I've followed the Red Hat "Integrating Red Hat Enterprise Linux 6 with Active Directory" document to configure my CentOS 6.3 workstation to join to the 2008 R2 server Active Directory domain. To be more specific, the "6.2 Configuration 2 Samba/Winbind (idmap_ad)" setup is what I've attempted to implement. I've gotten as far as running the net join command with a successful join to domain response, but I am completely unable to login using domain credentials at all. I've tried via su -
Running wbinfo -u and wbinfo -g both work properly and list the groups and users in AD and I am able to generate a kerberos ticket via kinit and verify them with klist. I'm completely at a loss as to why this system is not allowing me to login using a domain credential.
What really has me confused is that I followed the same procedure on another machine and it does work properly, but checking the config files /etc/krb5.conf /etc/samba/smb.conf /etc/pam.d/passwordd-auth and /etc/pam.d/system-auth all are identical; so any help with how to trouble shoot this issue would be greatly appreciated!
Thank you for your time and help!