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Windows Active Directory Something Locking out Accounts

Posted on 2014-02-26
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Last Modified: 2014-02-27
We have a windows 2008 active directory environment.  Random accounts are getting locked out.  Is there a tool that I can load that will allow me to figure out what is locking out the accounts or is there something that I can turn on in active directory that will allow me to log the device or system that is causing the account lock outs?
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Question by:BPSD-IT
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Radhakrishnan R earned 500 total points
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by:Joseph Daly
ID: 39888812
The account lockout tools is always my first go to on this. Once you have them up and running you should be able to get the dates/times/locations of the lock.

To get the most out of the lockout tools you will need to have security auditing turned on on your DCs.

Assuming you have the auditing turned on and the time the account was locked out you can look at the event log for warnings/failures around that time. In the failure audit event you should have an IP, hostname, or some other identifying information as to what i causing the lock.
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by:Pankaj_401
ID: 39891120
There may be many causes for account locked out such as :
•user's account in stored user name and passwords
•user's account tied to persistent mapped drive
•user's account as a service account
•user's account used as an IIS application pool identity
•user's account tied to a scheduled task
•un-suspending a virtual machine after a user's pw as changed
For troubleshooting account lockout randomly, please check this KB article : http://technet.microsoft.com/en-us/library/cc773155(WS.10).aspx
Additionally, you can have check this link also which seems fit in resolving such account lockout issues quickly :http://www.activedirectoryaudit.com/
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