Powershell Tip #90: Troubleshooting Event 4740 Lockout with Caller Computer Name blank / empty

By | February 23, 2016

Tip: Sometimes, you can see events 4740 (lockout) with caller computer name blank :


For this post, I copied the netlogon log (%windir%\debug\netlogon.log) to my test workstation (C:\Logs )


The issue was that this user changed his password but he left a session (Terminal Server) on a server using his old password.

Terminating the session resolved the issue.


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