This article applies to the following ScreenBeam products:
In order to upgrade the firmware on a ScreenBeam receiver, or change the background or screensaver image an HTTP server is required to host the files needed for the ScreenBeam. The HTTP server does not need to be publicly accessible, it can be internal to the network. A MIME type for .img files must be configured on the HTTP server.
Windows IIS provides a sufficient HTTP server, detailed setup and configuration instructions for IIS are available in this article.