To learn how to enable IIS and the required IIS components on Windows 8/8.1, see the instructions below. However, depending on your organization's security policies, it may be necessary to manually enable the required IIS components, as described below.
You have the option to allow the installation to automatically enable the required IIS components.
If you've already enabled IIS but are missing the required IIS components, the installation will display a message indicating that certain IIS components are missing. The setup will not proceed if IIS is not detected and specific IIS components are not enabled. The ArcGIS Web Adaptor requires that IIS be enabled and specific IIS components be enabled on Windows 8/8.1.