Install the VMware Enhanced Authentication Plug-in
docs.vmware.com › en › VMware-vSphereFeb 10, 2021 · Procedure Open a Web browser and type the URL for the vSphere Client. At the bottom of the vSphere Client login page, click Download Enhanced Authentication Plug-in. If the browser blocks the installation either by issuing certificate errors or by running a pop-up blocker, follow the Help instructions for your browser to resolve the problem.