Is there a way to capture or backup the html & image files from a custom default portal in ISE 1.1 to be able to move it to a fresh install of ISE 1.2. Would it be in the backup somewhere?
Cisco ISE allows you to make global customizations that that affects the look, feel and behavior of the web pages users see in the Guest, Sponsor, and My Devices portals:
You can check the below link for step by step configuration: