You can disable the vSphere Web Client customizable user interface feature by changing the webclient.properties file of vCenter Server or vCenter Server Appliance.
- Connect to the vCenter Server or vCenter Server Appliance by using any remote console, and optionally use SSH.
- Navigate to the webclient.properties file and open it in a text editor.
Option Description vCenter Server installation_directory\VMware\CIS\cfg\vsphere-client\webclient.properties vCenter Server Appliance /etc/vmware/vsphere-client/webclient.properties
- On a new line, enter docking.disabled=true and save the file.