You say (quote) If they click "Login as guest", they still get prompted with same login page with the user id field prepopulated with "guest". This has been noted before and is something to do with a duplicate guest ID in the database. If you try Lotus' instructions and you still have that issue, then have a look at this forum thread which suggests ways in which you can tweak the database to get it working again https://moodle.org/mod/forum/discuss.php?d=134099
Security and privacy
How to grant access to guest
This discussion has been locked because a year has elapsed since the last post. Please start a new discussion topic.