Error "cannot connect to the hypervisor at <ADDRESS> object reference not set to an instance of an object" when running the XDSW

When running the XenDesktop Setup Wizard, it can fail with the following error: "cannot connect to the hypervisor at object reference not set to an instance of an object" The string will contain the actual URL of the vCenter Server. This issue can appear when the DataCenter name on the VMWare sid...