I have hacker's attack on one moodle 2.0 site. After that, this site don't allow guests to sign-in. I upgraded site to 2.5 and problem still persists. Now, I see that in other moodle sites there is user "guest" in the table mdl_user, but in database of this moodle site there isn't such user. How I can create again guest user?
Roles and permissions
Guest account disappeared after hacker's attack
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