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KB-23830: Error on AIX 7.2 "sudo: account expired or PAM config lacks an 'account' section for sudo, contact your system administrator"

Authentication Service ,  

14 November,19 at 05:08 PM

Problem:
Even before the Centrify agent is installed, when attempting to use sudo on an AIX 7.2 system the following error is seen:
 "sudo: account expired or PAM config lacks an 'account' section for sudo, contact your system administrator"

Resolution: 
As sudo is now looking for its own PAM stack the following lines must be entered in to the /etc/pam.conf  file:

sudo auth required pam_aix
sudo account required pam_aix
sudo password required pam_aix
sudo session required pam_aix

sudo-i auth required pam_aix
sudo-i account required pam_aix
sudo-i password required pam_aix
sudo-i session required pam_aix

**NOTE** If this error is seen after upgrading the OS on a system is already running the Centrify Agent it is recommended that you perform an "adleave" then add the entries and verify Sudo is working without error. Onvce verified run an "adjoin" again to allow Centrify to update the new entries in the PAM stack to point to the Centrify PAM modules as this is done at join time. 

If the system cannot have the "adleave" and "adjoin" process done on it  the following should be added to the /etc/pam.conf file BEFORE the lines above:
sudo    auth    sufficient    pam_centrifydc
sudo    auth    requisite    pam_centrifydc deny
sudo    account    sufficient    pam_centrifydc
sudo    account    requisite    pam_centrifydc deny
sudo    password    sufficient    pam_centrifydc try_first_pass
sudo    password    requisite    pam_centrifydc deny
sudo    session    required    pam_centrifydc homedir
sudo-i    auth    sufficient    pam_centrifydc
sudo-i    auth    requisite    pam_centrifydc deny
sudo-i    account    sufficient    pam_centrifydc
sudo-i    account    requisite    pam_centrifydc deny
sudo-i    password    sufficient    pam_centrifydc try_first_pass
sudo-i    password    requisite    pam_centrifydc deny
sudo-i    session    required    pam_centrifydc homedir

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