[ovirt-users] cannot exceed maximum memory size

Hello , I am have an script that create VM , after upgrade to 4.1 I have this erro when trying create a new VM: detail: Cannot add VM. Memory size (20480MB) cannot exceed maximum memory size (4096MB). my commando fore create VM : api.vms.add(params.VM(name="teste", memory=memo , cpu=cpu, cluster=api.clusters.get(cluster), template=api.templates.get('Blank'), type_="server")) I dont how specific the maximum memory size. Thanks Marcelo Leandro