Sylvain,
You write "This client is running XP,
but I can connect from another XP station. I will check if they have the same service pack."
I think, the user with another XP station (who can connect with SQL server) is in list from users who can access the server. Try this (you or the sysadmin):
insert this user on server from 'administrative tools->computer management->users->new user'
HTH
>SQL Server is installed on Windows 2003. The client use Windows XP.
>
>>what is the OS, where is the SQL Server installed?
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Testing displays the presence, not the absence of bugs.
If a software application has to be designed, it has to be designed correctly!
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Vladimir Zografski
Systems Analyst