Since the size you're wanting is > 1TB, I recommend not using converter for that volume, anyway. It would be better to just add a virtual disk to your VM, initialize & format it, then use something like Veeam FastSCP (
http://www.veeam.com/vmware-esxi-fastscp.html) to copy or move the data to your other VM. (I think Veeam is a bit quicker than standard Windows copy/move & paste)
~coolsport00