Welcome to AS 7
Your JBoss Application Server 7 is running.
However you have not yet added any users to be able to access the admin console.
To add a new user execute the add-user.sh script within the bin folder of your AS 7 installation and enter the requested information.
By default the realm name used by AS 7 is "ManagementRealm" this is already selected by default.
After you have added the user follow this link to Try Again.