Grant Shell access to Root
By default, ROOT no longer has the ability to SSH into the ESX server.
This can be re-enabled for ease of administration. If you are at the console, skip directly to the PUTTY commands.
Add Service Account User via VI Client
Add Temp Service Account with Shell Privilege.
PUTTY to 172.27.32.111
Log in as our temp VMService account and type su - and the ROOT password.
Type nano –w /etc/ssh/sshd_config
Find PermitRootLogin no and add #
Restart sshd by typing service sshd restart
Remove Temp VMService Account