unable to add a ESXi host in Vcenter Server

[shankar123]

Directly i can open ESXi host via Vsphere Client but unable to add a ESXi host in Vcenter Server

Getting following error

Call "Datacenter.QueryConnectionInfo" for object "HCSJ" on vCenter Server "WIN-MTJPRZL95KX" failed.

I have attached error message please find the attached image.

[marcelo_soares]

From the vCenter Server machine:

- Can you ping the ESX?

- Can you connect to it using the vSphere Client?

[kjb007]

Sounds like either a networking issue or a firewall between vCenter and the ESX host.  If this is a default windows build for vCenter, turn the firewall off to see if that's contributing to the problem.

-KjB

[shankar123]

yes, i can ping ESXi host from Vcenter server and also i can open host through Vsphere client.

actually 

I found that issue. The issue is connectivity problem between the particular host and Vcenter Server

Can’t ping Vcenter Server from Particular ESXi host via  CLI mode. But I can ping Vcenter server from local and also from other hosts.

Connectivity is reachable from this host to other host where Vcenter installed. But not reachable to Vcenter

[kjb007]

If they are on the same subnet, check your subnet mask. That will usually be the issue.

-KjB