AD user cannot SSH to IPA client

Issue

• The error which we are experiencing with kerberos [sssd[be[test.example.com]] [krb5_setup] (0x4000): No
mapping for: user@example.com.

• pam_sss(sshd:auth): received for user user@example.com: 6 (Permission denied)

• error: PAM: Authentication failure for user@example.com from 10.x.x.x