"Cannot use a leading .. to exit above the top directory" with asp .net

Hi, I'm currently having an issue with asp net mvc and iis7 rewrite module. I'm rewriting a page from /kw.htm to /Listing/Search. And when it renders I have an exception that says "Cannot use a leading .. to exit above the top directory", And this for every method that renders an url (and so for all the Html.Action) I thought this scenario was now handle with the iis7 rewrite module. Did I miss something ? My rule : Thanks, -- Yann