You can remove a local ESXi user from the host.
About this task
Do not remove the root user.
If you remove a user from the host, they lose permissions to all objects on the host and cannot log in again.
Users who are logged in and are removed from the domain keep their host permissions until you restart the host.
- Log in to ESXi using the vSphere Client.
- Click the Local Users & Groups tab and click Users.
- Right-click the user to remove and select Remove.
Do not remove the root user for any reason.