ESXi keep disconnecting from vcenter after network & storage refresh. I am not able to do anything on ESXi 5.5 hosts . Its keep disconnecting from vcenter 5.5. i am not able to refresh network , storage , unable to start any service , unable to enable vmotion etc .. when i try do anything on esxi 5.5 the it show error " Re: An error occurred while communicating with the remote hostAn error occurred while communicating with the remote host "
and ESXi 5.5 host becomes unresponsive / disconnected and i have to reconnect host again manually . there are two clusters in the data center . In first cluster 6 esxi hosts have no issue . I created 2nd cluster to add 5 more esxi 5.5 hosts they showing issues that I explained above . Please help me to diagnose them . Is there any firewall port issue or any other issue need to be fixed to resolve issues.
