Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,140 questions
2 answers
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
0
Reputation points
answered 2024-06-05T13:03:31.5766667+00:00
Sander van de Velde
30,016
Reputation points MVP
0 answers
How do device updates work on Windows Iot devices
I have a need to run some custom code on up to 50+ windows machines in a manufacturing floor. The code for all machines would be the same, and will need to communicate with some hardware peripherals as well as communicate with the cloud via IoT Hub. I am…
asked 2024-06-04T23:29:18.1033333+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, 63%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERD%3C/text%3E%3C/svg%3E)
Robert de Brum
0
Reputation points
edited the question 2024-06-05T04:16:22.4333333+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, 64%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EON%3C/text%3E%3C/svg%3E)
OMMI NAVEEN KUMAR
195
Reputation points Microsoft Vendor
1 answer
We have detected that your IoT Hub likely has had maintenance events in the past 24 hours which could have led to the temporary disconnection of devices, SLA impacts or other service interruptions.
chirpstack-network-server_1 | time="2023-10-19T06:57:59Z" level=fatal msg="gateway-backend setup failed: new c2d session and link error: cbs negotiate claim error: protocol error: received flow without next-incoming-id after session…
asked 2023-10-19T09:05:48.0066667+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, 1%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
John Papadopoulos
5
Reputation points
commented 2024-06-04T07:34:16.0266667+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, 68%, 11%)' 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)
Lubomir Juriga
1
Reputation point
2 answers
Real Estate Core Ontology and mapping
Hello, I have implemented the ontology for real estate core provided by Microsoft and willow. I am able to upload all the models at once and I am able to visualize it also. Now I have an IFC file of a particular building. I need to author DTDL model for…
![](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(195.2, 18%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJJ%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(3.2, 12%, 10%)' 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)
0 answers
Azure IoT Hub C2D metrics & throttling
Scenario: We reached the number of C2D messages per second, and while trying to send a C2D message to our devices, we encountered exceptions that informed us that the request quota for C2D messages was exceeded. Are there any built-in Azure metrics…
asked 2024-06-03T14:49:38.0366667+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, 28.000000000000004%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKL%3C/text%3E%3C/svg%3E)
Kamil Lucyszyn
20
Reputation points
edited the question 2024-06-04T03:00:48.5333333+00:00
OMMI NAVEEN KUMAR
195
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
Azure IoT Hub service availability zones
We currently have an IoT Hub Service in a region without support for availability zones. I understand what an Availability Zone is, but I'm not sure what the bad consequences for our IoT solution can be if our current region does not support…
asked 2024-06-03T11:58:37.13+00:00
Kamil Lucyszyn
20
Reputation points
edited the question 2024-06-04T03:00:14.7833333+00:00
OMMI NAVEEN KUMAR
195
Reputation points Microsoft Vendor
1 answer
Set the expiry of cloud to device message in Azure IoT hub
I am well aware of setting the message expiration time from the portal by configuring the Default TTL under Cloud to device Messaging of Iot Hub. From the documentation(https://learn.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-messages-c2d), we…
asked 2024-05-30T20:00:29.23+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, 24%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAR%3C/text%3E%3C/svg%3E)
Amit Rathod
10
Reputation points
commented 2024-06-03T15:38:17.3033333+00:00
Amit Rathod
10
Reputation points
2 answers
One of the answers was accepted by the question author.
How to build a dashboard that displays the KPIs of sensor data in real-time on Azure
I connected sensor data to the IoT hub, and it's connected to the time series insights. So the data flow is like this: sensor data-> IoT hub -> time series insights The sensor message is a JSON message that contains temperature, humidity, and…
asked 2022-11-15T04:52:11.687+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(115.19999999999999, 92%, 21%)' 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)
Pezhman Sharafdin
21
Reputation points
answered 2024-06-01T05:56:22.26+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, 24%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EUB%3C/text%3E%3C/svg%3E)
Uri Barash
176
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Azure IoT central device cannot connect to MQTT after several days of working
I was testing 1 IoT central devices over the weekend, from 3/31 19:00 KST, and another for more than 10 days, but I found that they are both disconnected since 4/1 05:34AM KST and 4/1 05:05AM KST. One of them shows error as follows. 2023/4/4 11:13:47…
asked 2023-04-04T02:30:59.6566667+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, 78%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECP%3C/text%3E%3C/svg%3E)
Casey Park
40
Reputation points
accepted 2024-05-31T04:18:13.95+00:00
Casey Park
40
Reputation points
1 answer
Unable to delete Event Subscription
I tried to create event subscription for Azure Event Grid Name space. I am a bit new to Azure so I messed up and chose storage queue as endpoint as at that time I dont know how to create event gris system topic and namespace. Then I deleted that queue…
asked 2024-04-29T08:40:09.9333333+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(83.2, 32%, 18%)' 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)
Sai k Marthi
20
Reputation points
commented 2024-05-30T11:22:47.91+00:00
Sai k Marthi
20
Reputation points
0 answers
Unable to deploy Azure Spatial Analysis container.
I followed the instructions (thoroughly) mentioned in the Azure Spatial Analysis container installation guide (https://learn.microsoft.com/en-us/azure/ai-services/computer-vision/spatial-analysis-container) and eventually encountered an error -…
asked 2024-05-22T12:36:20.35+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(102.4, 14.000000000000002%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERD%3C/text%3E%3C/svg%3E)
Ramesh Damma
0
Reputation points
commented 2024-05-24T03:24:45.94+00:00
Ramesh Damma
0
Reputation points
2 answers
Can't enable data collection for Enable Microsoft Defender for IoT
Hi, I can't enable data collection for Microsoft Defender for IoT. Enable data collection button turns on successfully but it doesn't seems to work. Once you go again to IOT Hub>Defender for IOT>Settings>Data collection and Enable Microsoft…
asked 2024-05-20T13:48:58.0533333+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(73.60000000000001, 20%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPZ%3C/text%3E%3C/svg%3E)
Przemyslaw Zebik
0
Reputation points
answered 2024-05-21T17:31:56.32+00:00
Przemyslaw Zebik
0
Reputation points
0 answers
TLS Certifcation Error
Hello everyone, I am doing my some work with Azure IoT Hub. I am using Walter board by dptechnices. I am using walter board and try to connect with Azure IoT Hub using modem. I am new to this stuff. So i am facing problem while do connection with Azure…
asked 2024-05-21T07:59:32.4666667+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, 82%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKK%3C/text%3E%3C/svg%3E)
Kayani, Khubaibali
0
Reputation points
edited the question 2024-05-21T10:46:24.6466667+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(233.6, 46%, 32%)' 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)
ManoharLakkoju
615
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
X.509 CA Signed certificate is not available in authentication type of IoT Edge Device
Hi, While adding a device in IoT Hub, we can choose whether the device is IoT Edge Device or not. When we select IoT Edge Device the authentication type only shows 2 Options - (Symmetric Key and X.509 Self Signed), but if we do not select IoT Edge…
asked 2022-12-21T07:25:47.807+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, 98%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESC%3C/text%3E%3C/svg%3E)
Satyam Chauhan
537
Reputation points
edited a comment 2024-05-17T12:01:05.79+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, 86%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMT%3C/text%3E%3C/svg%3E)
Mihuc, Teodora
0
Reputation points
1 answer
iot device provisionning service with free iot hub
Hi team, I read on the docs that the free iot hub is compatible with iot device provisionning service, but when I create my provisionning service and try to link it to a free iot hub than it's not letting me continue. How am I supposed to do my tests?…
asked 2024-05-16T16:00:19.08+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, 31%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJL%3C/text%3E%3C/svg%3E)
Jonas Lerebours
0
Reputation points
answered 2024-05-16T19:05:48.92+00:00
Sander van de Velde
30,016
Reputation points MVP
1 answer
OPCPublisher is in error state
Hi Team, We have OPCPublisher IoT edge module is in error state. Please find below error log. It indicates publishednodes.json file has one parameter OpcAuthenticationMode which is empty. But all the required fields in publishednodes.json file have valid…
asked 2024-05-16T09:05:29.82+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, 8%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKS%3C/text%3E%3C/svg%3E)
Khandu Shinde
110
Reputation points
answered 2024-05-16T18:40:14.27+00:00
Sander van de Velde
30,016
Reputation points MVP
0 answers
Connecting Streamanalytics to IoTHub
Hi all, We're facing the issue that since 2 days ag We're getting the problem that "Stream Analytics job has validation errors: Unable to connect to IoT Hub using connection string. Please make sure you have configured the IoT Hub input correctly. …
asked 2023-06-19T14:55:11.37+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(0, 81%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGQ%3C/text%3E%3C/svg%3E)
Georgios - QU
0
Reputation points
commented 2024-05-16T07:00:47.45+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(150.4, 15%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKG%3C/text%3E%3C/svg%3E)
Keith Graham
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure IoT Middleware for Freertos - Failed to establish MQTT connection, error 0x00000006
I used the ESP32S3 for azure iot connection and according to the code I have done the following: DPS: prvConnectToServerWithBackoffRetries --> OK AzureIoTProvisioningClient_Init --> OK AzureIoTProvisioningClient_Register -->…
![](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(281.6, 79%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELL%3C/text%3E%3C/svg%3E)
0 answers
Azure IoTHub rejects new devices: azure_iot_hub: Failed to connect MQTT client, error: -111
My set of new devices are unable to connect to the IoTHub. We have quite a number of existing devices connecting ok, this is new (factory) devices, with new certificates. If I try a new device configured with one of the old (existing) certificates it…
asked 2024-05-13T13:42:52.3033333+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, 36%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAE%3C/text%3E%3C/svg%3E)
Alf E. Helseth
0
Reputation points
asked 2024-05-13T13:42:52.3033333+00:00
Alf E. Helseth
0
Reputation points
2 answers
How to send different message to different topics with same Mqtt Connection
Hi Team, we are working on one of the project where we wanted data to publish using Mqtt Protocol. though we are able to publish message to single topic(devices/{deviceId}/messages/events/), we wanted to check if we can be able to publish message to…
asked 2024-05-13T07:42:35.4266667+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(176, 54%, 27%)' 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)
Pisipati, Santosh
0
Reputation points
answered 2024-05-13T08:30:39.7233333+00:00
Sander van de Velde
30,016
Reputation points MVP