Active Directory ユーザーがログインできず、pam_sss(sshd:account): Access denied が発生する

Solution Verified - Updated -

Issue

  • Active Directory ユーザーがログインできず、以下のエラーが発生します。

    Mar  1 03:08:35 example sshd[32015]: pam_sss(sshd:auth): authentication success; logname= uid=0 euid=0 tty=ssh ruser= rhost=10.x.x.x user=testuser
Mar  1 03:08:35 example sshd[32015]: pam_sss(sshd:account):Access denied for user testuser:6 (Permission denied)
Mar  1 03:08:35 example sshd[32015]:Failed password for testuser from 10.96.60.8 port 58093 ssh2
Mar  1 03:08:35 example sshd[32015]: fatal:Access denied for user testuser by PAM account configuration [preauth]

Environment

  • Red Hat Enterprise Linux 7.2
  • SSSD
  • Active Directory
  • LDAP

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