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device-update-deployments.md

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title description author ms.author ms.date ms.topic ms.service
Understand Device Update for Azure IoT Hub deployments | Microsoft Docs
Understand how updates are deployed.
vimeht
vimeht
12/07/2021
conceptual
iot-hub-device-update

Update deployments

A deployment is how updates are delivered to one or more devices. Deployments are always associated with a device group. A deployment can be initiated from the API or the UI. A device group can only have one active deployment associated with it at any given time. A deployment can be scheduled to begin in the future or start immediately.

Dynamic deployments

Deployments in Device Update for IoT Hub are dynamic in nature. Dynamic deployments empower users to move towards a set-and-forget management model by automatically deploying updates to newly provisioned, applicable devices. Any devices that are provisioned or change their group membership after a deployment is initiated, will automatically receive the update deployment as long as the deployment remains active without any other action on part of the user.

Deployment life cycle

Due to their dynamic nature, deployments remain active and in-progress until they are explicitly canceled. A deployment is considered Inactive and Superseded if a new deployment is created targeting the same device group. A deployment can be retried for devices that might fail. Once a deployment is canceled, it cannot be reactivated again.

Next steps

Deploy an update