The change block filter (CBT) fails.
1. Verify that the disks on the machine you are backing up\replicating have disks with whole number. If the disks for this machine has a capacity of a non-whole number (100.394309483), then increase the disk size by one. That will bring the disk up to the next whole number.
2. Reset the CBT filter.
a. Disable CBt by right-clicking it in the vRanger "my Inventory" pane and selecting 'Disable Change Tracking"
b. In the VMware client, take and snapshot, with the memory unselected, and then remove that snapshot.
c. Re-enable CBT in vRanger.
d. Take and remove another shapshot in VMware.
3. Test a backup\replication