clear installation, no users have been added. step1: wbinfo -a administrator Enter administrator's password: plaintext password authentication failed Could not authenticate user administrator with plaintext password Enter administrator's password: challenge/response password authentication failed error code was NT_STATUS_NO_SUCH_USER (0xc0000064) error message was: No such user Could not authenticate user administrator with challenge/response step 2: samba-tool user add baris step 3: wbinfo -a baris Enter baris's password: plaintext password authentication succeeded Enter baris's password: challenge/response password authentication succeeded step 4: wbinfo -a administrator Enter administrator's password: plaintext password authentication succeeded Enter administrator's password: challenge/response password authentication succeeded