Why do I get the error "Domain Already Exists" when trying to add a domain to an app in another account?
You cannot add the same domain name to multiple apps or split an app and domain name across more than one account.
Validated on 5 May 2025 • Last edited on 14 May 2025
App Platform automatically generates and issues the SSL certificate when you add a domain to your app, requiring no action from you. For more details on managing your app’s domains, see How to Manage Domains in App Platform.
You cannot add the same domain name to multiple apps or split an app and domain name across more than one account.
Specify the registry property in the app spec.
Functions does not support forwarding to Managed OpenSearch.
Try using different keywords or simplifying your search terms.