Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,244 questions
1 answer
Few devices under Azure IoT hub are showing as Disconnected
Hi, We have created 02 IoT hub instances to collect data from On-Premise servers to Azure Datalake. under each instance there are 7-8 devices created, all were running well from last couple oy years, recently from 11th Feb onwards the dataflow stopped…
asked 2025-02-17T06:17:16.1366667+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(124.80000000000001, 24%, 22%)' 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)
Satish Kumar
51
Reputation points
edited a comment 2025-02-21T17:45:00.7366667+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(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
340
Reputation points Microsoft Vendor
2 answers
One of the answers was accepted by the question author.
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
edited an answer 2025-02-21T12:02:28.8366667+00:00
Klajderic Aljosa HSLU I
0
Reputation points
1 answer
How can i connect esp8266 running on micropython to azure iot hub
I am begineer help me with connection of microsoft azure iot hub to esp8266
asked 2025-02-18T18:44:51.15+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(259.20000000000005, 23%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETS%3C/text%3E%3C/svg%3E)
Tanish Sidana
0
Reputation points
commented 2025-02-21T08:52:35.31+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
745
Reputation points Microsoft Vendor
1 answer
Unable to enable intelligence pack in Log Analytics workspace error while linking to defender for IoT
Hello everyone, Context To understand how defender for IoT for device builders work, I am linking log analytics workspace to the defender for IoT as per this document I followed the MS instructions to setup resource provider and access control for log…
asked 2025-02-14T08:42:28.9533333+00:00
Arjun Sivasree
50
Reputation points
commented 2025-02-20T14:26:18.8266667+00:00
Alex Burlachenko
1,190
Reputation points
1 answer
azure-iot-middleware-freertos
Hello, I am trying to integrate the azure-iot-middleware-freertos repository into and ESP32 project. The documentation states that a developer can use Cmake to add the repository to a project via: add_subdirectory(azure-iot-middleware-freertos) Are an…
asked 2025-02-19T16:53:07.38+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(70.4, 16%, 16%)' 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)
Steve Gal
0
Reputation points
answered 2025-02-20T10:50:40.43+00:00
Manas Mohanty
745
Reputation points Microsoft Vendor
1 answer
IoT Hub monitor shows unauthorized access errors, for modules that seem to be working fine.
We're seeing regular unauthorized access errors from devices/modules in IoT Hub log monitor - see attached error report. The odd thing is the modules seem to be working OK so maybe this is part of a reconnection type event. Should we be worried about a…
asked 2025-02-07T11:36:36.58+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(163.2, 88%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMJ%3C/text%3E%3C/svg%3E)
MUNRO, JAMIE
0
Reputation points
commented 2025-02-20T09:53:26.4466667+00:00
MUNRO, JAMIE
0
Reputation points
1 answer
I lost my free credit for the student account even though I'm sure I disabled the services I had used but the credit still ran out. i need the credit for a university project. is there anyway i can get it back?
I created a student account for a module in university. I had the free 200USD and didn't use them all. I had plenty left. I'm sure I didn't leave anything running so I don't know how the credits have been used up. I need the credits to connect to an IoT…
asked 2025-02-17T14:08:51.6366667+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(163.2, 77%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
MUDASSAR ARSHAD
0
Reputation points
commented 2025-02-19T14:04:22.3766667+00:00
Manas Mohanty
745
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
Why isn’t my IoT Hub telemetry being ingested into Cosmos DB via Azure Functions?
Overview: I'm building an IoT solution on Azure where devices send telemetry to IoT Hub. The telemetry is routed using IoT Hub’s built-in Event Hub–compatible endpoint, and an Azure Function (using Python and the V2 programming model) to processes the…
asked 2025-02-14T11:13:06.2433333+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, 26%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHK%3C/text%3E%3C/svg%3E)
Heeyaichen Konsam
20
Reputation points
edited a comment 2025-02-18T10:19:39.8033333+00:00
Heeyaichen Konsam
20
Reputation points
1 answer
One of the answers was accepted by the question author.
Failed dependency error while trying to link a log analytics workspace to defender for iot within iot hub.
Hello everyone, Context To understand how defender for iot for device builders work, I am linking log analytics workspace to the defender for IoT as per this…
asked 2025-02-13T10:24:19.4466667+00:00
Arjun Sivasree
50
Reputation points
commented 2025-02-14T16:44:34.6866667+00:00
Manas Mohanty
745
Reputation points Microsoft Vendor
0 answers
Failed dependency error while trying to link a log analytics workspace to defender for iot within iot hub.
Hello everyone, Context: To understand how defender for iot for device builders work, I am linking log analytics workspace to the defender for IoT as per this…
asked 2025-02-13T10:33:02.0766667+00:00
Arjun Sivasree
50
Reputation points
commented 2025-02-14T02:43:21.5733333+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
25
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
How to Fetch Messages from Azure IoT Hub in Real-time Using NestJS/Node.js?
We have an Azure IoT Hub where IoT devices ( buttons) are connected. We need to build a NestJS (Node.js) application that connects to IoT Hub or Event Hub to receive messages in real-time when a device sends telemetry data. Our goal is to listen for…
asked 2025-02-12T05:21:02.01+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, 69%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAB%3C/text%3E%3C/svg%3E)
Ankit Bavne
20
Reputation points
accepted 2025-02-12T07:01:51.25+00:00
Ankit Bavne
20
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
120
Reputation points
commented 2025-02-10T02:25:17.6233333+00:00
Manas Mohanty
745
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
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
20
Reputation points
edited a comment 2025-02-09T09:54:57.34+00:00
Conrado Camilon
20
Reputation points
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
31
Reputation points
commented 2025-02-07T17:35:11.1066667+00:00
LeelaRajeshSayana-MSFT
17,116
Reputation points
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
edited a comment 2025-02-05T18:56:15.4833333+00:00
Sampath
340
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 2025-02-05T03:22:47.7766667+00:00
Manas Mohanty
745
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
Manas Mohanty
745
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
31
Reputation points
accepted 2025-01-23T09:18:24.25+00:00
LALANNE Jeremie - CELLENZA
31
Reputation points