Event 4771: Kerberos pre-authentication failed

msyaf 1 Reputation point
2021-10-05T07:38:08.507+00:00

Hi MS Community,

I am facing this persistent issue whereby my domain account keeps getting locked out due to Kerberos preauthentication failure. This issue surfaced only after we started using a Privileged Access Management (PAM) software to remote in to our target servers.

Any tips on how to resolve this lockout issue?

Thanks!

Windows Server 2019
Windows Server 2019
A Microsoft server operating system that supports enterprise-level management updated to data storage.
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Remote Desktop
Remote Desktop
A Microsoft app that connects remotely to computers and to virtual apps and desktops.
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  1. msyaf 1 Reputation point
    2021-10-05T07:38:48.973+00:00

    137693-kerberos.png

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  2. Limitless Technology 39,351 Reputation points
    2021-10-06T18:43:05.113+00:00

    Hello @msyaf

    We have a similar subject with a problem similar to this, I recommend that you consult it to better understand how to solve it, go to it on the links below:

    https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4771

    https://social.technet.microsoft.com/Forums/ie/en-US/6187d7e2-d38a-4ecd-bf80-12ce3589c8e1/account-locked-event-4771-failure-code-0x18?forum=winserversecurity

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