When you registered you will have chosen (or been given) a LogonBox domain name, for example companyA.logonbox.com. Open up your browser and enter this domain to take you to your LogonBox portal.
In order to access the Administrative interface click on the Administration line as shown.
This will take you to the Administrative login where you should enter the credentials you registered with (or have been given).
Enter your credentials. Once completed your dashboard will load and you are ready to start managing your LogonBox.