Cannot serve WCF services in IIS on Windows 8

Question

When I try to serve a WCF service on IIS in a Windows 8 machine, I get the well known error

The page you are requesting cannot be served because of th

Answer 1

This is really the same solution as faester's solution and Bill Moon's, but here's how you do it with PowerShell:

Import-Module Servermanager
Add-WindowsFeature AS-HTTP-Activation

Of course, there's nothing stopping you from calling DISM from PowerShell either.