Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,010 questions
Content
1 answer
Azure IoT DPS: Does DPS support persistent sessions?
In the DPS documentation (Communicate with DPS using the MQTT protocol) it states that "DPS doesn't support persistent sessions", but the behavior I am observing on my devices connected to Azure using DPS is that there is session persistence,…
asked 2023-11-15T19:22:19.2566667+00:00
Bruno Siqueira
0
Reputation points
commented 2023-11-29T02:30:35.59+00:00
LeelaRajeshSayana-MSFT
9,751
Reputation points
1 answer
How to fixed errorCode 401000 when run Azure Iot SDK csharp on windows simulator
when I run command: dotnet run --i xxx --r xxx --p xxx get the follow log; Provisioning API Version: 1.10.1 Registering Device Provisioning Status: PROV_DEVICE_REG_STATUS_CONNECTED Error: Time:Mon Nov 13 10:48:04 2023…
asked 2023-11-15T07:27:09.2166667+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(64, 60%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHC%3C/text%3E%3C/svg%3E)
hao chen
0
Reputation points
commented 2023-11-29T00:22:35.3666667+00:00
LeelaRajeshSayana-MSFT
9,751
Reputation points
3 answers
My devices don't receive C2D messages anymore from IoT Hub
Hello everyone, I've been going crazy for a few days with my IoT Hub and I can't figure out why. On my devices, I have connected about 60-70 of them, the C2D messaging system doesn't work anymore. My "system" is very simple, it is based on an…
asked 2023-11-09T14:26:41.5133333+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(121.6, 28.000000000000004%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAP%3C/text%3E%3C/svg%3E)
Andrea Previtali
51
Reputation points
answered 2023-11-28T23:34:10.7033333+00:00
LeelaRajeshSayana-MSFT
9,751
Reputation points
1 answer
One of the answers was accepted by the question author.
error for properties_s when using iot hub logs
I am having trouble with my IoT hub and I am trying to use the logs to see if the problem is on the Azure side. I have looked at Logs under monitoring and then I run the auto-generated script for looking at throttling errors which has an error in it, (it…
asked 2023-11-14T07:51:27.7266667+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(6.4, 88%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHP%3C/text%3E%3C/svg%3E)
Henrik Paldan
20
Reputation points
commented 2023-11-28T07:25:50.5033333+00:00
Henrik Paldan
20
Reputation points
1 answer
One of the answers was accepted by the question author.
DeviceTwinStatusCallBack method in latest library iot-device-client-2.2.0
Hello everyone, I am facing an issue with the DeviceTwinStatusCallBack method after upgrading the library iot-device-client to verion 2.2.0. In the past, when I used the version 1.x of iot-device-client, there was a method DeviceTwinStatusCallBack , but…
asked 2023-11-27T10:52:45.2733333+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(3.2, 42%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHL%3C/text%3E%3C/svg%3E)
Hung Le Minh
20
Reputation points
accepted 2023-11-28T02:55:44.19+00:00
Hung Le Minh
20
Reputation points
1 answer
One of the answers was accepted by the question author.
Is there a way to get number of messages per IoT device sending to IoT Hub
Hello, Below code gives me current messages count for IoT hub which is overall count of messages from all the devices. var iotHubClient = await GetIotHubClient(); var mi = await…
asked 2022-07-27T16:15:02.403+00:00
@IamCoder
391
Reputation points
commented 2023-11-27T17:09:45.77+00:00
Sander van de Velde
25,341
Reputation points MVP
1 answer
Error updating device Twin
I am trying to update the desired properties of an IotHub device twin and I am getting the following error: Property or Tag name should be maximum 1024 bytes. Neither the property of the tag name are bigger than 1024 bytes, I have tried updating the…
asked 2023-11-21T16:06:25.2966667+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(185.6, 4%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESG%3C/text%3E%3C/svg%3E)
Sam Gomez
0
Reputation points
commented 2023-11-27T16:04:14.5366667+00:00
Sander van de Velde
25,341
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
No IoT Hub found in current subscription
I have some issues with the use of the IoT Hub. First of all, if I create an IoT Hub, it isn't listed on the Azure CLI command and on the IoT Explorer Preview. In addition, when I create a Cosmo DB account, it is not listed in the creation of a Custom…
asked 2023-11-22T18:39:35.36+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(41.6, 97%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECM%3C/text%3E%3C/svg%3E)
Claudio Marche
55
Reputation points
accepted 2023-11-24T18:32:32.3166667+00:00
Claudio Marche
55
Reputation points
1 answer
One of the answers was accepted by the question author.
How can we get the list of all parent edge devices mapped to an iothub using az cli?
I would like to get the list of all parent devices in a iot hub using az cli to perform some updates specifically on parent devices. Thanks in advance
asked 2023-09-29T11:59:30.4033333+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(108.80000000000001, 39%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPS%3C/text%3E%3C/svg%3E)
PRIYANKA S NAIR
20
Reputation points
accepted 2023-11-24T12:44:11.8533333+00:00
PRIYANKA S NAIR
20
Reputation points
1 answer
Connection for MQTT with SIMCOM A7672E using Azure IOT
Below is the AT command sequence which we are using to communicate with the server but we are getting handshake failure every time. SEND:AT AT Resp: AT OK AT OK SEND:ATE0 AT Resp: ATE0 OK ATE0 OK SEND:AT+CTZU=1 AT Resp: OK AUTOMATIC TIME ZONE IS…
asked 2023-09-25T10:27:33.47+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(48, 15%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETU%3C/text%3E%3C/svg%3E)
Tushar Uttekar
10
Reputation points
commented 2023-11-24T05:33:38.61+00:00
Tushar Uttekar
10
Reputation points
1 answer
IOT hub to SIMcom7672G Connectivity issue
How to connect the simcom767G to azure iot hub using MQTT protocol how i get the username of iot hub and sas token and iot hub url and iot hub api version am using this…
asked 2023-11-23T10:27:11.9633333+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(307.2, 94%, 39%)' 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)
Vignesh
0
Reputation points
edited an answer 2023-11-24T02:46:46.53+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(214.4, 74%, 30%)' 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)
AshokPeddakotla-MSFT
21,366
Reputation points
1 answer
Where is better use cases to use Azure Event Grid with MQTT in IoT system ?
I'd be glad if anyone could support me. I'd like to know about Azure Event Grid with MQTT use cases. In Microsoft Build 2023, Azure Event Grid supporting MQTT was announced, but I am not sure the main differences between the existing IoT Hub and this…
asked 2023-06-05T08:17:11.58+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, 31%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
ks
35
Reputation points
commented 2023-11-23T10:24:30.96+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, 1%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESG%3C/text%3E%3C/svg%3E)
SEYNAEVE Gerdy (SGI/MST)
1
Reputation point
1 answer
Managing Firmware with Two Device Provisioning Services - Seeking Ideas and Solutions
In our current development project for a customer, we are implementing a solution that requires both a development (dev) environment and a production (prod) environment. The challenge we're facing is related to firmware management. We aim to have a…
asked 2023-11-08T11:21:11.12+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(300.8, 50%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPV%3C/text%3E%3C/svg%3E)
Pim van der Meer
5
Reputation points
commented 2023-11-23T06:32:15.61+00:00
AshokPeddakotla-MSFT
21,366
Reputation points
2 answers
One of the answers was accepted by the question author.
Alerts using stream analytics or EventGrid?
We are planning to use stream analytics to connect it to PowerBI. Also for the cold path we will store the telemetry data in a database. To add alerts (emails for example) - Is it good to have a separate path (through EventGrids->LogicApp) or should…
asked 2023-06-13T13:07:18.25+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(105.60000000000001, 84%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESE%3C/text%3E%3C/svg%3E)
Sagar Epari
130
Reputation points
commented 2023-11-22T21:52:36.9033333+00:00
LeelaRajeshSayana-MSFT
9,751
Reputation points
1 answer
want to send the array type data to the digital twin and unable to view the telemetry data in digital twin
I want to send the data of type array to the digital twin. So I am sending the data to the IOT hub and from there to the functional app. I am facing the problem when I want to create a property of the twin of array type. I am deploying the digital twin…
asked 2023-11-06T11:37:17.8133333+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(153.6, 8%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERS%3C/text%3E%3C/svg%3E)
RAJBHAR, SUSHANT
0
Reputation points
commented 2023-11-22T15:41:14.45+00:00
AshokPeddakotla-MSFT
21,366
Reputation points
0 answers
AutoScale IOTHub based on condition
I want to autoscale iothub based on certain conditions , like when the number of messages used are 90% ,or when throttling happens . but there seems to be no option for that in the azure portal . kindly suggest how to achieve the same .
asked 2023-11-22T05:45:40+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, 72%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESB%3C/text%3E%3C/svg%3E)
siddharth bansal
311
Reputation points
commented 2023-11-22T06:57:22.3166667+00:00
AshokPeddakotla-MSFT
21,366
Reputation points
1 answer
One of the answers was accepted by the question author.
How to ingest dynamic data to ADX?
I am connecting to Azure IoT Hub through Azure Data Explorer (ADX) to get JSON-formatted streaming data. However, this JSON is in a nested format, and the fields of the nested objects are not fixed. How can I flatten and store it in ADX? The JSON data…
![](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(246.4, 14.000000000000002%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
3 answers
One of the answers was accepted by the question author.
Error in creating IoT Hub Free Tier
Every time I try to deploy an IoT Hub (free tier), the deployment fails. This is the error: { "status": "Failed", "error": { "code": "IotHubActivationFailed", "message":…
asked 2023-11-17T16:48:08.1666667+00:00
Claudio Marche
55
Reputation points
accepted 2023-11-21T21:18:38.89+00:00
Claudio Marche
55
Reputation points
1 answer
Want to on or off the physical robotic arm from the digital twin 3D scene
I am pushing my physical robotic arm data to the digital twin through IOT hub and azure functions. I also integrated the digital twin with the 3D scenes and I would able to view the data in it. Now, my requirement is I should be able to on or off the…
asked 2023-11-09T09:30:46.2966667+00:00
RAJBHAR, SUSHANT
0
Reputation points
commented 2023-11-21T15:22:53.3+00:00
AshokPeddakotla-MSFT
21,366
Reputation points
1 answer
Unable to create IOT Hub , failed with Code: ResourceDeploymentFailure
{"code":"DeploymentFailed","target":"/subscriptions/051d806a-cb57-473f-b4a7-1c6299c3439d/resourceGroups/iot-reg-one/providers/Microsoft.Resources/deployments/iot-one-1117223051","message":"At least…
asked 2023-11-18T03:42:26.4466667+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, 7.000000000000001%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERT%3C/text%3E%3C/svg%3E)
RAMESH TAMMA
0
Reputation points
commented 2023-11-21T13:53:06.87+00:00
AshokPeddakotla-MSFT
21,366
Reputation points