Error when try to log in to Idp: System.Net.Sockets.SocketException No connection could be made because the target machine actively refused it <IP address>

[Thomas Montefusco]

Using IIS, not Tomcat  I have SSL enabled in IIS

Fiddler:

 The connection to '<website>' failed.
Error: ConnectionRefused (0x274d).
System.Net.Sockets.SocketException No connection could be made because the
target machine actively refused it <IP address>

I'm new to Shibboleth and I'm  not even sure this is a Shibboleth issue.
Thanks!
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