What is Relay State?
From an Identity Provider perspective this is a way to Connect a user With a specific Service Provider, or Trusted Relying Party, in case you have configured Your IdP With several Service Providers. Technet Article: http://technet.microsoft.com/en-us/library/jj127245(v=ws.10).aspx Modify Your IdP Sign-in URL With a Relay State to pre-choose which Service Provider to use, instead of needing to…