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ArcGIS upgrades on Amazon Web Services

Esri releases new ArcGIS Amazon Machine Images (AMIs) shortly after each new ArcGIS Enterprise release. You should use the latest AMIs when you build new deployments.

How you update an existing deployment depends on the type of deployment and how you created it.

Before upgrading an ArcGIS Enterprise deployment, use the webgisdr tool installed with Portal for ArcGIS to create a backup of all the ArcGIS Enterprise components. This backup allows you to restore your deployment using the same URLs if you encounter issues that require you to revert to your old deployment.

If you don't want to apply the update on an existing instance, you can either maintain your site at its current version or launch a new site using the latest ArcGIS Enterprise on AWS AMIs and redeploy your services, data, and applications on it.