User not known to the underlying authentication module
by sudheshpn from LinuxQuestions.org on (#53AQ8)
I am seeing the below error in my remote machine while i execute a command from my source server. Any clue what could be wrong
==> /var/log/secure <==
May 11 15:31:27 umems701 sudo: pam_unix(sudo:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost= user=olcne
May 11 15:31:27 umems701 sudo: pam_sss(sudo:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost= user=olcne
May 11 15:31:27 umems701 sudo: pam_sss(sudo:auth): received for user olcne: 10 (User not known to the underlying authentication module)


==> /var/log/secure <==
May 11 15:31:27 umems701 sudo: pam_unix(sudo:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost= user=olcne
May 11 15:31:27 umems701 sudo: pam_sss(sudo:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost= user=olcne
May 11 15:31:27 umems701 sudo: pam_sss(sudo:auth): received for user olcne: 10 (User not known to the underlying authentication module)