1,269 questions with Azure IoT Hub tags

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TPM EK enrollment issue.

Hi, Getting error (Details: Endorsement key is invalid, or does not match the Enrollment. Error code: 400004) while enrolling TPM EK. we generate TPM EK >> [REDACTED]== Steps Followed : TPM (SLB9673) chip interface with esp32 with I2C…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-06-12T11:39:26.84+00:00
Pratik Dongale 0 Reputation points
commented 2025-06-13T06:35:20.55+00:00
Pratik Dongale 0 Reputation points
1 answer One of the answers was accepted by the question author.

IOT Hub Multiple connections on single device

Background: We have multiple applications and windows services that run on our devices at any one time. We were hoping we could communicate to IOT Hub from each of these services to send and receive messages but ran into this problem:…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2022-06-10T10:50:48.993+00:00
Ben Dimelow 21 Reputation points
commented 2025-06-06T07:45:41.36+00:00
Sander van de Velde | MVP 36,526 Reputation points MVP Volunteer Moderator
1 answer

We are experiencing a failure in sending IOT direct calls to iot devices, even though we see the device receives the command

We are experiencing errors in the backend when sending iot direct methods, even though we see that the device does receive the direct method call and responds correctly. From device logs: 28-05-2025 07:37:41.300000: IoT open door command received:…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-05-28T08:03:18.54+00:00
Jonathan Volij 5 Reputation points
commented 2025-06-02T04:49:21.4866667+00:00
Manas Mohanty 4,960 Reputation points Microsoft External Staff Moderator
2 answers

Azure IoT Hub device connect through Application Gateway

I have a requirement for allowing a c# service deployed to a customer PC to connect to our Azure components. Currently they are all routed through an Application Gateway. I would like to expand our features in Azure and add IoT Hub so the service can…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-05-28T04:54:22.17+00:00
Craig Webb 5 Reputation points
answered 2025-05-28T08:23:59.24+00:00
VSawhney 710 Reputation points Microsoft External Staff Moderator
1 answer

Direct Methods 'Not Found' under load in IoT Hub

We are performing some load tests to check that our Edge Module is able to process the number of Direct Methods we need it to. We've been using the azure-iot-hub python module to call the direct methods. The payload is very small and is the same for…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-04-01T13:57:45.5933333+00:00
Iain White 146 Reputation points
commented 2025-05-27T12:53:00.6733333+00:00
Iain White 146 Reputation points
2 answers

Cost Cutting Effort for IoT Hub

Hello, Is there a way to reduce the cost of our IoT Hub? We are currently on a Standard Tier. I want to know if there are ways to lessen the cost of our IoT hub in development environment since there are no projects on going. I checked if theres an…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-05-14T01:37:46.9866667+00:00
NLE JB 70 Reputation points
edited a comment 2025-05-23T06:34:07.2366667+00:00
Sander van de Velde | MVP 36,526 Reputation points MVP Volunteer Moderator
1 answer

My iothub is delaying/buffering messages all of a sudden

All of a sudden, my iothub in azure buffers data and doesnt send them through for a few iothub devices. Im using nodejs to process the data from the iothub . pm2 restart 0 --watch=false --max-restarts=0 is the command i need to run for everything to…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-05-22T18:04:12.66+00:00
Helix Sense 0 Reputation points
answered 2025-05-23T02:15:21.13+00:00
VSawhney 710 Reputation points Microsoft External Staff Moderator
2 answers

Frequent disconnect/reconnect issue with IoT Hub Device.

I have an IoT Hub on the Standard plan (S1) and i have set up two IoT Hub Devices. One of the devices is routing data regularly and has a stable connection over MQTT (mqtts). The other one, with the exact same setup just with a different DeviceID,…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-05-19T08:36:28.8833333+00:00
Peder Dueled 0 Reputation points
commented 2025-05-21T10:04:23.8233333+00:00
Manas Mohanty 4,960 Reputation points Microsoft External Staff Moderator
2 answers

Azure IoT Hub - Total number of messages used doubled unexpectedly - What is the reason?

Recently we encountered a problem with IoT Hub related to hitting the daily quota for total number of messages used while the amount of devices and telemetry messages remained the same. Purple: Total number of messages used (Max) | Blue: Telemetry…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-04-11T14:14:03.9866667+00:00
Nikolay Valchanov 5 Reputation points
answered 2025-05-20T15:16:07.92+00:00
LeelaRajeshSayana-MSFT 17,766 Reputation points Moderator
1 answer One of the answers was accepted by the question author.

How to move data from Azure IoT Hub to SAP Digital Manufacturing cloud(DMC)

Hi, I'm looking for some guidance or reference architecture on connecting SAP DMC as a listener to Azure IoT Hub(Event Grid or Event Hub) MQTT messages directly rather thru a logic app. Any help is greatly appreciated. Thanks

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-05-15T05:29:15.57+00:00
Pavan Puligandla 85 Reputation points
commented 2025-05-20T08:13:29.22+00:00
Manas Mohanty 4,960 Reputation points Microsoft External Staff Moderator
2 answers

Receive credentials from keyvault within an IoT Hub edge module

Hello! I'm still new to azure and have the following problem: I have an IoT hub with an edge device. On this device, several modules are deployed. Apart from the edgeHub and edgeAgent, there is some python code packaged in a docker container that runs…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-05-09T12:30:13.2566667+00:00
Tobias Quadfasel 70 Reputation points
commented 2025-05-20T06:33:38.9033333+00:00
Tobias Quadfasel 70 Reputation points
1 answer

IoT Hub Devices got disconnected

my all IOT device Disconnect, I have 92 device all device disconnect

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-05-14T03:55:24.45+00:00
Gurjeet Singh 0 Reputation points
edited the question 2025-05-19T18:15:01.58+00:00
LeelaRajeshSayana-MSFT 17,766 Reputation points Moderator
2 answers

Why does disable on a device not disable the device

I am using Azure IoT Hub and DPS. We have implemented reprovisioning once a device is blocked in Azure IoT Hub. When i disable the device in Azure IoT Hub by setting "Enable connection to IoT Hub" to false, clicking save and then rebooting…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-03-26T16:49:11.4566667+00:00
Oetze van den Broek 131 Reputation points
commented 2025-05-19T09:18:36.6366667+00:00
Oetze van den Broek 131 Reputation points
0 answers

Azure IoT Hub Defender Micro Agent on Yocto/STM32MP1 – No Defender Metrics in IoT Hub Portal

Hi all, I'm currently running the Azure IoT Defender Micro Agent on a Yocto-based image (STM32MP1), and although the logs suggest the agent is working and sending data, no Defender metrics are visible in the Azure IoT Hub portal under Defender…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-05-09T09:39:57.5933333+00:00
Abhithlal 0 Reputation points
commented 2025-05-15T12:18:32.08+00:00
Sampath 3,660 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Adding devices to IoT hub is greyed out

I'm not exactly sure why, but the option to add devices is greyed out on my IoT hub. The only hint it gives is maybe a network error.

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-05-01T20:36:30.39+00:00
Drew Stevens 40 Reputation points
accepted 2025-05-09T15:16:52.49+00:00
Drew Stevens 40 Reputation points
1 answer

how to connect a Panasonic PLC with a gateway and then establish the connection with IoT Hub?

Estoy tratando de conectar el PLC Panasonic FP0R-C32T con el gateway Weintek CMT-G01 y establecer una conexión con IoT Hub. He revisado la documentación de ambos dispositivos, pero hasta ahora no he logrado que se comuniquen correctamente. ¿Alguien con…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2023-06-15T05:48:17.78+00:00
Julian freixas 0 Reputation points
commented 2025-04-27T08:03:30.05+00:00
Francesco Valenti 0 Reputation points
2 answers

Module connection using x509 certificates

Hi, When reading the docs about connecting devices and modules using a x509 certificate there is this part about the required common name (CN): For modules using X.509 authentication, the module's certificate must have its common name (CN) formatted…

Azure IoT
Azure IoT
A category of Azure services for internet of things devices.
420 questions
Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
Azure IoT SDK
Azure IoT SDK
An Azure software development kit that facilitates building applications that connect to Azure IoT services.
228 questions
asked 2024-04-09T12:01:37.0066667+00:00
Ferry Koolen 0 Reputation points
answered 2025-04-24T08:00:07.93+00:00
René van der Heijden 5 Reputation points
2 answers

Can't edit my IoT Hub resource

I created an IoT Hub resource and a Blob Storage account. Messages to the iot hub are routed to an Azure function (through the built in message routing) and to the blob storage. To set this up I had to create 2 routes in Hub Settings > Message…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-04-15T11:25:12.2533333+00:00
Gary 0 Reputation points
edited an answer 2025-04-22T13:52:28.5133333+00:00
Manas Mohanty 4,960 Reputation points Microsoft External Staff Moderator
1 answer

Azure IoT Edge image build for AMD64, Arm64v8 in azure devops pipeline with supported Microsoft hosted agents

Hi Team, Hello SatishBoddu-MSFT, I have scenario, where I am building two types of images of same repo, using Azure IoT Edge Task (AzureIoTEdge@2). Just I am looping this IoT Edge Task for different platform, by replacing defaultPlatform: with two…

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.
598 questions
Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2023-10-10T16:30:57.7366667+00:00
Dhanavath Vishnu 366 Reputation points
commented 2025-04-16T19:19:38.6066667+00:00
José Antonio Aparici 0 Reputation points
2 answers One of the answers was accepted by the question author.

IoTHub Upload File Key Based Authentication

SImilar to this one beow: https://learn.microsoft.com/en-us/answers/questions/401852/im-getting-error-message-key-based-authentication I'm using the C# SDK to upload a file: and getting this result: Status: 403 (Key based authentication is not…

Azure IoT Hub
Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,269 questions
asked 2025-04-08T16:51:19.2466667+00:00
Mike Finch 20 Reputation points
accepted 2025-04-09T10:58:43.8033333+00:00
Mike Finch 20 Reputation points