ARO cluster creation fails with error: Values of identifierUris property must use a verified domain of the organization or its subdomain

Issue

• Cannot create an ARO cluster using az aro create command.

• The following errors are shown when trying to create a new ARO cluster:

  {"odata.error":{"code":"Request_BadRequest","message":{"lang":"en","value":"Values of identifierUris property must use a verified domain of the organization or its subdomain: 'https://az.aro.azure.com/uuid'"},"requestId":"XXXXXXXX","date":"2021-10-20T00:00:01","values":[{"item":"PropertyName","value":"identifierUris"},{"item":"PropertyErrorCode","value":"HostNameNotOnVerifiedDomain"},{"item":"HostName","value":"https://az.aro.azure.com/uuid"}]}}
  

  msrest.exceptions: Values of identifierUris property must use a verified domain of the organization or its subdomain