You can search the logs for the username you are troubleshooting to reveal the IP address/Hostname of the source server or workstation where the lockout originates.įor Example I found this in the log for my username:Ħ75,AUDIT FAILURE,Security,Wed Apr 23 09:15:05 2014,NT AUTHORITY\SYSTEM,Pre-authentication failed: User Name: james.white User ID: % Service Name: krbtgt/ Pre-Authentication Type: 0x0 Failure Code: 0x19 Client Address: 172.16.0. Once the tool is finished combing the logs it will create a file for each DC in the domain. Finally go to Options/Set Output Directory and change the log location to a more suitable location such as c:\logs. If you have 2008 or 2012 DCs you will need to add Event Id 4740 to the list or the newer DCs won’t report back any data.Ĥ. This will put in the event id numbers you are looking for. Next go to Searches\Built in Searches\ Account lockouts Right click in the “Select to Search box” and go to “Get DCs in domain”ģ. Once you have downloaded and extracted the files, right click eventcombMT.exe and “Run as administrator”Ģ. You can find the tool in the Account Lockout and Management Tools pack here: ġ. Microsoft has a nice tool for combing multiple event logs. This tool has a built-in search for account lockouts, it gathers the event IDs related. EventCombMT.exe collects and filters events from the event logs of domain controllers. If you are experiencing an issue with an account locking out you need to find the source of the lockout. This is a pack of tools from Microsoft that consists of several separate ones, that will help you with Account Lockout troubleshooting.
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