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Questions tagged [azure-iot-hub]

Azure IoT Hub is a fully managed Microsoft service that enables reliable and secure bi-directional communications between millions of IoT devices and a solution backend.

2008 questions
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Getting keyfactory error while parsing x509 certificate to android

When I'm trying to parse my x509 certificate to android I'm getting the key-factory Error I have generated my x509 certificates from…
Jay Gajjar
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How to send messages to iot edge hub using REST?

I'm using iot edge modules. I need to send messages to the hub from the edge module. Per my understanding, I need to send it first to the iot edge hub, the edge hub will take care of transferring it to the cloud iot hub. I can consume it from…
George Moussa
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Deploy EventGrid using powershell

I have an EventGrid for analyzing the device active and inactive status which means Azure IOT collect the information from sensors and publish the event to EventGrid and subscribe to Azure Queue. It is working fine. Now, I want to deploy this…
Syam Kumar
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Azure Device Twin desired and reported properties synchronization

What is the most appropriate way to synchronize desired and reported properties. Currently how I think it should be: On the Azure portal setup routing of "desired property update" event to IotHub. Create class implementing…
amplifier
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Azure function with Entity Framework and concurrency

I have an IotHub trigger which basically saves an incoming id to the database using Entity Framework if such an id does not exist. [FunctionName("MainFunc")] public static async Task Run( [IoTHubTrigger("messages/events", …
amplifier
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How to update Azure Iothub device status using REST API?

I'm trying to update Iothub device status using Rest API. Link: https://learn.microsoft.com/en-us/rest/api/iothub/service/createorupdatedevice I was able to create a new device using it but not able to update anything. Request: { "eTag":…
hindustani modi
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Device Provisioning custom allocation - setting initial Device Twin in azure function

Custom allocation supports setting the initial device twin as well as the IoT Hub. The device twin does not get set. I've configured the device provisioning service in Azure to use a custom Azure Function. In the Azure function, via custom API, we…
user2503078
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How to register correctly for direct methods in an iot edge java module?

I have an iot edge module in java developed with VS code. Up to now everything was working (meaning: I can send messages to the iot hub without problems). Now I want to add the option to receive messages from the iot hub. As this is not directly…
PKetterle
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IoT hub certificate validation

We have the following certificate chain: RootCA -> IntermProduction -> [leaf certificates] RootCA -> IntermTest -> [leaf test certificates] Does it make a difference if I: a) Upload to IoT hub RootCA b) Upload to IoT hub both IntermProduction…
Maxim Zabolotskikh
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Is FileUpload functionality for Azure IoT Java SDK possible on Android?

We've been trying to use the Azure IoT SDK for Java on Android (via Kotlin) to initiate blob file uploads. The process seems to hang after the SAS token is received and the call to the CloudBlockBlob constructor is made. So I tried calling the…
Jim O'Neil
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Why should I restore the keys in Azure Device Provisioning?

I'm using the service Device Provisioning for my Azure IoT solution. I've created a group of registration with Symmetric key attestation. From the guide: By default, the Device Provisioning Service creates new symmetric keys with a default length of…
davide.ferrari
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Azure IoT Hub: "Signing certificate info did not match chain elements"

I was following this tutorial (https://learn.microsoft.com/en-us/azure/iot-dps/tutorial-group-enrollments) where the goal is to create a group enrollment in Azure Provisioning Service and connect a simulated device to it. After creating the group…
1160716
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Can't fetch data in cosmos DB

Hi i simulate data de to send in azureIoT. getting sample data works fine and when i use stream analytics with cosmos DB nothing is fetched in the data collection. everthing is empty. i tried the change my connection (maybe my company's firewall)…
Saif Ejjilali
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Connection To The Azure Portal Timed Out With Java Custom Module

I am trying out writing custom java module for azure IoT Edge runtime. I am following Tutorial: Develop a Java IoT Edge module and deploy to your simulated device I have 64 bit Ubuntu 18.04 machine and installed Azure IoT edge runtime by following…
Raj
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Is there a way to set parent device while creating an Azure IoT Hub device using node-red?

I am using node red (node-red-contrib-azure-iot-hub) to register the new devices on Azure IoT Hub. The 'Azure IoT Hub Registry' node allows to register new IoT device. I want to set a Parent Device for the new device that I am creating. However, I…
Abdul Allana
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