Author: Eloy Lafuente (stronk7)
MDL-29093 auth - help string now specifies MNet exception. Thanks Helen!
http://git.moodle.org/gw?p=moodle.git;a=commit;h=7923d63b1689b4d17755de992cb53a94b1797255
http://github.com/moodle/moodle/commit/7923d63b1689b4d17755de992cb53a94b1797255
+ 2.1 en [authpreventaccountcreation_help,core_admin]