PLatform is RHEL 6 Update 6.

Relevent RPMS are :

sssd-ad-1.11.6-30.el6.x86_64
krb5-workstation-1.10.3-33.el6.x86_64

Pam was setup using " authconfig --enablesssd --enablesssdauth
--enablemkhomedir --update"

I have test users successfully authenticating against a test domain server
with both the test linux RHEL6U6 box and the Windows 2008R2 AD server on
an isolated subnet.

After I login to the RHEL6U6 box with an AD user via either ssh, or via
the console I cannot run 'su - <username>' to any other user, either AD
based or local password file based. All I get is a 'incorrect password'
error message.

My sssd.conf:

[sssd]
  config_file_version = 2
  domains = CORPTEST.LOCAL
  services = nss, pam
  debug_level = 10
  timeout = 300

[domain/CORPTEST.LOCAL]

  id_provider = ad
  auth_provider = ad
  access_provider = ad

  debug_level = 10

  ldap_id_mapping = False

  default shell = /bin/bash
  fallback_homedir = /home/%u

  use_fully_qualified_names = False


nsswitch.conf has these lines for passwd, shadow and group:

passwd:     files sss
shadow:     files sss
group:      files sss

/etc/pam.d/system-auth-ac (not hand edited at all)

#%PAM-1.0
# This file is auto-generated.
# User changes will be destroyed the next time authconfig is run.
auth        required      pam_env.so
auth        sufficient    pam_fprintd.so
auth        sufficient    pam_unix.so nullok try_first_pass
auth        requisite     pam_succeed_if.so uid >= 500 quiet
auth        sufficient    pam_sss.so use_first_pass
auth        required      pam_deny.so

account     required      pam_unix.so
account     sufficient    pam_localuser.so
account     sufficient    pam_succeed_if.so uid < 500 quiet
account     [default=bad success=ok user_unknown=ignore] pam_sss.so
account     required      pam_permit.so

password    requisite     pam_cracklib.so try_first_pass retry=3 minlen=14
dcredit=-1 ucredit=-1 ocredit=-1 lcredit=-1
password    sufficient    pam_unix.so sha512 shadow nullok try_first_pass
use_authtok
password    sufficient    pam_sss.so use_authtok
password    required      pam_deny.so

session     optional      pam_keyinit.so revoke
session     required      pam_limits.so
session     optional      pam_mkhomedir.so umask=0077
session     [success=1 default=ignore] pam_succeed_if.so service in crond
quiet use_uid
session     required      pam_unix.so
session     optional      pam_sss.so


The sssd-ad package in rhel6 update 6 is fairly new and as such I've been
able to find limited web resources about its config directives.

Any help you can provide will be appreciated.

Cheers,
Chris



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