Login credentials on specific user on specific machine giving access to shares that it should not be.

I have one user who on their own computer (XP Pro) with their own login credentials gains access to shares on a Windows 2003 server that they do not have permission on. This user for example can access the computer dept share - (she should not be able to - I checked the security and sharing) If I user her credentials to log into another machine - she can't access this folder, it works as expected. It is only when she logs into this one computer, she does not have access to certain shares that she should, and she has access to folders that she should not. If any other user logs onto this machine it works as expected. Only her username on her computer has this issue. Maybe the user profile is corrupt on this machine?

We have one domain in a mixed 2000 - 2003 environment.
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yeah, scary.  How do you know that is not happening with other users and/or machines?  I would just re-image the machine to save time or in your case, give her a new one.

have you tried to plug this particular machine at a different location?
I would delete her profile on the local machine, and try agaiin
mspolterAuthor Commented:
I renamed the profile, logged her in which created a new profile, and copied her files to the new profile - but she had the same problem with the new profile. At this point I am just giving her a new machine. Has anyone even heard of this problem. It is a little scary. That means anyone in the enterprise could access the most critical data if this happened to them.
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Have you checked the local users and groups on the machine?

Perhaps she is part of the local administrators group on that machine which in turn is part of the domain admins group in AD.

Have you tried another user on the same machine?

Reintall the network card driver on this particular PC. and give a different IP to this PC. If it is DHCP then give a static IP to it.
mspolterAuthor Commented:
I first tried the username on a new computer, and it worked as expected. I then copied over parts of her profile to the new machine (email, desktop, etc....) Then when I changed the computer name and IP to the original one, and put it in the same location, the problem occured - in the new machine.

Then I deleted her account on AD and recreated it, and the problem still occured. Then I gave her the original machine, and created a brand new username which created a new profile, copied her old profile info into the new one, and she is good now. So thank you for your help. I guess it will remain a mystery. Maybe if someone else experiences this problem they can add to this case.
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