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Configure a micro agent twin

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Learn how to configure a micro agent twin.

Note

Defender for IoT plans to retire the micro agent on August 1, 2025.

Prerequisites

Micro agent configuration

To view and update the micro agent twin configuration:

  1. Navigate to the Azure portal.

  2. Search for, and select IoT Hub.

    Screenshot of searching for the IoT hub in the search bar.

  3. Select your IoT Hub from the list.

  4. Under the Device management section, select Devices.

    Screenshot of the device management section of the IoT hub.

  5. Select your device from the list.

  6. Select the module ID.

    Screenshot of the device's module ID selection screen.

  7. In the Module Identity Details screen, select Module Identity Twin.

    Screenshot of the Module Identity Details screen.

  8. Change the value of any field by adding the field to the "desired" section with the new value.

    Screenshot of the sample output of the module identity twin.

    For example:

    "desired": {
    "Baseline_Disabled": false,
    "Baseline_MessageFrequency": "Low",
    "Baseline_GroupsDisabled": "",
    "Baseline_ChecksDisabled": "",
    "SystemInformation_Disabled": false,
    "SystemInformation_MessageFrequency": "Low",
    "SBoM_Disabled": false,
    "SBoM_MessageFrequency": "Low",
    "NetworkActivity_Disabled": false,
    "NetworkActivity_MessageFrequency": "Medium",
    "NetworkActivity_Devices": "eth0",
    "NetworkActivity_CacheSize": 256,
    "Process_Disabled": false,
    "Process_MessageFrequency": "Medium",
    "Process_PollingInterval": 100000,
    "Process_Mode": 1,
    "Process_CacheSize": 256,
    "LogCollector_Disabled": false,
    "LogCollector_MessageFrequency": "Low",
    "Heartbeat_Disabled": false,
    "Heartbeat_MessageFrequency": "Low",
    "Login_Disabled": false,
    "Login_MessageFrequency": "Medium",
    "IothubModule_MessageTimeout": 2880,
    "CollectorsCore_PriorityIntervals": "30,120,1440"
}

    For the full list of supported properties, see Micro agent configurations.

    The agent successfully set the new configuration if the value of "latest_state", under the "reported" section shows "success".

    Screenshot of a successful configuration change.

    If the agent fails to set the new configuration, the value of "latest_state", under the "reported" section will show "failed". If this occurs, the "latest_invalid_fields" will contain a list of the fields that are invalid.

Next steps

You learned how to configure a micro agent twin. For more information about micro agent configurations and event aggregation, see: