Why do I see "pam_krb5[XXX]: error reading keytab 'FILE:/etc/krb5.keytab'" in /var/log/secure?

Solution Unverified - Updated -

Issue

  • Why do I see "pam_krb5[XXX]: error reading keytab 'FILE:/etc/krb5.keytab'" in /var/log/secure?

Sample /var/log/secure:

sshd[XXXX]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=localhost  user=aduser1
sshd[XXXX]: pam_krb5[XXXX]: error reading keytab 'FILE:/etc/krb5.keytab'
sshd[XXXX]: pam_krb5[XXXX]: TGT verified
sshd[XXXX]: pam_krb5[XXXX]: authentication succeeds for 'aduser1' (aduser1@TEST.LOCAL)
sshd[XXXX]: Accepted password for aduser1 from ::1 port 34404 ssh2
sshd[XXXX]: pam_unix(sshd:session): session opened for user aduser1 by (uid=0)

Time and host information is removed.

Environment

  • Red Hat Enterprise Linux 7
  • pam_krb5

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