Azure IoT Hub service availability zones
We currently have an IoT Hub Service in a region without support for availability zones. I understand what an Availability Zone is, but I'm not sure what the bad consequences for our IoT solution can be if our current region does not support…
Set the expiry of cloud to device message in Azure IoT hub
I am well aware of setting the message expiration time from the portal by configuring the Default TTL under Cloud to device Messaging of Iot Hub. From the documentation(https://learn.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-messages-c2d), we…
How to build a dashboard that displays the KPIs of sensor data in real-time on Azure
I connected sensor data to the IoT hub, and it's connected to the time series insights. So the data flow is like this: sensor data-> IoT hub -> time series insights The sensor message is a JSON message that contains temperature, humidity, and…
Azure IoT central device cannot connect to MQTT after several days of working
I was testing 1 IoT central devices over the weekend, from 3/31 19:00 KST, and another for more than 10 days, but I found that they are both disconnected since 4/1 05:34AM KST and 4/1 05:05AM KST. One of them shows error as follows. 2023/4/4 11:13:47…
Unable to delete Event Subscription
I tried to create event subscription for Azure Event Grid Name space. I am a bit new to Azure so I messed up and chose storage queue as endpoint as at that time I dont know how to create event gris system topic and namespace. Then I deleted that queue…
Can't enable data collection for Enable Microsoft Defender for IoT
Hi, I can't enable data collection for Microsoft Defender for IoT. Enable data collection button turns on successfully but it doesn't seems to work. Once you go again to IOT Hub>Defender for IOT>Settings>Data collection and Enable Microsoft…
TLS Certifcation Error
Hello everyone, I am doing my some work with Azure IoT Hub. I am using Walter board by dptechnices. I am using walter board and try to connect with Azure IoT Hub using modem. I am new to this stuff. So i am facing problem while do connection with Azure…
X.509 CA Signed certificate is not available in authentication type of IoT Edge Device
Hi, While adding a device in IoT Hub, we can choose whether the device is IoT Edge Device or not. When we select IoT Edge Device the authentication type only shows 2 Options - (Symmetric Key and X.509 Self Signed), but if we do not select IoT Edge…
iot device provisionning service with free iot hub
Hi team, I read on the docs that the free iot hub is compatible with iot device provisionning service, but when I create my provisionning service and try to link it to a free iot hub than it's not letting me continue. How am I supposed to do my tests?…
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OPCPublisher is in error state
Hi Team, We have OPCPublisher IoT edge module is in error state. Please find below error log. It indicates publishednodes.json file has one parameter OpcAuthenticationMode which is empty. But all the required fields in publishednodes.json file have valid…
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Connecting Streamanalytics to IoTHub
Hi all, We're facing the issue that since 2 days ag We're getting the problem that "Stream Analytics job has validation errors: Unable to connect to IoT Hub using connection string. Please make sure you have configured the IoT Hub input correctly. …
Azure IoT Middleware for Freertos - Failed to establish MQTT connection, error 0x00000006
I used the ESP32S3 for azure iot connection and according to the code I have done the following: DPS: prvConnectToServerWithBackoffRetries --> OK AzureIoTProvisioningClient_Init --> OK AzureIoTProvisioningClient_Register -->…
Azure IoTHub rejects new devices: azure_iot_hub: Failed to connect MQTT client, error: -111
My set of new devices are unable to connect to the IoTHub. We have quite a number of existing devices connecting ok, this is new (factory) devices, with new certificates. If I try a new device configured with one of the old (existing) certificates it…
How to send different message to different topics with same Mqtt Connection
Hi Team, we are working on one of the project where we wanted data to publish using Mqtt Protocol. though we are able to publish message to single topic(devices/{deviceId}/messages/events/), we wanted to check if we can be able to publish message to…
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Azure IoT Edge on premises device updates
Is it possible to manually provide updates to Azure IoT Edge when disconnected from IoT Hub? The aim is that devices will never have to connect to anything other than the IoT edge server, and the edge server will not connect to the internet. Instead,…
IoT Certification
Hello Everybody. I saw that the Azure IoT certification that existed in the past does not exist anymore... Would you have maybe some tips or ideas about which certification could be useful instead? I was thinking that the Data Engineer path could be a…
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How can I display a folder structure in the IoTCentral devices Files tab ?
We need to use a folder structure to organise the files we are uploading from our IoT devices to Azure Blob Storage. To do this we are using a folder structure as shown below when uploading using the device SDK and this works fine, with the folders…
Azure Function App Erro
Hi Everyone, I am currently working as a newcomer in the realm of Azure Digital Twins. I am reaching out to seek your expertise on a particular issue I've encountered. In my current project, I am utilizing TwinCAT3 to establish connectivity with Azure…
Using X.509 certificates to authenticate devices to IoT hub
Hello , I am using X.509 certificates to authenticate devices to IoT hub using a MQTT client as shown in the code snippet below: TrustRootCER = "./DigiCertGlobalRootG2.crt" deviceCert = "./18B8C0FC73A9F382CE48FDAAB5A46E14.pem"…
IoT Hub trigger Azure Function is not getting triggered
Hi, We've an IoT hub & IoT hub trigger Azure function, which should be triggered whenever any data is received in IoT hub. We've used IoT hub Shared Access policy for Connecting to IoT hub from Azure Function. We're receiving data in IoT hub from…
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