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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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Error when updating device via CreateOrUpdateIndividualEnrollmentAsync with IoT DPS

The error below occurred when an existing device that has been enrolled with IoT DPS is updated with the code below: Executed 'MyFunction' (Failed, Id=xxx) System.Private.CoreLib: Exception while executing function: MyFunction.…
Pingpong
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How can we update UWP application run on raspberry pi 3 remotely from Azure Iot hub?

I have created UWP c# application that run on Raspberry pi 3 with windows 10 Iot core OS.It has program that read sensor data and send data to Azure.We want to make sure that once it deploy to customer location we would be able to manage and update…
NILKEN MISTRY
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How to process the telemetry json messages in Azure data lake Gen2?

I have simulated devices which is sending messages to IoT Hub blob storage and from there I am copying data(encoded in JSON format) to Azure Data Lake Gen2 by creating a pipeline using Azure Data Factory. How to convert these json output file to CSV…
Lalatendu Mohanty
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Unable to Communicate with Azure IoTHub from ThreadX client

We are creating an application where ThreadX based client would be communicating with IOT Hub. Made appropriate adapter changes to make client work with IOT Azure C SDK. We observe "Bad Certificate" error thrown by client on wire shark error. From…
Koushik mondal
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Time Series Insights is burning money. Is it safe to delete it?

I see that I'm being charged daily for Time Series Insights. I don't think I'm using it and I see that I can delete it in the Azure portal, but is it safe to do so and will it save money?
Jon Th
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Sending message to IoTHub fails

I have been working on a device which is sending some data to an Azure IoT hub The device is doing this on two different locations in the code. On one side it works perfectly and I can connect to the Hub via Connection String and transport type…
Michael
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Azure IoT Remote Monitoring Web UI doesn't start on local machine - Unauthorized

I'm trying to get the Azure IoT Remote Monitoring Web UI (https://github.com/Azure/pcs-remote-monitoring-webui) to run on my local machine and connect to a deployed instance of the solution at https://{your solution name}.azurewebsites.net/ I get an…
Jon Th
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I am trying to understand how to choose number of Azure IOT Hubs in a scenario where I have variety of devices sending variety of data

I am trying to understand on do I need to choose individual IOT HUB based on device category. For Example I have devices sending GPS info. Devices send stock info Devices sending quality info. Devices sending security info. Devices sending fire…
Chaitanya Pulipaka
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Publish with Python to Azure IoT Hub - Subscribe with C# not working

I publish with M2MQTT Paho Python library on the device as follows: msg = "POS {} {} {} {} {} {} {}" msgtosend=msg.format(tagNum, tagID, x_pos, y_pos, z_pos, qos, unk) print(msgtosend) # qos=1 - (must be when clean_session is False)…
Leon
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Error when using .so: "wrong ELF class: ELFCLASS64" on 32-bit machine

Using Python 2.7.15 Ubuntu 18.04.2 on a 64-bit machine to build per instructions at https://github.com/Azure/azure-iot-sdk-python/blob/master/doc/python-devbox-setup.md#build-the-azure-iot-hub-sdks-for-python-on-linux, we get this error when…
J Greene
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OutputDataConversionError.TypeConversionError writing to Azure SQL DB using Stream Analytics from IoT Hub

I have wired up a Stream Analytics job to take data from an IoT Hub and write it to Azure SQL Database. I am running into an issue with one input field which is a date/time object '2019-07-29T01:29:27.6246594Z' which always seems to result in an…
Simon W
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Connecting with M2MQTT Paho Python client to Azure IoT Hub

I am using the following code in attempt to connect to Azure IoT Hub. It uses SAS, therefore no security certificates are needed. I am successfully connecting to Azure IoT Hub using the same M2MQTT library in C# but this code fails with: Failed to…
Leon
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How does an IoT client report a changed property to the IoT Hub?

I'm using the azure-iot-sdk-c library for an iot device to talk to an IoT hub. I use IoTHubDeviceClient_LL_SetDeviceTwinCallback() to register a callback function in my client code that gets called whenever a device twin state property changes. In…
Jon Th
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Create a new record in Dynamics 365 Connected Field Service using Azure LogicApps

I am trying to create a new record in Dynamics 365 Connected Field Service. I have created a query in Stream Analytics which sends the device data to a queue. In Azure LogicApps the payload message for example looks like…
es_jm
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Get Azure IOT Hub connection string from UWP app on provisioned device

I have a Raspberry Pi running Windows IOT Core, which has been provisioned to an Azure IOT Hub. I'm writing a UWP app and I want to send messages to the IOT Hub, which I think I need Microsoft.Azure.Devices.Client.DeviceClient to do. DeviceClient…
zivkan
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