Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,120 questions
2 answers
One of the answers was accepted by the question author.
Azure IoT Hub C2D Message Queues Logging into storage/queue service.
Hi Team, Hello @LeelaRajeshSayana-MSFT ,We are having an Azure IoT Edge project, where we have multiple IoT Edge devices connected to an IoT HUB. When we send the cloud to devices messages from our backend application to edge devices, the C2D messages…
asked 2024-02-15T15:35:54.8566667+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, 15%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDV%3C/text%3E%3C/svg%3E)
Dhanavath Vishnu
366
Reputation points
commented 2024-02-21T20:32:52.0033333+00:00
LeelaRajeshSayana-MSFT
13,461
Reputation points
3 answers
One of the answers was accepted by the question author.
Messages in C2D messages queued dissapears after coule of hours
Hi, I am currently developing a blob trigger function which will send a message to the IoTHub devices. According to the documentation, it could store the message for approximately 48 hours before it could be send to the device, however in the actual…
asked 2023-02-09T03:20:01.3+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(288, 52%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMG%3C/text%3E%3C/svg%3E)
Muhammad Guruh Ajinugroho
100
Reputation points
commented 2024-02-21T03:19:03.3866667+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, 38%, 15%)' 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)
QuantumCache
20,031
Reputation points
2 answers
One of the answers was accepted by the question author.
Looking for options to transfer telemetry message from one IoT Hub in a subscription to another IoT Hub in another subscription
Hello Community, I'm currently looking for options(apart from azure function) related to transferring IoT Hub messages from one IoT Hub in a subscription to another IoT Hub in a different subscription within the Azure environment. I'm seeking guidance…
asked 2024-02-12T09:53:29.8033333+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(256, 52%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYS%3C/text%3E%3C/svg%3E)
Yashasvi Sai Jagannath Kolachina
40
Reputation points
accepted 2024-02-18T16:45:21.86+00:00
Yashasvi Sai Jagannath Kolachina
40
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure IoT Hub Connection
Hello, I am using Azure IoT Hub for my sensor project. Since .net 8 release i wanted to update my code from .net 6 to .net 8 but after updating my code it takes about solid 1 minute to connect to IoT Hub it was 2-3 seconds in .net 6.
asked 2024-02-16T14:22:05.7233333+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, 75%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOC%3C/text%3E%3C/svg%3E)
Onur Coşkun
20
Reputation points
commented 2024-02-17T19:39:29.1933333+00:00
Sander van de Velde
28,466
Reputation points MVP
2 answers
Error importing an update
I'm currently testing the Device Update Service. As a first step I try to upload a simple Python file to a device. However, I keep getting the following error message when importing the update into the IoT Hub: Import manifest contains invalid data.…
asked 2024-02-12T08:54:49.0466667+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, 62%, 24%)' 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)
AZ ADM Steffens, Martin
0
Reputation points
answered 2024-02-13T09:56:31.86+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(137.6, 51%, 23%)' 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)
Steffens, Martin
0
Reputation points
2 answers
No device connection string in IoT Hub
We are building in the functionality to send cloud to device messages to trigger actions on device remotely. We are actually looking for how to create the device connection string programmatically, but when we check in IoT hub none of our devices have…
asked 2024-02-07T20:34:39.3766667+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(179.20000000000002, 33%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EI%3C/text%3E%3C/svg%3E)
Innov8
15
Reputation points
commented 2024-02-12T21:27:52.4266667+00:00
LeelaRajeshSayana-MSFT
13,461
Reputation points
1 answer
One of the answers was accepted by the question author.
IoT Hub Integration
Question, is it possible to pull the IoT device information from the Azure IoT Hub into a firewall device (i.e. Fortigate, Palo Alto, CheckPoint, etc), to be used to build enforcement (rules) policies.
asked 2024-02-09T15:32:28.2466667+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, 46%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMI%3C/text%3E%3C/svg%3E)
Mitchell,I,Ian,VSC R
20
Reputation points
accepted 2024-02-12T14:08:48.27+00:00
Mitchell,I,Ian,VSC R
20
Reputation points
0 answers
Import of simple update failed
I'm testing the Device Update Service. As a first step I try to upload a simple Python file to a device. However, I keep getting the following error message when importing the update into the IoT Hub: Import manifest contains invalid data. (Field…
asked 2024-02-12T09:10:16.3533333+00:00
Steffens, Martin
0
Reputation points
commented 2024-02-12T12:55:02.6366667+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(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
27,401
Reputation points
1 answer
One of the answers was accepted by the question author.
How to make custom DTMI model private for ADU
We are using ADU to udpate our devices. We currently have the modelId dtmi:azure:iot:deviceUpdateContractModel;1 set in DPS and our device. All the other ADU requirements are also met and we can see the device in the devices list in the…
asked 2023-09-19T11:54:30.72+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, 7.000000000000001%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOV%3C/text%3E%3C/svg%3E)
Oetze van den Broek
121
Reputation points
commented 2024-02-08T14:06:00.2833333+00:00
LeelaRajeshSayana-MSFT
13,461
Reputation points
1 answer
One of the answers was accepted by the question author.
Stream Analytics Job within the private subnet is not reading input from IoT Hub on the same private VNET
Hello! I've setup a private virtual network and resources for IoT Hub and Stream Analytics. IoT Hub is setup on a private endpoint within subnet1 of my private VNET and Stream Analytics is made to run within the same private VNET from another subnet. …
asked 2024-02-06T15:36:29.0033333+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(284.8, 30%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVH%3C/text%3E%3C/svg%3E)
Vishwanath Hariharan
30
Reputation points
commented 2024-02-08T13:51:28.67+00:00
LeelaRajeshSayana-MSFT
13,461
Reputation points
1 answer
How to clear my iothub partitions?
Hi all I have 30 devices that sent continuous data for 18 hours . The data didnt go through Iot hub. Iot hub is somehow buffering this data and sending it slowly which is why im not able to receive new data. Is there a way to clear the old data from iot…
asked 2024-01-31T07:15:03.53+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(54.400000000000006, 15%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESN%3C/text%3E%3C/svg%3E)
Sharon Nisha Thiruvarul Durai
0
Reputation points
commented 2024-02-08T10:29:24.4733333+00:00
AshokPeddakotla-MSFT
27,401
Reputation points
1 answer
Functionality for cloud to device messages, custom topics, websockets
It seems that there is no functionality for cloud to device messages, custom topics, and websockets. This was pretty surprising as they are the core requirements for pretty much any IoT solution. We should have looked further into IoT Hub before…
asked 2024-02-04T03:18:11.7366667+00:00
Innov8
15
Reputation points
commented 2024-02-08T03:48:15.27+00:00
AshokPeddakotla-MSFT
27,401
Reputation points
1 answer
Azure IoT Hub Python device constantly crashing
Hi all. We have an existing program that uses Intel Neural Compute stick to classify the stream from a USB camera and send messages to a broker. Previously we used our own MQTT broker and this device would run for months with no issues. We have swapped…
asked 2024-02-06T16:11:15.7733333+00:00
Innov8
15
Reputation points
commented 2024-02-07T08:30:27.6333333+00:00
Sander van de Velde
28,466
Reputation points MVP
2 answers
One of the answers was accepted by the question author.
Troubleshooting Error when Updating Device State from Disabled to Enabled Using iothub SDK Registry.fromConnectionString
I'm encountering the following error while attempting to update a device's state from disabled to enabled using the iothub SDK's Registry.fromConnectionString. This error didn't occur previously, and I'm uncertain about its cause. Any advice would be…
asked 2024-01-29T09:11:31.12+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(214.4, 91%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK3%3C/text%3E%3C/svg%3E)
KURAMOTOAHUJATAIRA-3118
250
Reputation points
accepted 2024-02-07T00:11:53.2233333+00:00
KURAMOTOAHUJATAIRA-3118
250
Reputation points
2 answers
One of the answers was accepted by the question author.
Request for Access to Microsoft Connected Cache
I am working on a solution for Disconnected Device Updates and hoping to test out using the Microsoft Connected Cache module. I submitted a request to access the module from this link two weeks ago but have not received any emails or anything related to…
asked 2024-02-01T15:40:19.1033333+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(240, 28.000000000000004%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAG%3C/text%3E%3C/svg%3E)
Abby Greentree
126
Reputation points
accepted 2024-02-05T23:36:45.0833333+00:00
Abby Greentree
126
Reputation points
1 answer
Where to store IoT time series and event data
Where is the best place for me to store IoT time-series and event data?
asked 2024-01-31T16:06:53.05+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(137.6, 83%, 23%)' 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)
Sam
0
Reputation points
commented 2024-02-05T16:55:15.4833333+00:00
LeelaRajeshSayana-MSFT
13,461
Reputation points
1 answer
MQTT client connect attempt failed. Check host, device id, username and password
I am doing a project on Arduino that sends temperature and humidity data to the central IOT for display. However, I noticed that they made migrations and needed to update the DigiCert Global G2 root. My project is very simple and I had not noticed this…
asked 2024-01-24T19:17:21.38+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(246.4, 46%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMR%3C/text%3E%3C/svg%3E)
Mario Ramiro Moreno Arias
0
Reputation points
commented 2024-02-02T15:53:57.1266667+00:00
AshokPeddakotla-MSFT
27,401
Reputation points
1 answer
One of the answers was accepted by the question author.
Not able to receive desired properties.
Hi I am working on stm32u585 board. I have integrated the adu(azure device update) code from azure iot middleware (link). also I have configured the device update for IoT hub on azure portal. I didn't see any writable properties receive on device side…
![](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, 38%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAC%3C/text%3E%3C/svg%3E)
3 answers
How to increase the 100 IoT Edge automatic deployments limit in a an IoT Hub Azure service?
Hi I'm getting the ConfigurationCountLimitExceeded error when trying to deploy a new deployment. ERROR: {'Message': 'ErrorCode:ConfigurationCountLimitExceeded;Number of deployments exceed the maximum quota 100 for this IotHub.', 'ExceptionMessage':…
asked 2024-01-29T14:49:35.5933333+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, 78%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENP%3C/text%3E%3C/svg%3E)
Nahuel Pablo Carducci
0
Reputation points
commented 2024-02-01T23:59:31.8966667+00:00
LeelaRajeshSayana-MSFT
13,461
Reputation points
1 answer
OTA using azure iot hub
Hi, Currently I'm doing a mini OTA update using azure iot hub and blob storage. I have my .bin LED blink file in blob storage. I want to send this bin file to my device in iot hub which is stm32. I'm able to send my led status to iot hub using 4G gsm…
asked 2024-01-21T10:39:56.5833333+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(57.599999999999994, 86%, 15%)' 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)
Sai Devaraj Manoharan
40
Reputation points
commented 2024-02-01T23:54:17.7733333+00:00
LeelaRajeshSayana-MSFT
13,461
Reputation points