Unable to login as an AD or IPA user due to "4 (System error)" via SSSD on Red Hat Enterprise Linux.

Issue

• Unable to log into user account with SSSD due to pam_sss sshd system error
• Following errors can be seen in /var/log/secure log file during the failed login.

Mar 11 08:50:44 rheltest sshd[20896]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=example.com user=test
Mar 11 08:50:44 rheltest sshd[20896]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=example.com user=test
Mar 11 08:50:44 rheltest sshd[20896]: pam_sss(sshd:auth): received for user test: 4 (System error)
Mar 11 08:50:46 rheltest sshd[20896]: Failed password for test from 10.x.x.x port 53832 ssh2