I have looked at the KB and searched the forums, but nothing about this issue. I have several Fusion (VMware) VMs. I've just bought Parallels 12 and am in the process of converting. First small VM converted OK. Some issue with Parallels toolbox and screen scaling, but that was sorted after reinstalling the toolbox for the second time. The issue is (and note novice parallels user) when I tried to convert a 260Gb Fusion VM, the wizard said I needed 24Gb free disk space. It failed when it ran out of available disk space (there was 136Gb free when the process started, obviously NOT 260Gb). I now freed up a further 200Gb+ space and restarted the operation. The wizard said it needed 38Gb disk space this time, but seems to be progressing as expected. Clearly incorrect disk space requirements (and not a die in the ditch issue), but why is it reporting the incorrect disk requirements? The ONLY reason I can think is that there are two Fusion VMDK files and maybe?? it is getting the disk size requirements from the smaller of the two (but that's just an absolute guess): Disk.vmdk Size: 277Gb Disk-000001.vmdk Size: 35Gb Any ideas? Or is it just a bug with the wizard? Thanks, Kevin