As of April 12th, you must go to Progress SupportLink to create new support cases or to access existing cases. Please, bookmark the SupportLink URL and use the new portal to contact the support team.
This is something we are reviewing and working on at this time. We are debating internally how to handle user passwords for import / export, and it's not really a simple issue to handle from a security perspective.
I'll update then when we're moving forward again. Thanks,
epau