You can update the Azure IoT Hub integration for The Things Stack using Azure Resource Manager easily. In most cases, this is without service interruptions.
Download the latest template from here
In the Azure Console, open your Resource Group and go to Deployments.
In the list of deployments, go to the deployment that you created when deploying the integration. See Deployment Guide.
In the top-right, click Redeploy.
Click Edit template.
Click Load file and select the template you have just downloaded.
Click Save.
Now, create a new API key as described in the Deployment Guide. Provide the created API key for Stack API Key.
Review the parameters. Unless new functionality adds new parameters, you can leave the current values unchanged.
Click Review + Create, then Create.
Note:
Updating all resources can take up to 5 minutes.When the deployment is updated, you’ll see the status Your deployment is complete.