Enable Lockdown Mode Using the vSphere Web Client

Enable lockdown mode to require that all configuration changes go through vCenter Server. You can also enable or disable lockdown mode through the Direct Console User Interface (DCUI).

1. Browse to the host in the vSphere Web Client inventory.
2. Click the Manage tab and click Settings.
3. Under System, select Security Profile.
4. In the Lockdown Mode panel, click Edit.
5. Select Enable Lockdown Mode.
6. Click OK.