When trying to install the Microsoft Internet Explorer Web Controls, the installation can fail with the following error:
The specified path 'http://servername/webctrl_client' is unavailable. The Internet
Inforamtion Server might not be running or the path exists and is redirected to another
machine. Please check the status of this virtual directory in the Internet Services
Manager.
IIS 6.0 Management Compatibility role service must be installed on the server as part of IIS for Microsoft Internet Explorer Web Controls to be installed.
From Server Manager - Roles - Web Server (IIS) - Add Role Services, add the IIS 6.0 Management Compatibility role service with all subcomponents.
This Article only applies to CA/DA versions prior to 14.0.0. The Microsoft Internet Explorer Web Controls installation is no longer required in the 14.x or greater releases.