Thanks for answer David.

I'll try to add to accessadmin. Converting to Windows Authentication is my everyday fight against programmers that doesn't understand it. Usually works great to have db admins...

http://support.microsoft.com/default.aspx?scid=kb;en-us;293107

http://support.microsoft.com/default.aspx?scid=kb;en-us;307197

Check out these links.

Also try this locally: Telnet "localhost" 1433 after stopping the Sql and sqlagent services. If you get a reply then there is some service using...