Yes, √SHVMPRD host2(10.90.1.42) VMware ESXi 5.5.0 build-3248547 (connect successful)

And , another host,SHVMPRD host4(10.90.1.44) VMware ESXi 5.5.0 build-3248547, by the way.

I think the SSL certificate are okay, pls see the attachments.

and my vCenter IP address is https://10.80.1.51/ , they are at different network.