Error 11 Sending Data to KWFS

Error 11 normally indicates "the request was aborted: Could not create SSL/TLS secure channel."

This issue can occur if your firewall settings or proxy server settings are configured incorrectly. Your IT service should review the firewall settings against the MCA Technology Requirements (WinMORE and NetMORE).

https://support.microsoft.com/en-us/help/3067292/-the-request-was-aborted-could-not-create-ssl-tls-secure-channel-error-when-you-run-the-exchange-hybrid-configuration-wizard