Connect to a server from client

I'm receiving ths following error message when I try to connect to my server:
Cannot generate SSPI context. (.Net SqlClient Data Provider)
An idea?
Check this article:
http://blogs.msdn.com/sql_protocols/archive/2005/10/19/482782.aspx
Ayad Shammout
"Joseph" <Joseph@.discussions.microsoft.com> wrote in message
news:C22E4CA3-2289-47B0-B009-C7D63E590B78@.microsoft.com...
> I'm receiving ths following error message when I try to connect to my
> server:
> Cannot generate SSPI context. (.Net SqlClient Data Provider)
> An idea?