Highlights of this feature:
For more information on registration field configuration look to the following support wiki page.
You can find all user field configurations within the following admin tool:
REGISTRATION SETUP > GENERAL SETTINGS
The above page contains use, requirement, max length of characters allowed in each field except for the username, email and password fields.
You can set the minimum and maximum lengths for the username and password fields in the following admin tool settings:
ADMIN TOOLS & SETTINGS > SECURITY SETTINGS > GENERAL SECURITY SETTINGS > USERNAME LENGTH ADMIN TOOLS & SETTINGS > SECURITY SETTINGS > GENERAL SECURITY SETTINGS > PASSWORD LENGTH
Configuration to set registration urls and JIT are within the same page.
Each page where user fields appear have their own labels for for each field attached to a user. So you will need to go to each page to change a label if you decide to change it. Look for field labels in these pages: