The Instantiate a New vApp section of the workflow tries, for a given virtual datacenter, to instantiate a new vApp from the vApp template that matches the vApp template name and identifier defined in the auto-scale and burst settings. If, for any reason, the instantiation fails, the workflow tries to instantiate it in the next virtual datacenter, in the burst order. The vApp name is generated automatically, based on the name of the existing vApp..