>>Error message: Connection failed, SqlState 28000, Sql Server Error 18456, Login failed for user DNA
>>
>>I tried named pipes, but I don't know what I am doing then, and it failed. I always use TCP/IP.
>
>
>Check this:
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http://blogs.msdn.com/b/sql_protocols/archive/2006/02/21/536201.aspxThank you Borislav, although I do not understand all problems I have met, this led me directly to a possible solution.
Lennert