Post LEAPP upgrade from RHEL 7 to RHEL 8, Active Directory authentication is not working

Solution Verified - Updated -

Issue

  • Post LEAPP upgrade from RHEL 7 to RHEL 8, Active Directory authentication is not working:

  • Post LEAPP upgrade from RHEL 7.9 to 8.8, domain users (AD) cannot login anymore:

    Raw
    Apr 1 06:44:55 rhel8u8 sshd[218059]: pam_sss(sshd:auth): authentication success; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.168.0.5 user=aduser
Apr 1 06:44:55 rhel8u8 sshd[218059]: pam_sss(sshd:account): Access denied for user aduser: 4 (System error

Environment

  • Red Hat Enterprise Linux 8
  • LEAPP
  • Microsoft Active DIrectory

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