Account already protected by Dome9 error
This error indicates that the AWS cloud account is already protected by Dome9.
It can be on the Dome9 account you are currently trying to add this cloud account on ,or on another Dome9 account.
How to resolve this error
First verify on Cloud Account page that you can find this cloud account,
If not contact your system administrator to verify if there is another Dome9 account for the company.