Symptoms
The error is reported during backup (VMware VADP backup sets).
Cause
A known VMware issue described in the VMware KB #2090639 "QueryChangedDiskAreas API returns incorrect sectors after extending virtual machine VMDK file with Changed Block Tracking (CBT) enabled"
Workaround
Follow the recommendations available in the VMware KB #2090639 (apply the corresponding patch for the ESXi version running on the backup source VMWare environment).
The link for this KB is: