Blog with technical details to trouble issues
How to Enable / Disable Root Access on VMware ESX
By default root access disabled in Vmware ESX server, we will see how to enable Root access below
Login with root priviledge on Vmware ESX Console
search line for PermitRootLogin and change to YES if set as NO.
restart SSH service /etc/init.d/sshd restart.
We are good to go, now we have Enabled / Disabled root access on Vmware ESX.