Azure IoT Hub
An Azure service that enables bidirectional communication between internet of things (IoT) devices and applications.
1,127 questions
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
13,471
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
![](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
27,726
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
13,471
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
13,471
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
28,796
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
27,726
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
![](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
edited an answer 2024-01-31T10:10:07.0533333+00:00
Sander van de Velde
28,796
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
13,471
Reputation points
2 answers
Entra Id Authencation to IoT using Visual Studio Credentials
Hi, im trying to switch our IoTHub connection from using a connectionstring to using managed identity. When testing the app in visual studio, i get a pre-auth error message; Consent between first party application '04f0c124-f2bc-4f59-8241-bf6df9866bbd'…
asked 2024-01-15T10:53:07.3233333+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, 18%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJN%3C/text%3E%3C/svg%3E)
Jonas Nordtorp Olesen - Dronevolt
5
Reputation points
commented 2024-01-29T22:58:18.6133333+00:00
LeelaRajeshSayana-MSFT
13,471
Reputation points
1 answer
One of the answers was accepted by the question author.
I want to add devices in Azure IOT Hub with the help of postman? how can i do it?
I want to add devices in Azure IOT Hub with the help of postman? how can i do it?
asked 2023-08-28T07:03:55.1033333+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(121.6, 65%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMU%3C/text%3E%3C/svg%3E)
Muhammad Usman Khan
25
Reputation points
edited a comment 2024-01-29T10:57:03.71+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(230.39999999999998, 50%, 32%)' 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)
Margherita Cesetti
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Isn't there any solution to adopt Device Update for IoT Hub with HTTPS protocol ?
Hi community, I have read that Device Update for IoT Hub is only available with 80 (HTTP protocol) and 8883 (MQTT protocol) by link. Is there a Microsoft solution to adopt 443 port (HTTPS) to use Device Update for IoT Hub ?
asked 2024-01-23T09:15:47.77+00:00
Galgani, Stefano
205
Reputation points
accepted 2024-01-29T07:16:18.8766667+00:00
Galgani, Stefano
205
Reputation points
1 answer
Iot Hub - Connection failed suddenly beacuse of bad credential
We have multiple IoT devices created with self-defined key around 1-2 years ago and keep connecting to IoT Hub till 23/01/2024. All of a sudden, some of the devices disconnected due to bad credential. We have finished the certificate migration in last…
asked 2024-01-25T09:56:33.5533333+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(22.400000000000002, 59%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWC%3C/text%3E%3C/svg%3E)
Winnie Cheng
0
Reputation points
answered 2024-01-25T15:00:24.1033333+00:00
Sedat SALMAN
13,165
Reputation points
1 answer
IoT Hub Decline connection all of a sudden
Hi All I am experiencing some issues with all our WiFi boards connecting to the IoT Hub all of a sudden. I anyone else have any issues or know anything about it? It seems it's related to the SSL certification migration, which I believe is it…
asked 2022-08-04T08:42:24.377+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, 74%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDJ%3C/text%3E%3C/svg%3E)
Dharmesh Joshi
16
Reputation points
edited the question 2024-01-25T00:06:14.8533333+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
0 answers
DT won't ansswer when asking for desired properties
Hello. I'm using mqtt as a protocol to communicate with IoT Hub When reconnecting the device I follow the flow microsoft describes. 1-Device app connects to an IoT hub. 2-Device app subscribes for desired properties update notifications. …
asked 2022-03-21T19:11:07.65+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(137.6, 68%, 23%)' 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)
Mariano Miguel Franceschetti
1
Reputation point
edited the question 2024-01-25T00:03:23.8433333+00:00
QuantumCache
20,031
Reputation points
0 answers
Auto URL encode couldn't be used at cloud to device
Data was sent via Azure IoT Hub's Cloud to Device channel, and the gateway is using the lts_01_2023 branch of the Azure IoT SDK C. It printed 'Unprintable value in encoded string'. See below for detailed information. However, the data I actually sent was…
![](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, 95%, 35%)' 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)
1 answer
How to deploy firmware Update
Hello, I am testing the ADU service, I have imported my .bin file and my manisfest.json. I tagged my device in my device twin with "tags": { "ADUGroup": "tagQueva2" }, and all is well. In the Group and…
asked 2024-01-19T17:05:04.3466667+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, 3%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYT%3C/text%3E%3C/svg%3E)
Yvan Tankeu
0
Reputation points
commented 2024-01-22T22:57:09.61+00:00
Yvan Tankeu
0
Reputation points