Ellucian has deployed a fix for the registration performance issues. From initial testing it appears the fix has resolved the issues. We ask that you try again and if you encounter any issue registering or dropping a course please let us know by submitting a ticket to firstname.lastname@example.org
Banner 9 Admin Pages appear to be working as expected for all users. If you encounter issues again please let us know by submitting at ticket.
We will continue to monitor both of these issues to be sure they remain stable and working.