hyper-v to VMware coversation

Hi,

I am using vCenter 5.1 in my environment. I want to convert hyper-v vm to vmware environment but as per the vmware document we have to first shutdown the hyper-v vm.

Is it possible to migrate hyper-v vm to vmware without shutdown of vm. Is vmware vcenter converter will work for this becuase i tried it but its not working for me.

Thanks.