Cron processing fails with user authentication failure in PAM.

Solution Verified - Updated -

Issue

  • Following message is logged in /var/log/cron.
crond[2393]: (root) FAILED to authorize user with PAM (The return value should be ignored by PAM dispatch)
  • It seems that this message is logged every time sar processing which is executed by cron starts and that the processing fails.

Environment

  • Red Hat Enterprise Linux 6.4
  • pam-1.1.1-20.el6

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