I got into an issue of one of my client into Vsphere environment where one of
its ESXi went done out of the network. Issue was IP address was showing 0.0.0.0
on main Esxi screen and when I tried to change the network configuration, its
" Configure Management network option was greyed out.
I tried to gid into it and try to analyis its
vmKernal and vmwarning logs. What I found is its VMkernal switch got removed
due to unexpected reason.
resolve the issue I tried to reconfigure its vswitch0 (vmk0) by going into Tech
Mode of that Exi. Below are the steps which I followed to resolve the issue.
1) Login to ESXi 2) Press F2, Check if you "Configure
Management network" is greyed out or not"
if yes, follow below 3) Press ALT+F1 to move the
ESXi screen to tech mode(
This is command line like dos) 4) login with root account 5) Run the following command
into it esxcli network ip interface add
Network" 6) T…