Hi Sam,
Thanks for your reply,
The authentication is just NTLM, I've copy paste it from the page sorry
In my Apache error log:
1. If I try to login with SSO:
[Thu Jan 28 14:38:00.041886 2016] [:error] [pid 20529] [client 10.1.21.52:59383] [client 10.1.21.52] http://domain/moodle Failed Login: domain\\username Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.2; WOW64; Trident/6.0; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; .NET CLR 2.0.50727; .NET CLR 3.0.30729), referer: http://domain/moodle/auth/ldap/ntlmsso_attempt.php
Not sure why it's trying to login as: domain\\user
2. If I turn the SSO off and try to login with "UsernameOnly"and wrong password (I can login with correct password):
[Thu Jan 28 14:47:50.147710 2016] [:error] [pid 20504] [client 10.1.21.52:60825] [client 10.1.21.52] http://Domain/moodle Failed Login: Username Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.2; WOW64; Trident/6.0; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; .NET CLR 2.0.50727; .NET CLR 3.0.30729), referer: http://domain/moodle/login/index.php
3. If I turn the SSO off and try to login with "Domain\Username" and wrong or correct password(I can't login at all):
[Thu Jan 28 14:48:03.517985 2016] [:error] [pid 20066] [client 10.1.21.52:60844] [client 10.1.21.52] http://domain/moodle Failed Login: domain\\username Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.2; WOW64; Trident/6.0; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; .NET CLR 2.0.50727; .NET CLR 3.0.30729), referer: http://domain/moodle/login/index.php
In NTLM SSO I've tried all different possibilities: %domain%\%username% , %domain%/%username%,%domain%+%username% and just %username% and blank with no success.
Regards,
Mike