AD user cannot login RHEL 9 client - [sdap_get_initgr_user] :Cannot canonicalize username

Solution Verified - Updated -

Issue

AD user aduser cannot login RHEL host ldapclient. This error is found in /var/log/secure:

2023-11-15T11:05:51.058090+00:00 ldapclient unix_chkpwd[423992]: password check failed for user (aduser)
2023-11-15T11:05:51.059383+00:00 ldapclient sshd[423971]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=10.94.70.71  user=aduser
2023-11-15T11:05:51.317907+00:00 ldapclient sshd[423971]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=10.94.70.71 user=aduser
2023-11-15T11:05:51.318092+00:00 ldapclient sshd[423971]: pam_sss(sshd:auth): received for user aduser: 10 (User not known to the underlying authentication module)

Environment

  • Red Hat Enterprise Linux 9.3

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