Nothing. You can distribute the .NET runtime royalty free.

>Hi, folks!
>
>I'm new to .NET and have to find out something about licensing:
>
>I want to use ASP.NET sites (IMO called .aspx) to create HTML-Output including different GUI controls (textboxes, grids, combos etc.) and bind these controls to COM components (created by MS Visual FoxPro, that's my real profession <s>).
>
>What has my customer to buy (except my solution <vbg>) to get the sufficient licenses to let my solution run on his web server (any runtime licenses of .NET etc?!?!?).