# cat /etc/nsswitch.conf ... passwd: centrifydc files sss shadow: centrifydc files sss group: centrifydc files sss ...
# cat /etc/pam.d/system-auth # lines inserted by Centrify Direct Control { CentrifyDC 5.3.1-398 } auth sufficient pam_centrifydc.so auth requisite pam_centrifydc.so deny account sufficient pam_centrifydc.so account requisite pam_centrifydc.so deny session required pam_centrifydc.so homedir password sufficient pam_centrifydc.so try_first_pass password requisite pam_centrifydc.so deny ...
/etc/krb5.conf does have lots of domain info i'd rather not paste here if possible.
please verify the last thing you wanted:
# adcheck bash: adcheck: command not found
# yun search adcheck
...
no matches found