Citrix Cloud: Unable to create Host Connection in Azure cloud Error: "No Citrix CC was found"

While creating host connection on Citrix Cloud user receives: Error "No Citrix CC was found, either on the site or for the required zone. At least one CC is needed for the site."...

Error: "The underlying connection was closed..." when querying the Monitor Service OData endpoint

Clients that attempt to access data OData or other Citrix Services with TLS versions 1.0 and 1.1 fail to establish a connection. Clients using .NET Framework may raise the following error: System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. ---...