vSphere Client or ESXCLI to Suppress SSH/Shell Enabled Cluster Warnings
VMware KB on suppressing SSH/ESXi Shell enabled warnings vSphere 5 hosts by setting UserVars.SuppressShellWarning to 1. The KB explains how this is done with the vSphere client.
This can also be done using esxcli:
esxcli system settings advanced set -o /UserVars/SuppressShellWarning -i 1









