Crond reports error as 'Authentication token is no longer valid; new one required.' in Red Hat Enterpise Linux for 'root' user

Solution Verified - Updated -

Issue

  • root can not run crontab, getting error 'Authentication token is no longer valid; new one required' in /var/log/messages
  • Unable to run crontab as root user
  • cronjobs fail to run as expected.

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • crond
  • pam

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