AD user unable to login with error : pam_sss(sshd:auth): authentication failure

Issue

• AD user unable to login with error : pam_sss(sshd:auth): authentication failure

Mar 17 18:48:07 EXAMPLE sshd[3462]: pam_sss(sshd:auth): received for user testuser@example.com: 4 (System error)
Mar 17 18:48:09 EXAMPLE sshd[3462]: Failed password for testuser@example.com from 127.0.0.1 port 33348 ssh2
Mar 17 18:48:14 EXAMPLE sshd[3462]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=127.0.0.1 user=testuser@example.com
Mar 17 18:48:14 EXAMPLE sshd[3462]: pam_sss(sshd:auth): received for user testuser@example.com: 4 (System error)
Mar 17 18:48:16 EXAMPLE sshd[3462]: Failed password for testuser@example.com from 127.0.0.1 port 33348 ssh2
Mar 17 18:48:19 EXAMPLE sshd[3462]: Connection closed by authenticating user testuser@example.com 127.0.0.1 port 33348 [preauth]
Mar 20 11:43:53 EXAMPLE sshd[2009670]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=X.X.X.X user=testuser@example.com
Mar 20 11:43:53 EXAMPLE sshd[2009670]: pam_sss(sshd:auth): received for user testuser@example.com: 4 (System error)
Mar 20 11:43:55 EXAMPLE sshd[2009670]: Failed password for testuser@example.com from X.X.X.X port 58509 ssh2
Mar 20 11:44:40 EXAMPLE sshd[2009670]: Connection closed by authenticating user testuser@example.com X.X.X.X port 58509 [preauth]
Mar 20 11:44:43 EXAMPLE sshd[2009276]: Connection closed by authenticating user testuser@example.com X.X.X.X port 58478 [preauth]