Hello All, i had already created a Facebook App Rex Demo and i want to use this app through Single Sign on. Client Configuration:- test-Only Initialization URL https://login.salesforce.com/services/auth/test/00DB000000018IzMAI/Facebook Single Sign-On Initialization URL https://login.salesforce.com/services/auth/sso/00DB000000018IzMAI/Facebook Existing User Linking URL https://login.salesforce.com/services/auth/link/00DB000000018IzMAI/Facebook OAuth-Only Initialization URL https://login.salesforce.com/services/auth/oauth/00DB000000018IzMAI/Facebook Callback URL https://login.salesforce.com/services/authcallback/00DB000000018IzMAI/Facebook
After this when i am using open the call back url and Test-Only Initialization URL on my another browser its not working . Help me out .