case vcFEATURE_VNET : return ver >= 0x00020001;
case vcFEATURE_VSTAT : return ver >= 0x00020103;
case vcFEATURE_PPTAG : return conf & VC_VCI_PPTAG;
+ case vcFEATURE_SPACES : return conf & VC_VCI_SPACES;
case vcFEATURE_PIDSPACE : return ver >= 0x00020303 || ver >= 0x00020201;
default : assert(false);
}