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User keeps getting locked out

A user of ours keeps getting locked out.  We got them a new PC, but the problem is still happening.  This is with th eir domain account.  The only thing I can figure is that there is an old mapped drive maybe locking them out that was using their previous password?  They changed their password previously.  What can I check?  They get locked out about 5 times a day ramdomly at different times.  Something is tying up their network account somewhere.  Not sure if I should check active directory or what..

we are running Windows Server 2003
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dba123
Asked:
dba123
1 Solution
 
MessHallManCommented:
Have you looked in the netlogon logs to see where the lockout is coming from? In the logs you can search for the username of the individual being locked out and then compare to the following table:

        0x0                     Successful login
        0xC000006A        Bad Password                        **Indicates the machine causing the lockouts.
        0xC0000234         Account Locked Out
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dba123Author Commented:
Would that by in Systel logs in even viewer?
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dba123Author Commented:
I took at look at the security logs in the event viewer on our domain server for this user.  All show successful logons but not the lockouts.
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dba123Author Commented:
User is using XP Pro, could it be anti-virus?
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fizbin01Commented:
This maybe a stupid suggestion, but do you have the security logs set for failed logins as well?   Do you have more than one DC that they could be authenticating against?  Do they have a service starting with their old login and password?  This is risky but if you add them to the domain admin groups, does their account still get locked out?
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dba123Author Commented:
only one DC.  Not sure about the failed logins setting, I'm a programmer, our network guys haven't figured this problem out yet so I figured I'd attempt it since I have to unlock him every time this happens since they got me on double job duties here lately (programmer and desktop...go figure).

I added them to the domain group before so I could see if I could unmap and remap drives...but not long enough to monitor them as you are stating.  I wasn't able to unmap drives even when they were logged in with Admin rights.
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fizbin01Commented:
They may have a login script mapping them to a drive.  look under profile in their account info in AD.  You also may be using something like Kixstart to map users or run login scripts.  Also another thought... their may be login permissions for some of your printers... sometimes the bosses don't like anyone using their printers and if they send a print job or are mapped to a printer it could be an issue.  

These are all just ideas, i remember having this same issue 3 or 4 years ago with a user or two and i just can't remember what I did, but this is at least good trouble shooting for you.
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dba123Author Commented:
I don't know, finally the network admins blew away the users profile in AD and just created a new one which they should have done a hell of a long time ago.
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GranModCommented:
Closed, 500 points refunded.
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