ActiveRoles Server Web interface fails to install (152780)

When installing the ActiveRoles Server Web interface the following error is displayed:

The service cannot be started, either because it is disabled or because it has no enabled devices associated with it. System.Runtime.InteropServices.COMException (0x80070422): The service cannot be started, either because it is disabled or because it has no enabled devices associated with it. 

CAUSE 1

When isntalling the web interface on a host other than the ActiveRoles Server host by an account other than the ActiveRoles Service account

CAUSE 2

The IIS Admin Service is not started or set to disabled

RESOLUTION 1

Install the ActiveRoles Web Interface component on the host using the ActiveRoles service account

RESOLUTION 2

Start the IIS Admin Service