>Check that both server and client are using the same network protocols?

I will check that when I will return to the office monday.

>Can you connect from the client if you use a SQL Login?

Both Windows Authentification and username/password fail to connect.

>Can other clients login to your SQL Server successfully?

Two other stations can connect successfully to the server.

>Is it SQL Server or MSDE?

SQL Server 2000

Thanks