6Dec/090
How to fix Plesk with only a “Continue” button
Oddly enough, this actually is a feature and not a bug. It hinges on the Single Sign-on feature linking Plesk Billing and Plesk itself. Plesk is trying to redirect to the Billing side to take login credentials.
Just open ports 11443/11444 on your firewall, and you're good to go.
More info here.
