Sadly the IIS web adapter installation procedure makes no mention of enabling an HTTPS (SSL) binding for IIS. I have IIS 7.5 installed and have the default web site running port 80. I added an HTTPS binding for port 443 and used a self-signed certificate. When I try to access ArcGIS server at https://myserver/arcgis/rest I get an application error "Unable to connect to the remote server". If I use the same URL with HTTP only it works. What do I have to do to get the web adapter to forward HTTPS connection?