[Samba] pam_winbind WBC_ERR_AUTH_ERROR before even asking for a password

Juan Machado juan at itos.uga.edu
Thu Jan 14 13:46:34 MST 2010

Pam.d/system-auth :


auth        required      pam_env.so

auth        sufficient    pam_winbind.so

auth        sufficient    pam_unix.so nullok

auth        required      pam_deny.so


account     sufficient    pam_winbind.so

account     required      pam_unix.so

account     required      pam_permit.so


password    sufficient    pam_winbind.so

password    sufficient    pam_unix.so nullok  md5 shadow

password    required      pam_deny.so


session     required      pam_winbind.so

session     required      pam_unix.so

session     required      pam_mkhomedir.so



When logging, after user names is asked, BEFORE password is being asked
for, this is reported in the logs:


Jan 14 15:37:50 london sshd[4549]: pam_winbind(sshd:auth): getting
password (0x00000000)

Jan 14 15:37:50 london sshd[4549]: pam_winbind(sshd:auth): request
wbcLogonUser failed: WBC_ERR_AUTH_ERROR, PAM error: PAM_AUTH_ERR (7),
NTSTATUS: NT_STATUS_WRONG_PASSWORD, Error message was: Wrong Password


Any idea why ?


And at the logon screen I get:


login as: juan

juan at server's password:

Wrong Password

Last login: Thu Jan 14 15:25:28 2010 from wve-systems-10.mydomain.com

[juan at server ~]$


As you can see, after I provide the right password, it lets me in but a
"Wrong Password" message is shown.






Juan Machado


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