Issue

Login to Satellite GUI as AD user fails with the error : "Service Temporarily Unavailable" :

"Service Temporarily Unavailable.The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later"

cat etc/pam.d/rhn-satellite 
#%PAM-1.0
auth        required      pam_env.so
auth        sufficient    pam_krb5.so no_user_check
auth        required      pam_deny.so
account     required      pam_krb5.so no_user_check

grep -i pam etc/rhn/rhn.conf
pam_auth_service = rhn-satellite

Customer is able to ssh in as AD users. Customer using Centrify module in system-auth.