEX IoT Gateway (MQTT Agent) to our Azure IoT Hub device kepware_acc_staug_002, but Azure consistently returns: MQTT agent…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2025-11-20T16:30:19.59+00:00
Tim Parsons 0 Reputation points
answered 2025-12-02T07:16:57.5733333+00:00
Nikhil Jha (Accenture International Limited) 4,320 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

How can I integrate a metal & gold detector’s firmware with Azure IoT Hub for real-time data collection?

[URL modified to not qualify as a backlink] I’m working on a hardware project where a metal and gold detector (for example, the products offered by Bullion Gold Metal Detectors in Dubai: https://goldetectors(.)ae/ uses an STM32 microcontroller to…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2025-11-25T09:20:48.2433333+00:00
Bullion Detectors 40 Reputation points
accepted 2025-11-27T06:15:41.4866667+00:00
Bullion Detectors 40 Reputation points
2 answers

Iotedge cannot boot after host abrupt shutdown

Hi, I'm using iotghub for our iot running on Ubuntu linux machine. This is the second time that after an abrupt power cut, the iotedge completely fails on boot, while complaining about some issue with read-only file system (see logs below). I have tried…

Azure IoT Edge
Azure IoT Edge

An Azure service that is used to deploy cloud workloads to run on internet of things (IoT) edge devices via standard containers.

606 questions
Azure
Azure

A cloud computing platform and infrastructure for building, deploying and managing applications and services through a worldwide network of Microsoft-managed datacenters.

1,785 questions
Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2023-05-10T09:13:12.9866667+00:00
Pavel Livshits 10 Reputation points
commented 2025-11-24T17:10:39.84+00:00
Dean Woodwell 0 Reputation points
2 answers One of the answers was accepted by the question author.

Architecture Recommendation for Isolated Customer Streaming: Event Grid Topics vs Event Hub Consumer Groups

We need to ingest two data streams into IoT Hub: • A batch path • An instant/real-time path The batch path data must be integrated with Microsoft Fabric. The instant/real-time path data needs to be distributed to individual customers, with each customer…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2025-11-18T10:25:26.7+00:00
Anirudh Singh Bharti 20 Reputation points
accepted 2025-11-24T09:04:44.56+00:00
Anirudh Singh Bharti 20 Reputation points
2 answers One of the answers was accepted by the question author.

Azure IoT Hub device queries returns stale data

We are using Azure IoT Hub and have integrations running on dotnet using the C# SDK. Lately we have been experiencing issues where the GetNextAsTwinAsync returns old versions of the device twin for some devices. It is not a matter of eventual…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2025-11-17T10:20:27.77+00:00
Stian Sandve 20 Reputation points
accepted 2025-11-24T08:50:18.62+00:00
Stian Sandve 20 Reputation points
1 answer

Azure IOT Hub scaling options & EventHub?

What scaling options are available for IoT Hub, and how can auto-scaling be implemented in IoT Hub and Event Hub?

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2025-11-18T11:53:28.99+00:00
Anirudh Singh Bharti 20 Reputation points
commented 2025-11-20T18:15:26.4433333+00:00
SRILAKSHMI C 14,815 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

I've created a new device on IoT Hub and doesn't appear on the Devices Page

There's an critical bug on the UI manager for device creation, After using the page "Create a device" I can't see the device on the "Devices" Page, But I get this error: "A device with this name already exists."…

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2025-11-13T22:11:46.55+00:00
Diego Chavez 20 Reputation points
accepted 2025-11-18T07:30:04.7366667+00:00
Diego Chavez 20 Reputation points
1 answer

SIgn up Problem

I am trying to sign up for a free Azure account. However, it gives me the message "We couldn't validate your address. Please ensure the address you've entered is correct.". My address is complete and correct. I am located in UAE.

Azure IoT Hub
Azure IoT Hub

An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.

1,310 questions
asked 2025-11-01T07:59:33.96+00:00
Asma Yassin 0 Reputation points
commented 2025-11-04T04:26:37.6533333+00:00
Nikhil Jha (Accenture International Limited) 4,320 Reputation points Microsoft External Staff Moderator