# Microsoft Azure IoT Hub Monitoring

- [Microsoft Azure IoT Hub - An Overview](https://www.manageengine.com/products/applications_manager/help/azure-iot-hub-monitoring-tools.html#azureiothuboverview)
- [Creating a new Microsoft Azure IoT Hub Monitor](https://www.manageengine.com/products/applications_manager/help/azure-iot-hub-monitoring-tools.html#newmonitor)
- [Monitored Parameters](https://www.manageengine.com/products/applications_manager/help/azure-iot-hub-monitoring-tools.html#parameters)

## Microsoft Azure IoT Hub - An Overview

Azure IoT Hub is a managed cloud service that acts as a central message hub for bidirectional communication between IoT applications and the devices it manages at scale. Applications Manager's [Azure IoT Hub monitoring](https://www.manageengine.com/products/applications_manager/azure-iot-hub-monitoring.html) helps you track device-to-cloud and cloud-to-device message throughput, connected device counts, telemetry routing health, twin operation rates, and job execution metrics so you can maintain reliable IoT pipelines.

## Creating a new Microsoft Azure IoT Hub Monitor

To learn how to create a new Microsoft Azure IoT Hub monitor, [click here](https://www.manageengine.com/products/applications_manager/help/microsoft-azure.html#newmonitor).

## Monitored Parameters

Navigate to the **Category View** by clicking the **Monitors** tab. Hover over 'Child Monitors' under **Microsoft Azure** in the Cloud Apps table, and then select the **IoT Hubs** monitor from the displayed tooltip. This action will display the bulk configuration view for Microsoft Azure IoT Hub in three tabs:

- **Availability** tab gives the availability history for the past 24 hours or 30 days.
- **Performance** tab gives the health status and events for the past 24 hours or 30 days.
- **List view** tab enables you to perform [bulk admin configurations](https://www.manageengine.com/products/applications_manager/help/bulk-config.html).

Following are the list of metrics monitored in [Microsoft Azure IoT Hub Monitoring](https://www.manageengine.com/products/applications_manager/help/azure-iot-hub-monitoring-tools.html) in their corresponding tabs:

- [Performance Overview](https://www.manageengine.com/products/applications_manager/help/azure-iot-hub-monitoring-tools.html#performanceoverview)
- [Device-to-Cloud](https://www.manageengine.com/products/applications_manager/help/azure-iot-hub-monitoring-tools.html#devicetocloud)
- [Cloud-to-Device](https://www.manageengine.com/products/applications_manager/help/azure-iot-hub-monitoring-tools.html#cloudtodevice)
- [Twin & Jobs](https://www.manageengine.com/products/applications_manager/help/azure-iot-hub-monitoring-tools.html#twinjobs)
- [Configuration](https://www.manageengine.com/products/applications_manager/help/azure-iot-hub-monitoring-tools.html#configuration)

### Performance Overview

| Parameter | Description |
|---|---|
| **IOT HUB INFORMATION** |  |
| Provisioning State | The provisioning state of the IoT Hub resource. |
| Host Name | The host name of the IoT Hub. |
| **DEVICE DETAILS** |  |
| Total Devices | The average of devices registered to the Azure IoT Hub at the time of polling. |
| Connected Devices | The average of devices connected to the Azure IoT Hub at the time of polling. |
| **SUCCESSFUL CONNECTIONS** |  |
| Successful Connections | The total number of successful connections in the Azure IoT Hub between the poll intervals. |
| **TOTAL NUMBER OF MESSAGES USED** |  |
| Total Number of Messages Used | The average of total messages used today in the Azure IoT Hub at the time of polling. |
| **ROUTING & EVENT GRID DELIVERIES** |  |
| Routing Deliveries | The total number of times IoT Hub attempted to deliver messages to all endpoints using routing in the Azure IoT Hub between the poll intervals. |
| Event Grid Deliveries | The total number IoT Hub events published to Event Grid from the Azure IoT Hub between the poll intervals. |
| **LATENCY** |  |
| Routing Delivery Latency | The average latency between message ingress to IoT Hub and telemetry message ingress into an endpoint in the Azure IoT Hub at the time of polling (in ms). |
| Event Grid Latency | The average latency generated to when the event was published to Event Grid from the Azure Iot Hub at the time of polling (in ms). |
| **TOTAL DEVICE DATA USAGE** |  |
| Total Device Data Usage | The total number of data transferred to and from any devices connected to the Azure IoT Hub between the poll intervals (in MB). |
| **ROUTING DELIVERY MESSAGE SIZE** |  |
| Routing Delivery Message Size | The total number of size in bytes of messages delivered by IoT hub to an endpoint in the Azure IoT Hub between the poll intervals (in MB). |
| **CONFIGURATIONS** |  |
| Configurations | The total number of configuration metric operations in the Azure IoT Hub between the poll intervals. |

### Device-to-Cloud

| Parameter | Description |
|---|---|
| **D2C TELEMETRY INGRESS** |  |
| Telemetry Messages Sent | The total number of device-to-cloud telemetry messages sent successfully to the Azure IoT Hub between the poll intervals. |
| Telemetry Messages Throttled | The total number of throttling errors due to device throughput throttles in the Azure IoT Hub between the poll intervals. |
| Telemetry Message Send Attempts | The total number of device-to-cloud telemetry messages attempted to be sent to the Azure IoT Hub between the poll intervals. |
| **D2C TELEMETRY EGRESS** |  |
| Telemetry Messages Dropped | The total number of times messages were dropped due to dead endpoints by the Azure IoT Hub between the poll intervals. |
| Telemetry Messages Orphaned | The total number of times messages were orphaned because they did not match any routing rules by the Azure IoT Hub between the poll intervals. |
| Telemetry Messages Incompatible | The total number of times routing failed to deliver messages due to an incompatibility with the endpoint in the Azure IoT Hub between the poll intervals. |
| Fallback Messages Delivered | The total number of times routing delivered messages to the endpoint associated with the fallback route in the Azure IoT Hub between the poll intervals. |
| Telemetry Messages Delivered | The total number of times messages were successfully delivered to all endpoints in the Azure IoT Hub between the poll intervals. |
| **EGRESS ENDPOINTS** |  |
| Event Hub Messages Delivered | The total number of messages successfully delivered to Event Hub endpoints by the routing engine in the Azure IoT Hub between the poll intervals. |
| Messages/Events Delivered | The total number of messages successfully delivered to the built-in endpoint (messages/events) by the routing engine in the Azure IoT Hub between the poll intervals. |
| Service Bus Queue Messages Delivered | The total number of messages successfully delivered to Service Bus Queue endpoints by the routing engine in the Azure IoT Hub between the poll intervals. |
| Service Bus Topic Messages Delivered | The total number of messages successfully delivered to Service Bus Topic endpoints by the routing engine in the Azure IoT Hub between the poll intervals. |
| Storage Messages Delivered | The total number of messages successfully delivered to Storage endpoints by the routing engine in the Azure IoT Hub between the poll intervals. |
| **ENDPOINT LATENCY** |  |
| Event Hub Message Latency | The average latency between message ingress to IoT Hub and message ingress into Event Hub endpoints in the Azure IoT Hub at the time of polling (in ms). |
| Messages/Events Latency | The average latency between message ingress to IoT Hub and telemetry message ingress into the built-in endpoint (messages/events) in the Azure IoT Hub at the time of polling (in ms). |
| Service Bus Queue Message Latency | The average latency between message ingress to IoT Hub and telemetry message ingress into a Service Bus queue endpoint in the Azure IoT Hub at the time of polling (in ms). |
| Service Bus Topic Message Latency | The average latency between message ingress to IoT Hub and telemetry message ingress into a Service Bus topic endpoint in the Azure IoT Hub at the time of polling (in ms). |
| Storage Message Latency | The average latency between message ingress to IoT Hub and telemetry message ingress into a storage endpoint in the Azure IoT Hub at the time of polling (in ms). |
| **STORAGE DATA DELIVERED** |  |
| Storage Data Delivered | The total number of data delivered to storage endpoints in the Azure IoT Hub between the poll intervals (in MB). |
| **STORAGE BLOBS DELIVERED** |  |
| Storage Blobs Delivered | The total number of blobs delivered to storage endpoints in the Azure IoT Hub between the poll intervals. |
| **TWIN OPERATIONS** |  |
| Failed Twin Reads | The total number of all failed device-initiated twin reads in the Azure IoT Hub between the poll intervals. |
| Failed Twin Updates | The total number of failed device-initiated twin updates in the Azure IoT Hub between the poll intervals. |
| Successful Twin Reads | The total number of successful device-initiated twin reads in the Azure IoT Hub between the poll intervals. |
| Successful Twin Updates | The total number of successful device-initiated twin updates in the Azure IoT Hub between the poll intervals. |
| **TWIN SIZE** |  |
| Twin Reads Response Size | The total number of response size of successful device-initiated twin reads in the Azure IoT Hub at the time of polling (in MB). |
| Twin Updates Size | The total number of size of successful device-initiated twin updates in the Azure IoT Hub at the time of polling (in MB). |

**Note:** Device-to-Cloud metrics are mapped under Performance Polling. To adjust the polling interval, navigate to **Settings** → **Performance Polling**. In the **Optimize Data Collection** tab, select **Azure IoT Hub** as the Monitor Type and **Device-to-Cloud** as the Metric Name. Then set Default Polling Status as required, by default opted as Never collect data.

### Cloud-to-Device

| Parameter | Description |
|---|---|
| **COMMANDS** |  |
| Message Deliveries Completed | The total number of cloud-to-device message deliveries completed successfully by the device in the Azure IoT Hub between the poll intervals. |
| Messages Abandoned | The total number of cloud-to-device messages abandoned by the device in the Azure IoT Hub between the poll intervals. |
| Messages Rejected | The total number of cloud-to-device messages rejected by the device in the Azure IoT Hub between the poll intervals. |
| Messages Expired | The total number of cloud-to-device messages expired in the Azure IoT Hub between the poll intervals. |
| **METHODS** |  |
| Successful Direct Method Invocations | The total number of all successful direct method calls in the Azure IoT Hub between the poll intervals. |
| Failed Direct Method Invocations | The total number of all failed direct method calls in the Azure IoT Hub between the poll intervals. |
| **METHODS SIZE** |  |
| Direct Method Invocations Request Size | The total number of request size of all successful direct method requests in the Azure IoT Hub at the time of polling (in MB). |
| Direct Method Invocations Response Size | The total number of response size of all successful direct method responses in the Azure IoT Hub at the time of polling (in MB). |
| **TWIN OPERATIONS** |  |
| Failed Twin Reads | The total number of failed back-end-initiated twin reads in the Azure IoT Hub between the poll intervals. |
| Failed Twin Updates | The total number of all failed back-end-initiated twin updates in the Azure IoT Hub between the poll intervals. |
| Successful Twin Reads | The total number of all successful back-end-initiated twin reads in the Azure IoT Hub between the poll intervals. |
| Successful Twin Updates | The total number of all successful back-end-initiated twin updates in the Azure IoT Hub between the poll intervals. |
| **TWIN SIZE** |  |
| Twin Reads Response Size | The total number of all successful back-end-initiated twin reads in the Azure IoT Hub at the time of polling (in MB). |
| Twin Updates Size | The total number of all successful back-end-initiated twin updates in the Azure IoT Hub at the time of polling (in MB). |

**Note:** Cloud-to-Device metrics are mapped under Performance Polling. To adjust the polling interval, navigate to **Settings** → **Performance Polling**. In the **Optimize Data Collection** tab, select **Azure IoT Hub** as the Monitor Type and **Cloud-to-Device** as the Metric Name. Then set Default Polling Status as required, by default opted as Never collect data.

### Twin & Jobs

| Parameter | Description |
|---|---|
| **TWIN QUERIES** |  |
| Successful Twin Queries | The total number of all successful twin queries in the Azure IoT Hub between the poll intervals. |
| Failed Twin Queries | The total number of all failed twin queries in the Azure IoT Hub between the poll intervals. |
| **TWIN QUERIES RESULT SIZE** |  |
| Twin Queries Result Size | The total of result size of all successful twin queries in the Azure IoT Hub at the time of polling (in MB). |
| **SUCCESSFUL JOBS** |  |
| Successful Twin Update Job Creations | The total number of all successful creation of twin update jobs in the Azure IoT Hub between the poll intervals. |
| Successful Direct Method Job Creations | The total number of all successful creation of direct method invocation jobs in the Azure IoT Hub between the poll intervals. |
| Successful Job Cancellations | The total number of all successful calls to cancel a job in the Azure IoT Hub between the poll intervals. |
| Successful Calls | The total number of all successful calls to list jobs in the Azure IoT Hub between the poll intervals. |
| Successful Job Queries | The total number of all successful calls to query jobs in the Azure IoT Hub between the poll intervals. |
| Completed Jobs | The total number of all completed jobs in the Azure IoT Hub between the poll intervals. |
| **FAILED JOBS** |  |
| Failed Twin Update Job Creations | The total number of all failed creation of twin update jobs in the Azure IoT Hub between the poll intervals. |
| Failed Direct Method Job Creations | The total number of all failed creation of direct method invocation jobs in the Azure IoT Hub between the poll intervals. |
| Failed Job Cancellations | The total number of all failed calls to cancel a job in the Azure IoT Hub between the poll intervals. |
| Failed Calls | The total number of all failed calls to list jobs in the Azure IoT Hub between the poll intervals. |
| Failed Job Queries | The total number of all failed calls to query jobs in the Azure IoT Hub between the poll intervals. |
| Failed Jobs | The total number of all failed jobs in the Azure IoT Hub between the poll intervals. |

**Note:** Twin & Jobs metrics are mapped under Performance Polling. To adjust the polling interval, navigate to **Settings** → **Performance Polling**. In the **Optimize Data Collection** tab, select **Azure IoT Hub** as the Monitor Type and **Twin & Jobs** as the Metric Name. Then set Default Polling Status as required, by default opted as Never collect data.

### Configuration

| Parameter | Description |
|---|---|
| **CONFIGURATION** |  |
| Resource Group Name | The name of the Azure resource group that contains the IoT Hub. |
| Location | The Azure region where the IoT Hub is deployed. |
| Provisioning State | The provisioning state of the IoT Hub resource. |
| SKU | The name of the IoT Hub SKU. Possible values: F1, S1, S2, S3, B1, B2, B3. |
| SKU Capacity | The number of provisioned IoT Hub units. |
| Creation Time | The timestamp when the IoT Hub was created. |
| Local Authentication | Indicates whether local authentication is Enabled/Disabled for the IoT Hub resource. |
| Enable Data Residency | Indicates whether data residency is enabled. |
| Enable File Upload Notifications | Indicates whether file upload notifications are enabled. |
| Features | The capabilities and features enabled for the IoT Hub. Possible values: None, DeviceManagement. |
| Host Name | The host name of the IoT Hub. |
| Min TLS Version | Specifies the minimum TLS version supported by the IoT Hub. |