We are facing IOT based device provisioning issues since from 1st Jan 2026 in US region
Support Request Details Customer: XYZ Contact Name: ABC Role: Senior Firmware Test Engineer Issue Summary We are experiencing persistent IoT device provisioning failures in the US region, starting from January 1st, 2026, impacting both new device…
Azure IoT Hub
Legacy embedded devices without ECDHE using Azure IoT Hub
We have around 7000 legacy devices connected to Azure IoT hub that do not support the ciphers required for TLS 1.2. The devices use TLS 1.2, but don't support ECDHE. Support for this scenario was deprecated on 31 August 2025, but you can still set IoT…
Azure IoT Hub
Azure IoT Hub 2 Routing Rule with same messages and destination
Here's the background:- I have a routing rule in IoT Hub that is currently routing the D2C message to a Service Bus Queue. It works fine now. However, I need to further secure the Service Bus with private endpoint. While my IoT Hub shall continue to…
Azure IoT Hub
IoT Cloud to Device Message Delivery Sequence
I've observed some potential risk on the IoT Hub, and would like to clarify here. We have 2 applications communicate via IoT Hub, one on the cloud and the other serve as IoT Device. The are some incidents where the "Device" received the C2D…
Azure IoT Hub
Setting up Device Telemtery with IoT Hub, Event Grid for Moko for MQTT Data
Hello Azure Guru's and users, The goal is to create a listening service which will reecive MQTT from Moko gateways in Azure. However, I'm getting lost in the jargon though between Event Grid and IoT Hub. We have purchased a Moko gateway, and we've got…
Azure IoT Hub
SAS token mismatch on Azure DPS with Azure IoT Edge
Hi, I have a recent issue with DPS registration requests, giving me error " {"Message":"{"errorCode":401002,"message":"The specified SAS token has an invalid signature. It does not match either the primary or…
Azure IoT Hub
Azure IoT Edge
How can I enable edgehub_messages_sent_total in Metrics Collector to detect offline IoT Edge devices?
When I use Log Analytics to retrieve offline devices from my IoT Hub via the Metrics Collector, the default query for “device offline or not sending messages” returns no results. It seems that no entries for edgehub_messages_sent_total are being…
Azure IoT Hub
How to resolve Kepware Azure IoT hub MQTT agent communication failures?
Support Request Summary — Azure IoT Hub MQTT Authentication Failure with Kepware We are attempting to connect Kepware KEPServerEX IoT Gateway (MQTT Agent) to our Azure IoT Hub device kepware_acc_staug_002, but Azure consistently returns: MQTT agent…
Azure IoT Hub
How can I integrate a metal & gold detector’s firmware with Azure IoT Hub for real-time data collection?
[URL modified to not qualify as a backlink] I’m working on a hardware project where a metal and gold detector (for example, the products offered by Bullion Gold Metal Detectors in Dubai: https://goldetectors(.)ae/ uses an STM32 microcontroller to…
Azure IoT Hub
Iotedge cannot boot after host abrupt shutdown
Hi, I'm using iotghub for our iot running on Ubuntu linux machine. This is the second time that after an abrupt power cut, the iotedge completely fails on boot, while complaining about some issue with read-only file system (see logs below). I have tried…
Azure
Azure IoT Edge
Azure IoT Hub
Architecture Recommendation for Isolated Customer Streaming: Event Grid Topics vs Event Hub Consumer Groups
We need to ingest two data streams into IoT Hub: • A batch path • An instant/real-time path The batch path data must be integrated with Microsoft Fabric. The instant/real-time path data needs to be distributed to individual customers, with each customer…
Azure IoT Hub
Azure IoT Hub device queries returns stale data
We are using Azure IoT Hub and have integrations running on dotnet using the C# SDK. Lately we have been experiencing issues where the GetNextAsTwinAsync returns old versions of the device twin for some devices. It is not a matter of eventual…
Azure IoT Hub
Azure IOT Hub scaling options & EventHub?
What scaling options are available for IoT Hub, and how can auto-scaling be implemented in IoT Hub and Event Hub?
Azure IoT Hub
I've created a new device on IoT Hub and doesn't appear on the Devices Page
There's an critical bug on the UI manager for device creation, After using the page "Create a device" I can't see the device on the "Devices" Page, But I get this error: "A device with this name already exists."…
Azure IoT Hub
SIgn up Problem
I am trying to sign up for a free Azure account. However, it gives me the message "We couldn't validate your address. Please ensure the address you've entered is correct.". My address is complete and correct. I am located in UAE.
Azure IoT Hub
IoT Hub Connectivity Disruption
I do not understand this message: What happened The IoT Hub resource 'sc364' is experiencing performance and scalability issues, with metrics showing declines in cloud-to-device message deliveries, device-to-cloud telemetry, connected devices, and data…
Azure IoT Hub
IotHub Broker Specs
Hello Support Team, https://learn.microsoft.com/en-us/azure/iot/iot-mqtt-connect-to-iot-hub Can you please provide explanation what you mean by: IoT Hub isn't a full-featured MQTT broker and doesn't support all the behaviors specified in the MQTT…
Azure IoT Hub
Long latency and dropped messages to the Front-end
we're experiencing delays on the front-end side with latency and messages dropped. This is a major disruption of our app function. This behaviour looks very similar to the one we had when we hit Cosmos DB quotas. Now however, there are no 429 Throttling…
Azure IoT Hub
Can we use Azure Net App files to move device related files from OT network?
Hello, I've a requirement to move files(Generated by Lab devices) from Purdue Model OT network Level 3 to the business network (Azure cloud). Can we make use of Azure Net App Files for this instead of an SFTP which is very unreliable? If yes, Can you…
Azure IoT Hub
Isn't it a security risk to have root CA certificate and intermediate certificate to generate full chain certificate in DPS provisioning using X509 group attestation case?
https://learn.microsoft.com/en-us/azure/iot-dps/tutorial-custom-hsm-enrollment-group-x509?tabs=linux&pivots=programming-language-ansi-c#create-the-device-certificates Quoting from above link, "The device must present its full chain certificate…