Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,234 questions
1 answer
Azure Device Update result code 606 still results in device rebooting immediately
Hello, I have been using ADU for many years now, but a feature is still not working. As our devices are working in production, they are not allowed to reboot during working hours, they must stay on, so when an update occurs, the device must wait for the…
asked 2025-02-04T13:26:51.41+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(188.79999999999998, 71%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELJ%3C/text%3E%3C/svg%3E)
LALANNE Jeremie - CELLENZA
26
Reputation points
commented 2025-02-04T15:45:53.3466667+00:00
LALANNE Jeremie - CELLENZA
26
Reputation points
2 answers
How to check total number of connected devices in IoT hub
Hello, First Im not a cloud engineer and we currently dont have one as of the moment so this is a problem for us. I would like to ask how to check the number of active devices currently connected to our IoT hub. Our devices reboots randomly everyday and…
asked 2025-02-04T05:08:25.6333333+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, 45%, 37%)' 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)
jb_devel
100
Reputation points
edited an answer 2025-02-04T10:39:51.7033333+00:00
Sander van de Velde | MVP
34,536
Reputation points MVP
1 answer
Stream Analytics job does not stream the data to the database
I have a Python script that sends data to the IoT Hub using MQTT. A message routing configuration is set up to route the data to a Blob storage, and this part is working as expected—I can see the data in the storage. My next goal is to route the data to…
asked 2025-01-17T14:57:57.25+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(182.40000000000003, 35%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKA%3C/text%3E%3C/svg%3E)
Klajderic Aljosa HSLU I
0
Reputation points
commented 2025-02-04T03:03:20.7033333+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(112.00000000000001, 77%, 20%)' 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)
Sampath
15
Reputation points Microsoft Vendor
2 answers
How to remove old / nonexistent Tag from Device Twin
I use IoT Hub to test MQTT connectivity with my company's hardware. I look at tag data I'm sending by using Device Twin (to verify the data was sent to Azure). If I change the tags I'm sending - the Device Twin still shows old tags (with old data) that…
asked 2025-01-10T18:08:00.7633333+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(240, 25%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJM%3C/text%3E%3C/svg%3E)
Jeff Marcum
0
Reputation points
commented 2025-02-04T02:57:49.9733333+00:00
Sampath
15
Reputation points Microsoft Vendor
1 answer
Possibility of device onboarding to Azure iothub without device provisioning
Hi , Is it possible to onboard an azure iot device to iothub skipping device provisioning? This is to limit memory usage so that we can switch to a low cost microcontroller?
asked 2025-01-29T04:09:11.6366667+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(246.4, 79%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Anoop Kumar Edappalil Satheesan
0
Reputation points
commented 2025-02-03T05:35:04.8666667+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 (Quadrant Resource LLC)
135
Reputation points Microsoft Vendor
1 answer
How does IoT Hub store retained device-to-cloud messages in the Event Hub-compatible endpoint? Is it stored in memory or disk?
I am working with Azure IoT Hub and using the built-in Event Hub-compatible endpoint for device-to-cloud (D2C) messages. I have the following questions regarding the retention and storage mechanism of these message: Temporary Retention: If a device sends…
asked 2025-01-31T11:24:03.05+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, 60%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHA%3C/text%3E%3C/svg%3E)
Hitesh Agarwal
0
Reputation points
commented 2025-02-03T03:40:14.1233333+00:00
Manas Mohanty (Quadrant Resource LLC)
135
Reputation points Microsoft Vendor
3 answers
"Unauthorized access" error message when using azure CLI "az iot hub device-identity create" command
I am using azure CLI v2.68.0 to create IoT devices in the IoT hub from Raspberry Pi $ az --version azure-cli 2.68.0 core 2.68.0 telemetry 1.1.0 Extensions: azure-iot …
![](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(265.6, 82%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%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(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)
2 answers
One of the answers was accepted by the question author.
Azure IoT Edge - Device To Cloud message size error
I have an exception when an IoT edge module sends a message to the IoT Hub - MessageTooLargeError: Message size is greater than 256KiB. Question: Will a higher tier allow for a larger size? Would not an edge module break it down to smaller chunks…
asked 2025-01-13T20:29:01.3+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(198.4, 75%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGS%3C/text%3E%3C/svg%3E)
Garapati, Sri Kishan
20
Reputation points
commented 2025-01-30T15:39:56.85+00:00
Garapati, Sri Kishan
20
Reputation points
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…
asked 2025-01-03T14:33:14.6666667+00:00
LALANNE Jeremie - CELLENZA
26
Reputation points
accepted 2025-01-23T09:18:24.25+00:00
LALANNE Jeremie - CELLENZA
26
Reputation points
1 answer
How can I make use of telemetry from Azure IoT Hub?
Good day, I have been testing out Azure IoT Hub and so far all I managed to do was connect my device and receive data from it. How can I forward the telemetry from my device(s) to another service (API call to another website). I have looked around but…
asked 2025-01-22T08:47:22.2533333+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(224.00000000000003, 28.000000000000004%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECC%3C/text%3E%3C/svg%3E)
Conrado Camilon
0
Reputation points
answered 2025-01-22T16:47:34.2666667+00:00
Sander van de Velde | MVP
34,536
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
IoT Hub limits
According to the documentation for IoT hub quotas and throttling it looks lika an IoT hub only allowes a total of 300mb for device streaming. This is per hub and not per device. Is this correctly understood? So a hub that allowes 1 miljon devices should…
asked 2025-01-20T15:08:09.19+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, 98%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMW%3C/text%3E%3C/svg%3E)
Mikael Wilfeldt
20
Reputation points
accepted 2025-01-21T06:06:47.4966667+00:00
Mikael Wilfeldt
20
Reputation points
1 answer
One of the answers was accepted by the question author.
Do SAS URIs expire after successful file uploads in IoT Hub?
I am running a script that collects data from a device and uploads it to a storage account at regular intervals. This process is leading to an error, as described in this issue (403 TooManyDevicesError after 10 Files). I suspect that I might be hitting…
asked 2025-01-20T13:36:29.6933333+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, 11%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESD%3C/text%3E%3C/svg%3E)
Schröder, Bernd
20
Reputation points
edited a comment 2025-01-20T13:57:06.38+00:00
Schröder, Bernd
20
Reputation points
1 answer
One of the answers was accepted by the question author.
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
120
Reputation points
accepted 2025-01-06T07:56:29.48+00:00
John Wong Yek Hon
120
Reputation points
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…
![](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)
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
34,536
Reputation points MVP
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
34,536
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
34,536
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
34,536
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
34,536
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
34,536
Reputation points MVP