The Federation Service has detected that Secure Sockets Layer (SSL) is not enabled for communication between this federation ...

The Federation Service has detected that Secure Sockets Layer (SSL) is not enabled for communication between this federation server and the server hosting the Active Directory Lightweight Directory Services (AD LDS) account store, identified by URI: %1,  that you specified in the trust policy. Although communications between a federation server and an AD LDS server will be successful when a secure channel has not been established, we recommend that you configure the properties of your AD LDS account store using SSL unless this communication has already been secured by other means, such as Internet Protocol security (IPsec).

User Action 
Ensure that communication between this federation server and the AD LDS server is secure. You can use the Active Directory Federation Services snap-in to edit the properties of your AD LDS account stores and configure them to use a secure channel. To enable this configuration, select the Enable Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols check box in the properties for each AD LDS account store in the trust policy.