Hi team, I am a novice in Siteminder. I have set up 3 different host(abc.com,mno.com,xyz.com) in my web server using virtual host. Now, I have different realms/policy to access 3 different resources under different host. I need to have SSO among them. According to guide, I feel I require 3 different web servers (to have 3 different ACO for each) to setup the cookie domain parameters. I would like to know if SSO will be possible using single web server or not. I tried and ended up with error like "Cookie is missing". Please help.