On Visual Studio 2010 + IIS Express 7 I was able to use IIS Express as a server and browse sites.
I\'ve since installed Visual Studio 2012 (on Windows 7 64-bit) with
If anyone else has this issue - make sure any website bindings in applicationhost.config refer to valid addresses.
I had this message when applicationhost.config was binding to a specific IP address, but that IP wasn’t valid for the host at that time (I had an internal network IP assigned via a DHCP reservation, but I was on a different network).