You are correct. You need to register all other site to first SSO.
Below post is on Linked mode with SSO for SRM but you will get what exactly you mean
Refer: Linked mode with SSO for SRM | VMware vSphere Blog - VMware Blogs
You are correct. You need to register all other site to first SSO.
Below post is on Linked mode with SSO for SRM but you will get what exactly you mean
Refer: Linked mode with SSO for SRM | VMware vSphere Blog - VMware Blogs