Thanks for your report. The username must match the regular expression configured via the NAME_REGEX[_SYSTEM] configuration variable (see /etc/adduser.conf)
The default regex is "^[a-z][-a-z0-9]*\$" Closing this report. Don't hesitate to submit any new bug. ** Changed in: ubuntu Status: New => Invalid -- Users/Accounts Manager - Cannot use Underscores in Account Name https://bugs.launchpad.net/bugs/177152 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs