Error – AD FS Management
An error occurred during an attempt to read the federation metadata. Verify that the specified URL or host name is valid federation metadata endpoint.
Verify your proxy server setting. For more information about how to verify your proxy server setting, see the AD FS Troubleshooting Guide (http://go.microsoft.com/fwlink/?LinkId=182180).
Error message: The request was aborted: Could not create SSL/TLS secure channel.