Active Directory users failing to log in on IDM clients

Solution Verified - Updated -

Issue

When some AD users failed to log into IDM clients these errors below are found in /var/log/secure

pam_sss(sshd:auth): received for user ad.user@example.com: 6 (Permission denied)
pam_sss(sshd:auth): received for user ad.user@example.com: 4 (System error)

Environment

  • Red Hat Enterprise Linux
  • Active Directory
  • Identity Management

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