The support page https://connect.mozilla.org/t5/help/faqpage/title/registration says
How do I register?
Registering takes only a minute; all you need is a login name, a password, and an email address.
To register:
1. Click Register at the top of any page.
2. ...
These instructions are out of date -- there is no "Register" button, there is only "Sign In".
Please update the support page (it seems that there is no longer an option to register with an email & password; it's unclear unclear what "Continue with LDAP (Internal)" means on the "Sign In" page).
