Thanks mate, I think I'm getting closer.

However, I keep getting an SQL error the moment I try to open the connection (it hangs for about two minutes in the debugger).
The error I get btw is: "SQL server does not exist or acces denied"

Any ideas why that is and how I solve it?

If I don't have a password, i can take that part off, right? Not that it changes anything if I don't, tried various things.