code: public Task reconnectHost_Task(HostConnectSpec cnxSpec, HostSystemReconnectSpec reconnectSpec) throws InvalidName, InvalidLogin, InvalidState, HostConnectFault, RuntimeFault, RemoteException {
          ManagedObjectReference mor = getVimService().reconnectHost_Task(getMOR(), cnxSpec, reconnectSpec);
          return new Task(getServerConnection(), mor);
      }
docs: SDK5.0 signature