Nothing but i misexplained, bug isn't related to the fact that account exists or not. Please try to enter in a tty that exact login :
'username.lastnamelastnamelastn...@domain.fr' It reset without asking for password, and the error line is added to auth.log Then try : 'username.lastn...@domain.fr' It asks for password, even that account doesn't exists, and the error line isn't added -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1865517 Title: cannot log in with long username To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/1865517/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs