ESXi Shell and SSH appear on an ESXi 5.x host summary Tab.
ESXi host shows these errors:
-> ESXi Shell for the Host has been enabled
-> SSH for the host has been enabled
These messages that appear with a yellow exclamation mark inform administrators that remote access is enabled for the server. You can simply disable them to remove Messages.
Disable these warning using vSphere Client
1: Select ESXi Host From the inventory
2: Click Configuration tab in Software Panel
3: Navigate to UserVars > UserVars.SuppressShellWarning.
4: Change the value from 0 to 1
5: Click OK
You can also Disable and enable above error warnings using esxcli
Login to ESXi host and run following command to disable
vim-cmd hostsvc/advopt/update UserVars.SuppressShellWarning long 1
To enable the warning simply change the value 1 to 0
vim-cmd hostsvc/advopt/update UserVars.SuppressShellWarning long 0
Disable remote access using Web Client:
Select vCenter from the Home Menu
Select Host-Manage- Security Profile- Scroll to Services -Edit
Disable warning message using Web Client:
Select the Host
Look at the below screenshot and set the value to 1 and OK.