I connect to correct host/IP with right credentials with SSL. Still have problem. I am not getting any solution

How to find the version?

I downloaded from below link

https://www.starwindsoftware.com/tmplin ... verter.exe

I am connecting to host itself not to vCenter. Please let me know

ESXi 6.0

Hello,

First I can't connect to ESXi server with port 443. Second if I uncheck port after connecting it is giving me blank screen. Can anyone explain why this is happening?
Attached Error

Thanks
Gana