As we transition to the new Hyland Community, some post links may be temporarily disrupted as we finalize redirects. We apologize for the inconvenience and are working to resolve this as quickly as possible. Details.
I do not know how best you can use the Preview option of Alfresco WCM to preview your asp.net files. I do not know whether its possible to link the virtualization server with Microsoft IIS Server to server your pages.