Required Ports for vCenter Server - VMware
docs.vmware.com › en › VMware-vSphereNov 02, 2020 · The vCenter Server system must be able to send data to every managed host and receive data from the vSphere Client. To enable migration and provisioning activities between managed hosts, the source and destination hosts must be able to receive data from each other through predetermined TCP and UDP ports.
TCP and UDP ports required to access VMware vCenter Server ...
kb.vmware.com › s › articleJul 02, 2021 · vSphere Web Client: vCenter Server: The default port that the vCenter Server system uses to listen for connections from the vSphere Web Client. To enable the vCenter Server system to receive data from the vSphere Web Client, open port 443 in the firewall. The vCenter Server system also uses port 443 to monitor data transfer from SDK clients.