AD User Account Repeated Locked Outs

One of my users Active Directory account keeps getting locked out.  Is there a way to see the IP address of the node failing authentications?
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Event ID 4740 on the domain controller's security log will show you the calling computer name, which would be the source of the lockouts, the reason could be an old credential being used on that computer.

If you want there are tools to help: Netwrix Auditor Lockout Examiner is a free Lockout Tool for AD

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Matt MinorTechnical Systems AnalystCommented:
Something else to watch for is user's trying to connect to wireless by specifying their AD credentials, but doing so incorrectly. This results in repeated authentication attempts which will eventually lock out the account, and continue to do so until the bad credentials are removed from the device (iphone, android, etc).
Abhi PappiTechnical Lead - Network SupportCommented:

 You can use the Microsoft tool "Lockoutstatus.exe" ( to lockouts.

 Also, worth referring this article:-

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Shaun VermaakTechnical SpecialistCommented:
E ATech LeadCommented:
There are lots of reason for lockout like; saved password, scheduled task, services or applications may contains saved password, you may ask your user to check and update saved password regularly.  

There lots of earlier discussion here on the similar issue you can check them to get in detailed.

Troubleshooting account lockout the PSS way:

Hope this helps!
Ajit Singh has reiterated all preceding experts' opinions and claimed the most points for it.
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