I see one other report of the same thing on the vmware forums: http://communities.vmware.com/message/1839303
Thanks, ||Rich On Oct 28, 2011, at 5:17 AM, Stefan Hajnoczi wrote: > Rich: Thanks for the ESXi 4.1.0 and vSphere Client 4.1.0 version info. > > Fam: Do you have any suggestions how to debug the "Error uploading > file path/to/image.vmdk to server. Not a supported disk format > (sparse VMDK version too old)" issue? Ideally qemu-img would create > images that work with current VMware tools by default. > > Stefan