After configuring AAI to use HTTPS as per the KB error below as seen when launching the AAI client.
The Automic Automation Intelligence (AAI) Server is currently unavailable. Please check your network connection or contact your administrator, then close the AAI window and try again.
Release : 6.2.0-2
Component : AUTOMIC AUTOMATION INTELLIGENCE ENGINE
Add both the url with the fully qualified domain name and the shorter hostname to the list.
3. Ensure you are have a full Oracle JDK 1.8.x installed on the AAI server and that it is set as the JAVA_HOME variable and listed first in the system's PATH variable.
4. Restart AAI and download a new jnlp file and attempt to launch the AAI client again.