Dear All,
One of my server Esx 4.0 having 20 vm is up and running , but I am adding Vcs it's showing "Unable to connect to the Remote server" but i am trying to Vspher clinet Esx server it's show error "An Error while communicating with remote error". i am restart the services Mgmt-vmware,vpx but still i am not able to log in server(20 vm are running). please help me out.
Confirm that all your DNS settings are corrent at both ends and ensure that the relevant ports are all open.
To elimintae the DNS issue - try verify whether you can connect by using the IP address.
try and see if this is useful to you: http://communities.vmware.com/thread/153070