That's 100% correct. That's the behavior that mimicks a internal network. Inside an internal network all names are resolvable, and the hosts are routable. The issue comes when publishing UCSD to the internet via. a WAF or NAT and those ESXi hosts are...
I've found the the remote console works as expected whilst inside my management/private network. Once I configure a NAT and route to the public facing IP over the internet, everything stops. When deconstructing the vmrc:// URL, and the VMRC Web Brows...