Hi
Some more details:
If the conversion fails at 97%, this means the disk/volume setup has been done and all data have been cloned, only the reconfiguration has failed.
Manually reconfiguration include 3 important steps - fixing fstab, installing GRUB, and rebuilding initrd image (and a few less important like fixing network config and dealing with SE Linux). Generally, when reconfig fails, we suggest doing it manually by booting from a live CD. There is KB article that explains the second and third steps in details, but it omits the first one which is important: VMware KB: Virtual machine does not boot after being converted from a physical Red Hat machine
Supported distros are RHEL, SLES, and Ubuntu. All others are treated the same way and use some Red Hat derived script. Disk/volume setup and data cloning is the same for all but reconfig differs. This means you shouldn't need to do steps 2 - 5 manually. It also means Debian is not expected to be reconfigured and you should do it manually.
Converter 5.5 supports doing P2V of KVM VMs but they must not have paravirtual kernels! I'd expect it to work for XEN too, though never tried. I.e. step 6 is for paravirtual sources and is not needed otherwise.
HTH
Plamen