Using pam_pkcs11.so pam module in RHEL6 gives "ERROR:pam_pkcs11.c:224: Remote login (from <hostname>:XX.X) is not (yet) supported"

Issue

• After changing the 'DISPLAY' variable name and using pam_pkcs11.so pam module via sudo command gives error

ERROR:pam_pkcs11.c:224: Remote login (from <hostname>:XX.X) is not (yet) supported

$sudo su -  
ERROR:pam_pkcs11.c:224: Remote login (from localhost:13.0) is not (yet) supported  
[sudo] password for psanders:

• In RHEL5, above message comes in /var/log/secure only.