Hi there! 1) The output in /var/log/auth.log when I try changing the password is the following: Mar 22 13:24:48 fp passwd[2001]: pam_winbind(passwd:chauthtok): valid_user: wbcGetpwnam gave WBC_ERR_DOMAIN_NOT_FOUND 2) The output of lsattr /usr/bin/passwd is the following: airflow@fp:/$ lsattr /usr/bin/passwd ------------------- /usr/bin/passwd Regards, Florian