Oh, sorry. Now I get it.

Go into Active Directory Users and Computers, expand the Users list, find
the user that you want to limit, then right-click his/her name and select
Properties, then finally the Account tab. Click the "Log On To" button and
you can limit the computers a user may log onto there.

--
Richard G. Harper [MVP Shell/User]
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"yba02" wrote in message
...
Hi Richard,
Again, thanks a lot for your time and support. Please let me clarify the
situation.
Those 10 PCs are networked to a central server running 2k3 UNDER A DOMAIN
NAME and the server acting as the domain controller. The very purpose of
this network is to run a SQL DB application.
Currently, user A can use his credintials on any of the 10 PCs and still
logon to the network. That is exactly what I want to stop. I want user A
to
be able to logon to the doamin ONLY through machine A.
In your first posting, you advised that it was possible to do SO through
AD.
What I need to know now are the steps to do that.
I hope that my inquiry is clearer now and sorry for any inconvinience.

Regards
Yahya