Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,116 questions
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
13,456
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
![](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
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
27,386
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
13,456
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
13,456
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
27,386
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
27,386
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
28,386
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
13,456
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
27,386
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
13,456
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
13,456
Reputation points
1 answer
One of the answers was accepted by the question author.
How to send an MQTT message from a ReactNative App to Azure IotHub?
I have built an IoT system using Azure IoT Hub. I can’t install Azure IotHub into my ReactNative app to send Mqtt messages. Is there any way to send messages from ReactNative app? Please help me guide me. Or if there is another way, please explain it…
asked 2024-01-31T08:33:55.38+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(304, 6%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENV%3C/text%3E%3C/svg%3E)
Nguyen Van Tai
20
Reputation points
commented 2024-02-01T08:28:20.0166667+00:00
Sander van de Velde
28,386
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
How can I prevent the connection with IoTHUB from being disconnected after 65 minutes?
Currently, we are building a system that connects to IoTHUB via DPS to send telemetry and perform ADU. The system disconnects from IoTHUB every 65 minutes, so we have built in a process to reconnect each time. I am also trying to perform ADU on the…
![](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, 16%, 17%)' 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)
1 answer
How to get device twin using Azure IoT Hub REST API on Android
I want to get device twin by calling Azure IoT Hub REST API with Volley GET request on Android. Can you provide sample code? I've tried several things, but I get the following error code: 1) BasicNetwork.performRequest: Unexpected response code 401…
asked 2022-09-27T09:03:07.033+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(38.4, 89%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWI%3C/text%3E%3C/svg%3E)
wifi iot
1
Reputation point
edited the question 2024-01-31T15:19:17+00:00
AshokPeddakotla-MSFT
27,386
Reputation points
1 answer
How to clear my iothub partitions?
Hi all, 30 devices of mine sent continuous data (every second) for 18 hours. The message quota went upto 182K messages in 1 day. I need to get rid of the old data(185K messages) so that i can only receive the latest data. I have turned all 30 devices off…
asked 2024-01-31T07:11:35.74+00:00
Sharon Nisha Thiruvarul Durai
0
Reputation points
edited an answer 2024-01-31T10:10:07.0533333+00:00
Sander van de Velde
28,386
Reputation points MVP
1 answer
Can two or more devices share the same device x509 certificates?
I know this is not advised but I was wondering if it's possible. Will one device drop if the second one tries to connect at the same time? thanks
asked 2024-01-26T13:03:04.7533333+00:00
Haris Papageorge
246
Reputation points
commented 2024-01-30T23:35:58.7566667+00:00
LeelaRajeshSayana-MSFT
13,456
Reputation points