Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,222 questions
2 answers
Unable to Register Devices Using DPS Enrollment Group (401 Unauthorized)
We are encountering issues while attempting to register devices using an enrollment group in Azure IoT Device Provisioning Service (DPS) with symmetric key authentication. Despite following all the documented steps, the device registration fails with an…
asked 2024-12-23T17:24:53.6033333+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(99.2, 6%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Allen
0
Reputation points
answered 2024-12-24T10:06:38.2766667+00:00
Sander van de Velde | MVP
33,951
Reputation points MVP
1 answer
Event Hub from another Subscription not visible for IoT Hub data route endpoints
Im trying to pass telemetry data from an IoT Hub to an event hub residing in another subscription, under same tenant/directory. I have created a managed identity, and assigned both services to the identity with Subscription-level Owner roles and…
asked 2024-12-20T16:16:09.33+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(291.2, 4%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
Sinipelto
0
Reputation points
commented 2024-12-24T08:42:47.73+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(268.8, 8%, 36%)' 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)
Smaran Thoomu
18,710
Reputation points Microsoft Vendor
1 answer
How to enable CORS for IOT Hub service
I have trouble connecting to the IOT Hub from a webassembly app. It reports in the exception: Operation is not supported on this platform I think it's a CORS problem, since I got the same exception accessing a different website, which resolved when…
asked 2024-12-18T01:29:27.1433333+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(92.8, 1%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHB%3C/text%3E%3C/svg%3E)
Heinrich Braasch
0
Reputation points
commented 2024-12-20T18:25:22.9+00:00
Sander van de Velde | MVP
33,951
Reputation points MVP
1 answer
How to send messages from Iot Edge Module to Storage Account through route?
I have an IoT Edge Module filtermodule which sends telemetry using send_message (docs) with IoTHubModuleClient every minute. When I run this module, the IoT Hub message counter in the portal is incrementing. Also, I used this route in the IoT Edge Hub…
asked 2024-12-16T13:29:02.73+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(102.4, 94%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPK%3C/text%3E%3C/svg%3E)
Pim Klaassen
0
Reputation points
answered 2024-12-16T16:54:43.7166667+00:00
Sander van de Velde | MVP
33,951
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
IoT Hub Continues to Send Events After Device Deletion
Hi Everyone, I have an issue with IoT Hub, Could you help ? Events such as TwinChangeEvents and DeviceLifecycleEvents are routed from IoT Hub to Event Hub. However, after deleting the deviceId (S5_U0_15312) created in 2016, IoT Hub still sends…
asked 2024-12-11T08:29:35.52+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, 27%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETT%3C/text%3E%3C/svg%3E)
Tuan Tran
21
Reputation points
commented 2024-12-12T19:40:02.2666667+00:00
Sander van de Velde | MVP
33,951
Reputation points MVP
1 answer
Is it possible to access the SSH server on Yocto via device stream?
A customer asked me if it was possible to log in via SSH via an Azure server. I found an article that said that Azure IoT HUB has a feature called Device Stream, which makes it possible. Can this feature be configured in Yocto? Please tell me how.
asked 2024-12-06T06:27:09.0833333+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(19.2, 46%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
高橋 文貴
0
Reputation points
commented 2024-12-09T19:13:30.23+00:00
Sander van de Velde | MVP
33,951
Reputation points MVP
1 answer
IotHub custom endpoints, 9 of 10 used, Azure portal keeps failing to create 10th
Good day, Been trying over and over for quite some time to create the 10th custom endpoint in our IotHub, in the Azure Portal. I keep getting an internal error and told to contact support, but don't have a support plan. We are not on the free tier but…
asked 2024-12-09T09:07:56.65+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, 76%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAW%3C/text%3E%3C/svg%3E)
Adrian Wreyford
45
Reputation points
answered 2024-12-09T18:45:33.94+00:00
Sander van de Velde | MVP
33,951
Reputation points MVP
1 answer
File upload issue via iot hub with new azure c sdk v1.14.0
Hi, I was using azure c sdk version 1.11.0 on my esp32 board, with that connection to iot hub using DPS service x509 certificates works fine. Blob storage is also configured with iot hub. File upload also works fine. Recently I have updated the azure c…
asked 2024-09-09T06:30:37.3966667+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, 25%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESV%3C/text%3E%3C/svg%3E)
Singh, Vineet Prakash (ext)
5
Reputation points
commented 2024-12-09T11:29:53.02+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(236.8, 83%, 32%)' 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)
Shekhar Gupta
0
Reputation points
1 answer
[duplicate] ELMS: how to save module logs to blob storage?
please cross-refer to this post: https://learn.microsoft.com/en-us/answers/questions/2123832/elms-how-to-save-module-logs-to-blob-storage I apologize for the troubles, I had connectivity issues with the forum.
asked 2024-11-27T10:35:17.35+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(76.8, 61%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
Mistyron
25
Reputation points
edited the question 2024-12-09T05:18:37.9866667+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(153.6, 24%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENM%3C/text%3E%3C/svg%3E)
navba-MSFT
26,885
Reputation points Microsoft Employee
1 answer
how to use ELMS to upload module logs to blob
Please see the reported issue on Azure-Samples GitHub: https://github.com/Azure-Samples/iotedge-logging-and-monitoring-solution/issues/36
asked 2024-12-02T17:37:18.63+00:00
Mistyron
25
Reputation points
answered 2024-12-05T17:42:25.17+00:00
Amira Bedhiafi
27,446
Reputation points
0 answers
Deployment error when trying to enable dead-lettering on an event subscription in Azure
Hi, We configured an event subscription (webhook call) on the system topic of an IoT hub event grid to relay events to another system. It works okay in all environments but we noticed some failed event deliveries in Prod, only a fraction of the total IoT…
asked 2024-12-05T16:27:16.38+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(224.00000000000003, 97%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGF%3C/text%3E%3C/svg%3E)
GERARDIN Frederic
0
Reputation points
asked 2024-12-05T16:27:16.38+00:00
GERARDIN Frederic
0
Reputation points
1 answer
How to change networking to connect IoTHub to CosmosDB in private subnet
Hey community! The question: How do I connect my Azure IoTHub to my CosmosDB in private subnet? How I can change the CosmosDB networking/firewall settings to accept traffic coming from a (public) IoTHub service endpoint? Brief description: I have an…
asked 2024-11-07T04:48:20.6966667+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, 20%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQ%3C/text%3E%3C/svg%3E)
Quincy
10
Reputation points
answered 2024-11-30T05:46:08.3666667+00:00
Andriy Bilous
11,616
Reputation points MVP
0 answers
Deploying Defender for IoT Sensor in Azure OT Lab Environment
Hello, I am exploring the use of Microsoft Defender for IoT in my OT lab environment, which is hosted in Azure. My lab setup includes the following resources: OpenPLC SCADA BR FactoryIO Kali Linux I would like to know if it is possible to deploy a…
asked 2024-11-28T21:22:53.3066667+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(208, 91%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHT%3C/text%3E%3C/svg%3E)
Houghton, Tristan
0
Reputation points
edited the question 2024-11-28T21:32:18.54+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, 76%, 11%)' 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)
VarunTha
10,130
Reputation points Microsoft Vendor
1 answer
device connectivity issue when using TLS
I try to send mqtt messages to my Azure IoT hub using port 8883 and TLSv1.2. I uploaded CA certficate (Digicert Global Root G2) in my device, and use SAS authentication for device (client authentication). My hub's monitoring section shows there are…
asked 2024-10-31T15:18:12.33+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(252.8, 89%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
somayeh mahmoodi
0
Reputation points
commented 2024-11-27T19:00:16.1733333+00:00
Sander van de Velde | MVP
33,951
Reputation points MVP
3 answers
One of the answers was accepted by the question author.
Can not provision devices with DPS to one iot hub but other works fine
Hi, I want to use DPS to provision my devices to a particular iot-hub when the provisioning script terminates with: # python provision_x509.py Traceback (most recent call last): File…
1 answer
How to create a Cosmos DB container as a custom endpoint in Azure IoT Hub.
Observed Error: {'code': 500019, 'httpStatusCode': 500, 'message': 'Internal Error. If you contact a support representative please include this correlation identifier: <UUID>, timestamp: <TIME>, errorcode: IH500019.'} Command group iot hub…
asked 2024-11-21T08:54:24.9833333+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, 26%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EL%3C/text%3E%3C/svg%3E)
Linganiveth
0
Reputation points
commented 2024-11-27T01:07:03.57+00:00
Linganiveth
0
Reputation points
1 answer
IoT Hub Device Streams firmware integration
Dear Microsoft team, We are looking to integrate the Device Streams feature into our IoT device firmware, built using Azure SDK for Embedded C and running on Zephyr RTOS. Our goal is to enable remote Zephyr shell access for diagnostics, which Device…
asked 2024-11-22T13:35:00.6866667+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, 14.000000000000002%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVP%3C/text%3E%3C/svg%3E)
Van Petrosyan
0
Reputation points
answered 2024-11-22T14:01:59.1266667+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, 7.000000000000001%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER%3C/text%3E%3C/svg%3E)
Robina
260
Reputation points
1 answer
One of the answers was accepted by the question author.
Retrieving Data from an Existing Mosquitto MQTT Broker
What are the steps to retrieve data from an existing Mosquitto MQTT broker? I have no control on the broker, I only have the required information to subscribe to it. I have found the documentation on Azure to be increasingly convoluted, making it…
asked 2024-11-21T16:35:02.91+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, 59%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQS%3C/text%3E%3C/svg%3E)
Quentin STRINATI
20
Reputation points
accepted 2024-11-22T08:51:26.4766667+00:00
Quentin STRINATI
20
Reputation points
1 answer
Can IoT Hub Route D2C Messages to Service Bus in VNET?
I have a IoT Hub that must be public facing, while I want to have a Service Bus that only allow private access, where my App Services in the VNET will then consume the messages from Service Bus. Now, the question is am I able to route the D2C messages…
asked 2024-11-15T08:21:58.06+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(236.8, 1%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJW%3C/text%3E%3C/svg%3E)
John Wong Yek Hon
100
Reputation points
commented 2024-11-20T20:24:38.3833333+00:00
LeelaRajeshSayana-MSFT
16,786
Reputation points
1 answer
One of the answers was accepted by the question author.
Download large files from Blob Storage
Hello. I am trying to download files from Azure Blob storage to my IoT device. From my understanding I should be able to use system-assigned entity / defaultCredential. My device is a Ubuntu22.04 arm device I provided a system-assigned Identity to my…
asked 2024-11-19T13:56:06.2833333+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(118.4, 21%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EED%3C/text%3E%3C/svg%3E)
Enea de Bollivier
20
Reputation points
accepted 2024-11-20T09:11:18.8566667+00:00
Enea de Bollivier
20
Reputation points