If the VDP backup fails , the following troubleshooting steps can be used SSH to the the VDP appliance and browse to the /usr/local/avamarclient Search for logs related to the VM : grep -r -a "VM_NAME" ./* If you suspect it is snapshot related issue : grep -r -a " VM_name" ./* | grep "FATAL" To be more specific and to check messages for a certain date, try searching using the date : grep -r -a " VM_name" ./* | grep "2013-08-02" Sometimes we could get very useful information from the "info" messages as well. Inorder to narrow down to the same, you can use the command: grep -r -a "VM_name" ./var-* | grep "2013-07-03" The baove command will search only through the 'var-proxy' directories. It will display the entire log file. You can less it to view details for a specific date eg: less ./var-proxy-5/VMGROUP1-1378306800496-35fj52c29f48eeejef090b27edaeba3d868719e8-4016-vmimagew.log /2013...