Generally.  Should the root account be locked out, SSH and UI/client access to the host fails. In order to work this around

  • Bring up a Console session to the Host and enable Esxi Shell (under troubleshooting options)
  • on the console session, press ALT+F1,
  • log in as  root and password:
  • In order to unlock the root account and determine the last log on failure, type the below:
    • /sbin/pam_tally2 -r -u root

The root account should now be unlocked. Review the IP listed there to prevent logon(scripted or 3’rd party monitoring)

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