Before you can complete the ForgeRock configuration there are several prerequisites.
The ForgeRock instructions make several assumptions about the environment and settings.
You must have installed the GridGuard Virtual Appliance in the DMZ with the server address: https://gridguard.demo.local
General Guide to GridGuard Installation
You must setup GridGuard and created a realm of Process Type: "saml" and is reference by the name "saml".
General Guide to SAML Setup for GridGuard.
ForgeRock OpenAM 11.0.0 is installed and running with the server address: https://openam.demo.local:8449/openam
Adjust the setup of GridGuard and ForgeRock to match your actual values.