Here is a quick and dirty vSphere PowerCLI script that will help you identify empty networks (those that don't have any VMs attached) in vCenter and as an optional step - delete them from vCenter. Additionally, the script will check for the word "Trunk" in the network name and skip

1. Purchase public SSL certificates for your management and console proxy URLs. 2. Create the CA bundle from root and intermediate CA certificates: cat CA2.cer CA1.cer RootCA.cer > ca-bundle.crt 3. Name the files as follows: * http.crt - certificate file for control * consoleproxy.crt - certificate file