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iot-hub-include-create-hub.md

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title include file
description include file
author SoniaLopezBravo
ms.service azure-iot-hub
services iot-hub
ms.topic include
ms.date 06/25/2025
ms.author sonialopez
ms.custom include file

This section describes how to create an IoT hub using the Azure portal.

  1. Sign in to the Azure portal.

  2. On the Azure homepage, select the + Create a resource button.

  3. From the Categories menu, select Internet of Things, and then select IoT Hub.

  4. On the Basics tab, complete the fields as follows:

    [!INCLUDE iot-hub-pii-note-naming-hub]

    Property Value
    Subscription Select the subscription to use for your hub.
    Resource group Select a resource group or create a new one. To create a new one, select Create new and fill in the name you want to use.
    IoT hub name Enter a name for your hub. This name must be globally unique, with a length between 3 and 50 alphanumeric characters. The name can also include the dash ('-') character.
    Region Select the region, closest to you, where you want your hub to be located. Some features, such as IoT Hub device streams, are only available in specific regions. For these limited features, you must select one of the supported regions.
    Tier Select the tier that you want to use for your hub. Tier selection depends on how many features you want and how many messages you send through your solution per day.

    The free tier is intended for testing and evaluation. The free tier allows 500 devices to be connected to the hub and up to 8,000 messages per day. Each Azure subscription can create one IoT hub in the free tier.

    To compare the features available to each tier, select Compare tiers. For more information, see Choose the right IoT Hub tier and size for your solution.
    Daily message limit Select the maximum daily quota of messages for your hub. The available options depend on the tier you select for your hub. To see the available messaging and pricing options, select See all options and select the option that best matches the needs of your hub. For more information, see IoT Hub quotas and throttling.

    :::image type="content" source="./media/iot-hub-include-create-hub/iot-hub-create-screen-basics.png" alt-text="Screen capture that shows how to create an IoT hub in the Azure portal.":::

    [!NOTE] Prices shown are for example purposes only.

  5. Select Next: Networking to continue creating your hub.

  6. On the Networking tab, complete the fields as follows:

    Property Value
    Connectivity configuration Choose the endpoints that devices can use to connect to your IoT hub. Accept the default setting, Public access, for this example. You can change this setting after the IoT hub is created. For more information, see IoT Hub endpoints.
    Minimum TLS Version Select the minimum TLS version supported by your IoT hub. Once the IoT hub is created, this value can't be changed. Accept the default setting, 1.0, for this example.

    :::image type="content" source="./media/iot-hub-include-create-hub/iot-hub-create-network-screen.png" alt-text="Screen capture that shows how to choose the endpoints that can connect to a new IoT hub.":::

  7. Select Next: Management to continue creating your hub.

  8. On the Management tab, accept the default settings. If desired, you can modify any of the following fields:

    Property Value
    Permission model Part of role-based access control, this property decides how you manage access to your IoT hub. Allow shared access policies or choose only role-based access control. For more information, see Control access to IoT Hub by using Microsoft Entra ID.
    Assign me You might need access to IoT Hub data APIs to manage elements within an instance. If you have access to role assignments, select IoT Hub Data Contributor role to grant yourself full access to the data APIs.

    To assign Azure roles, you must have Microsoft.Authorization/roleAssignments/write permissions, such as User Access Administrator or Owner.
    Device-to-cloud partitions This property relates the device-to-cloud messages to the number of simultaneous readers of the messages. Most IoT hubs need only four partitions.

    :::image type="content" source="./media/iot-hub-include-create-hub/iot-hub-management.png" alt-text="Screen capture that shows how to set the role-based access control and scale for a new IoT hub.":::

  9. Select Next: Add-ons to continue to the next screen.

  10. On the Add-ons tab, accept the default settings. If desired, you can modify any of the following fields:

    Property Value
    Enable Device Update for IoT Hub Turn on Device Update for IoT Hub to enable over-the-air updates for your devices. If you select this option, you're prompted to provide information to provision a Device Update for IoT Hub account and instance. For more information, see What is Device Update for IoT Hub?
    Enable Defender for IoT Turn Defender for IoT on to add an extra layer of protection to IoT and your devices. This option isn't available for hubs in the free tier. For more information, see Security recommendations for IoT Hub in Microsoft Defender for IoT documentation.

    :::image type="content" source="./media/iot-hub-include-create-hub/iot-hub-create-add-ons.png" alt-text="Screen capture that shows how to set the optional add-ons for a new IoT hub.":::

    [!NOTE] Prices shown are for example purposes only.

  11. Select Next: Tags to continue to the next screen.

    Tags are name/value pairs. You can assign the same tag to multiple resources and resource groups to categorize resources and consolidate billing. In this document, you don't add any tags. For more information, see Use tags to organize your Azure resources and management hierarchy.

    :::image type="content" source="./media/iot-hub-include-create-hub/iot-hub-create-tags.png" alt-text="Screen capture that shows how to assign tags for a new IoT hub.":::

  12. Select Next: Review + create to review your choices.

  13. Select Create to start the deployment of your new hub. Your deployment might progress for a few minutes while the hub is being created. Once the deployment is complete, select Go to resource to open the new hub.