Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,258 questions
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…
asked 2025-04-15T11:25:12.2533333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(16, 25%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
Gary
0
Reputation points
edited an answer 2025-04-22T13:52:28.5133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(204.8, 15%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMM%3C/text%3E%3C/svg%3E)
Manas Mohanty
3,030
Reputation points Microsoft External Staff
0 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…
asked 2025-04-11T14:14:03.9866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(278.4, 78%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENV%3C/text%3E%3C/svg%3E)
Nikolay Valchanov
5
Reputation points
commented 2025-04-17T15:17:08.6133333+00:00
Sander van de Velde | MVP
36,126
Reputation points MVP
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…
asked 2023-10-10T16:30:57.7366667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(304, 15%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDV%3C/text%3E%3C/svg%3E)
Dhanavath Vishnu
366
Reputation points
commented 2025-04-16T19:19:38.6066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 62%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJA%3C/text%3E%3C/svg%3E)
José Antonio Aparici
0
Reputation points
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…
asked 2025-04-01T13:57:45.5933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(86.4, 52%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIW%3C/text%3E%3C/svg%3E)
Iain White
146
Reputation points
commented 2025-04-15T14:29:08.5866667+00:00
LeelaRajeshSayana-MSFT
17,521
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…
asked 2025-04-08T16:51:19.2466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(12.8, 24%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMF%3C/text%3E%3C/svg%3E)
Mike Finch
20
Reputation points
accepted 2025-04-09T10:58:43.8033333+00:00
Mike Finch
20
Reputation points
1 answer
How to connect Azure IoT Device Telemetry Simulator with Docker
I tried to carried out a Telemetry Simulation with Azure IoT Device Telemetry Simulator but I got this error, On the documentation talk about executed with docker, I replace the SharedAccessKey with my Primary and Secondary Key from my IoT Hub Device…
asked 2025-04-05T12:07:26.28+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(182.40000000000003, 68%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAM%3C/text%3E%3C/svg%3E)
Alexander Mamani Yucra
0
Reputation points
commented 2025-04-09T09:43:49.95+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(54.400000000000006, 74%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EV%3C/text%3E%3C/svg%3E)
VSawhney
310
Reputation points Microsoft External Staff
1 answer
How to clear my iothub partitions?
Hi all I have 30 devices that sent continuous data for 18 hours . The data didnt go through Iot hub. Iot hub is somehow buffering this data and sending it slowly which is why im not able to receive new data. Is there a way to clear the old data from iot…
asked 2024-01-31T07:15:03.53+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(54.400000000000006, 15%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESN%3C/text%3E%3C/svg%3E)
Sharon Nisha Thiruvarul Durai
0
Reputation points
commented 2025-04-07T13:12:43.8433333+00:00
Michael Guillaume
26
Reputation points
2 answers
My Iot hub is buffering Data
My iot hub seems to suddenly buffer data before sending it to my server.
asked 2025-04-03T14:24:20.9333333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(32, 36%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHS%3C/text%3E%3C/svg%3E)
Helix Sense
0
Reputation points
edited a comment 2025-04-07T04:00:26.39+00:00
Manas Mohanty
3,030
Reputation points Microsoft External Staff
1 answer
Error on setting up handshake with Azure IoT hub from physical HSM device.
Getting The error 43000070:PKCS#11 module::Mechanism invalid indicates a cryptographic mechanism mismatch between Azure IoT C SDK and your Swissbit HSM. After checking more getting got to know The Azure IoT C SDK uses OpenSSL's TLS implementation,…
asked 2025-03-29T09:05:55.06+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 24%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EST%3C/text%3E%3C/svg%3E)
Studio Team @virifi
0
Reputation points
edited a comment 2025-04-02T10:50:10.4266667+00:00
VSawhney
310
Reputation points Microsoft External Staff
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…
asked 2025-03-26T16:49:11.4566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(35.2, 7.000000000000001%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOV%3C/text%3E%3C/svg%3E)
Oetze van den Broek
131
Reputation points
edited a comment 2025-03-28T10:32:51.7733333+00:00
Oetze van den Broek
131
Reputation points
0 answers
Drain mode is activating automatically and stopping my function app from running
Hi, I have a function app triggered by an IOT hub incoming message. It works well, until recently when suddenly it stopped running. Checking the logs, I found "DrainMode mode enabled", which stops the listener and makes my function app do…
asked 2023-01-11T08:33:03.1366667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 10%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIB%3C/text%3E%3C/svg%3E)
Inaki Bergara
15
Reputation points
commented 2025-03-26T10:25:20.2966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(272, 75%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJR%3C/text%3E%3C/svg%3E)
Jérôme Potier
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Sending files from web app to device
I know that it is possible to upload files from the device to the IoT Hub as shown here. Is it possible to upload/send a file from a backend web application to the device? For example, if I want to send a configuration file to the device to use…
asked 2023-08-14T17:31:34.4166667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(96, 66%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAF%3C/text%3E%3C/svg%3E)
Alex Fang
230
Reputation points
edited a comment 2025-03-25T23:17:09.9366667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(32, 78%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Bajinder Singh
5
Reputation points
1 answer
One of the answers was accepted by the question author.
Connect to IoTHub with MQTT
For a direct connection between a device and IoT Hub, using MQTT, what should be the Server Name/IP parameter? This information is not available in the manual: https://learn.microsoft.com/pt-br/azure/iot/iot-mqtt-connect-to-iot-hub#connecting-to-iot-hub
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 65%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(19.2, 71%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ED%3C/text%3E%3C/svg%3E)
2 answers
Azure IoT Hub: Metric "Total number of messages used" seems incorrect
The metric "Total number of messages used" seems incorrect because it decreased during the last week although the metric "Telemetry messages sent" is stable (as expected). The metric "Total number of messages used" is…
asked 2025-02-24T14:40:13.5666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 85%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ED%3C/text%3E%3C/svg%3E)
DisplayName42
56
Reputation points
commented 2025-03-14T00:24:49.5933333+00:00
LeelaRajeshSayana-MSFT
17,521
Reputation points
1 answer
One of the answers was accepted by the question author.
How to specify device Id which is different than registration Id for group enrollment
I'm using azure-iot-sdk for registering a device using azure DPS for assigning the device to a IoT hub. I was looking for a way to specify a device Id which I want it to be different than a registration Id for group enrollment
asked 2025-03-13T15:53:12.97+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(44.800000000000004, 59%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESK%3C/text%3E%3C/svg%3E)
Sachin Koyeti
60
Reputation points
accepted 2025-03-13T18:11:00.87+00:00
Sachin Koyeti
60
Reputation points
1 answer
azure IOT hub
HI Team, In our Project we are using the Standard azure IOT hub with 4lac messages per day capacity. while receiving the data form device, we are seeing the duplicate data in our Azure data explorer (ADX) with same timestamp but different values. can you…
asked 2025-03-10T14:13:26.55+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 50%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKM%3C/text%3E%3C/svg%3E)
Kattekola Mahesh
5
Reputation points
commented 2025-03-13T10:58:18.5533333+00:00
VSawhney
310
Reputation points Microsoft External Staff
1 answer
"Device ID": How can I include it on the msgs sent from IoT Hub to Event Hub ?
Hello Community. On an IoT Hub I am receiving the msgs from the devices... Msgs that then are passed from the IoT Hub to the Event Hub. If I check in event hub (using the nice functionality: Data Explorer) I see indeed the event body (which in fact the…
1 answer
Use Azure Medtech to import the data from wearables
I want to understand the process to import the data from wearables real time, and provide analytics on the data.
asked 2025-02-24T18:21:32.45+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(288, 48%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERB%3C/text%3E%3C/svg%3E)
RAHUL BATRA
0
Reputation points
commented 2025-03-12T09:40:27.29+00:00
Sander van de Velde | MVP
36,126
Reputation points MVP
1 answer
Clarification on Whether Acknowledgment Messages Count Towards Azure IoT Hub Daily Message Quota
Hello Azure Support Team, I am seeking clarification regarding the Azure IoT Hub's daily message quota, specifically concerning acknowledgment messages. In our current setup, we utilize cloud-to-device messaging and request delivery acknowledgments for…
asked 2025-03-06T23:10:12.69+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(294.40000000000003, 1%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJR%3C/text%3E%3C/svg%3E)
Jordan Reyes Leger
0
Reputation points Microsoft Employee
commented 2025-03-12T02:36:01.4066667+00:00
VSawhney
310
Reputation points Microsoft External Staff
2 answers
One of the answers was accepted by the question author.
Best practice to manage device logs with IoT Hub
Hello, I was wondering if there are any best practices for managing logs generated by IoT devices. Currently, our devices generate logs in text files, and we thought the easiest way to manage these logs is to upload the text files to a storage account…
asked 2024-06-05T08:24:05.4066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(35.2, 28.999999999999996%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMC%3C/text%3E%3C/svg%3E)
Mariachiara Cesario
20
Reputation points
accepted 2025-03-11T09:59:35.7766667+00:00
Mariachiara Cesario
20
Reputation points