More options to retain VM backups (0 and 6 weeks to keep last backup of the day; 0 months to keep last backup of the week; 6 and 7 years to keep last backup of the month)

Support for 960/965 and 1260/1265 CFA models

Disabled automatic Online DDFS Сompact

Appliance Network Share issues if no restores were performed

Audit Log occasionally failed to record system events

Boot verification occasionally flooded the log with exceptions

Failure to reconnect to multiple VMware vCenters after CFA reboot

Failure to show an existing VMware vCenter connection, followed by an error when trying to add it again

Incorrect job duration display format in the CSV file downloaded from the Jobs > History tab

Removed duplicate entries in the list of connections to VMware ESXi or vCenter

Replication would not start or stop automatically when certain replication compression options changed

VMware VM incremental backup would fail if a VM disk changed. Now the system automatically forces a full backup of such disk

Disk Usage Calculator


Ability to browse and restore files from the jobs to the shared storage on the CFA (Appliance Network Share)

Ability to push connectivity settings from the CFA to the Backup Agent installed on the client

Ability to start/stop the file shredder and check its status

Devices page now shows IP address of IPMI, if connected

Linux DR: Ability to specify the port number to be used for backup on the client

New backup retention settings for virtual clients (VMware and Hyper-V)

Option to disable HTTP access to the CFA (HTTPS-only)

RAID bar in the CFA Management Console now shows Protected Space

SNMP counters for DDFS show available/used/free space

Backup Agent: Ability to pair with from the CFA. UI overhaul

Boot Verification now runs once per day

Display of information about free space on the RAID bar in the CFA Management Console

Incremental DR Image and VM backups do not rely now on the existing full backups. They can be performed regardless of the level of the latest backup

Incremental VMware VM backups do not rely now on the full chain of backups since the latest full backup

Process of establishing the support tunnel in DR Image restore

Process of selecting datastores when restoring a VMware VM backup to a new VM

Replication now continues even if space on the primary CFA is critically low

Restore via the Backup Agent uses less temporary space on the client. Increased speed of restore

Reworked mechanism of storing information about VMware VM jobs allows to perform more frequent incremental backups with more time between full backups

Texts and wording in the CFA Management Console UI

Units for showing storage/amount of data in the CFA Management Console are now using 1024 base, and consistent with the relevant Dashboard units

After CFA reboot, the support tunnel was shown as stopped while connection has been restored

Alleviated the possibility to accidentally overwrite configuration of the primary CFA by configuration from the secondary CFA when setting up replication

Backup Agent: Login failure when querying for SQL databases

Backup progress could be occasionally shown on the secondary CFA

CFA could not send data to the Devices page

CFA could stop responding during firmware update

CFA could stop responding when pushing the Backup Agent to a client with insufficient user rights

CFA could stop responding when sending data to the Dashboard

CFA could stop responding when starting a Hyper-V VM backup during the Backup Agent automatic update

Dashboard showed alerts on automatically canceled jobs

DDFS errors during truncate operations

DR LAN had no outbound access if DHCP has been disabled

Failure to start restoring files from an orphaned backup job

Inaccurate RAID usage in the Dashboard

Incremental selective VMware VM backup forced full backup after the CFA reboot

Linux DR backup failed if SSH login banner existed on the client

Linux DR backup occasionally skipped partition

Occasional failure to send the daily CFA report via Microsoft Exchange Server

Occasional stacking of the restore jobs in the ‘pending deletion’ state on the CFAs with replication enabled

Some filters in the jobs views were case-sensitive

Unquoted path vulnerability in Windows Registry after the Backup Agent update

Ability to dehydrate VMware jobs for archiving purposes

Ability to manually create differential VMware VM backup

Default settings for clients on the secondary CFA

NAS settings from the CFA Management Console (System > Tools)

Support > Portal tab in the Management Console of the unbranded CFAs


Files with Unicode symbols in their names were not available for Browse and Restore

Occasional termination of the DDFS mount or repair process due to excessive memory consumption on the CFA

Failure to boot a VM on the CFA if the Group Policy denied installation of any new drivers

Failure to delete jobs on the secondary CFA under the retention policy


Disabled weak ciphers for SSH connection

Events retrieval mechanism in Audit Log

CFA security aspects (httpOnly cookies)

Replication could stop on the secondary CFA under certain conditions

DR backup could fail due to inability to mount the backup destination

Orchestration could not run under certain conditions

DR LAN has not been activating the gateway, if DHCP was disabled

Backup has been failing for Hyper-V guests with duplicate IDs, if Hyper-V replication was enabled

Purge Remote Jobs option on the client Edit page to prevent accidental removal of the already replicated jobs


Ability to wipe the backup data completely and securely, if the CFA is to be decommissioned

Ability to connect to the CFAs available on your local network via the devices page

Option to set the date until a backup job will stay pinned

Option to set the DR schedule when creating a client. The Schedule column is now shown in the list of clients

Local/cloud boot: custom QEMU commands, CPU model choosing, keyboard layout options

RAID status is shown on the console screen

Full VMware 6.7 support

Browse and Restore: expanded the list of supported file systems, improved stability, show message if no browsable data

Customization of the replication bandwidth limit

Date Until Pinned for the previously pinned backup jobs was set to 10+ years from the present moment

Ability to perform Linux DR backups with the non-root user credentials

Support for local/cloud boot of the DR images and VM backups of the clients with disks with 32 sectors per track

Disk order preservation during the local boot on the CFA or in the cloud

Improved stability of the DR Image and Hyper-V backups

Reduced storage space used to perform the DR backups

Updated the Knowledge Base link in the CFA Management Console (Support > Documentation)

Improved wording of the requirements for performing the local boot on the vCFA

In case of CFA shutdown, DDFS would not unmount at once, which required the hard reset

Inability to bond network interfaces on some CFA models

Incorrect CPU model identification during the local boot

Occasional failures of DR backups

Some jobs could not be deleted under the retention policy

Jobs re-imported from the archive or pushed back from the secondary CFA were deleted at once under the retention policy

VMs with dynamic disks could not boot under certain circumstances

Occasional failures when backing up a turned off VMware VM

Hyper-V backup could fail, if the Hyper-V guest migrated to another host

Failure to restore a Hyper-V incremental backup with a newly added disk

Progress of a VMware VM backup was not shown

Editing a client on a secondary CFA is now disabled

Failure to update the Agent installed on a client due to the improper service stop

Though disabled, Boot Verification screenshots were shown in Clients > Summary

Garbage Collection history did not show any data

Hardware Monitoring section in the CFA Management Console did not show the CPU and hard disk information on some CFA models

Failure to generate the weekly CFA report

Daily CFA report showed incorrect restore point date, if the last backup has failed

Keyboard layout bugs when booting VMs

Auto-archiving of differential and incremental backups on VMs


Main DDFS processes use up to half of the available RAM

Drag and drop did not work in Boot > Orchestration


Boot verification occasionally blocked backups

Lags when showing the VMware tab in the CFA Management Console

Removed the duplicate Protected Bytes column in the list of clients

CFA would not reconnect to ESX/vCenter after the disconnect

Failed jobs were not deleted after the garbage collection


Online DDFS Compact

Ability to unlock a VMware VM migration option from the CFA Management Console

Pin/Unpin job. Allows to prevent deletion of a backup job

Audit log. New event – Delete client

5 seconds delay before local boot to enter the safe mode

CFA Management Console. Firmware version is visible on the login screen

CFA Management Console. Logic of filtering by date

Performance of the replication jobs

The second hard disk in a DR Image backup timed out during the restore

VM images, which were uploaded to a VMware host as templates, were not protected by the system until powered on

Incremental backups failed on a VMware VM with a newly added hard disk

Hyper-V backup jobs hanged/froze when multiple jobs had been performed simultaneously

Verification of a backup job appeared as failed until an automated task had ran after the job was completed

Hyper-V backup jobs failed if the password had been modified

32-bit and 64-bit Windows agents would not run simultaneously


Sometimes the CFA froze with the boot verification turned on


Boot verification. Allows to verify a DR Image or a VM backup by automatically booting the last successful backup on the CFA

VMware VM selective disk backup

Mass update of the CFAs

Audit Log: Provides information about the system events

Ability to add multiple users to CFA (command-line only)

Rebuilt daily backup report: Now includes boot verification results, where supported, and gives more concise information to customers about their backup system daily overview

Email notification on login

Option to require password for remote access to the CFA via the Dashboard

Option to restrict access to the secondary CFA for our staff

Support for the new CFA 550 model

Increased performance of the VMware VM backup jobs (up to 5x faster)

Run multiple backup jobs for the same Hyper-V host simultaneously

Protected space calculation for various file systems, software RAID, LVM, and Windows Dynamic Disks

Automatic RAID configuration during initial provisioning of the CFA, no reboot

Quick Start Wizard: no Certificate step; Time Zone/Date/Time steps combined

Management Console: Revised columns on the Clients > Summary tab

Management Console: the Clients > Summary tab shows the date of the last successful backup job for each client

Custom SMTP port and encryption in email server settings

Manual deletion of the jobs from the secondary CFA

Default retention (3 months) for the new CFA

Automatic deletion of the failed jobs after 7 days

Dashboard: Shows number of jobs pending replication

Job message logs show timestamp

If two jobs of one type and level are performed for the client, prevent a new scheduled job of the same type and level from running

Performance and reliability of the Microsoft Exchange backup and recovery

Automatic archiving

Jobs related to VMware VMs show a warning, if performed without the VMware Tools

After the CFA was set up, firmware updates, if any, are downloaded automatically until successful

Remote access and support tunnel stability

Errors on the VMware side during the VMware VM backup and restore (by using dynamic buffer size)

Alphabetical sorting of devices in Orchestration


Orchestration tab does not show clients with bootable jobs

Support tunnel does not reconnect completely after the connection was interrupted


Unable to select destination directory via the Browse Client dialog while the contained files being restored

Failed to boot the machine with a specific MAC address


MAC address can be in the Boot Settings

Some file systems were not backed up on Linux VMs running in Hyper-V, but the jobs were shown as successful. These file systems will be backed up properly after the agent on the Hyper-V host and the CFA are updated

Excessive RAID utilization during routine processing

Always-on tunnels. Tunnels for all customers will no longer time out after 24 hours and are switched to faster network connection

Dashboard. Multiple changes to make remote access to the CFA more reliable. Including both backend improvements and issues, which previously required cleanup of cookies in a user browser

DR Image backup errors due to the invalid geometry of a hard disk

Hyper-V restore jobs transferred the free space

Deterministic use of the CFA MAC address for licensing and replication pairing. Previously, especially with the 950 model, this caused errors when configuring the replication

Automatic archiving option

Non-bootable, but browsable, Linux DR backups with LVM

A new DR Image backup job started even if the previous had been performed

CFA 1000 models showed the error telling that Catalogs were on the RAID


JVM crash during frequent incremental VMware VM backup jobs

Background cleanup of VMware VM snapshots left behind

Replication of the jobs to be deleted remotely due to the retention policies

Remote access became unavailable after interruption of the network connection between the CFA and the cloud infrastructure

Inability to open more than 6 remote access windows from the Dashboard simultaneously

Stalled information and Unknown status on the DR Sites & Appliances page in the Dashboard after interruption of the network connection between the CFA and the cloud infrastructure

Hyper-V VM restore transfers only information inside the disk image, but not empty blocks

Proper DR Image backup of partitions outside of the disk bounds (VimSDK error Bad parameters of function)

Primary CFA stopped working after some time, if the secondary CFA had the incompatible firmware version

Notification in the CFA UI regarding the Catalog volume not being on the SSD

Always reconnect to VMware after reboot of the CFA

Inability to browse and restore files from the vCFA

Inability to perform boot of Windows clients with inconsistent NTFS


After the firmware update, incremental DR Image backups failed until the full backup had been performed or the client configuration had been modified


File and Folder and DR Image backup of physical Windows 2016 clients

Backup of Windows 2016 VMs deployed on VMware and Hyper-V without the agent

Backup of VMs deployed on Hyper-V 2016

Boot of Windows 2016

vCFA deployment to Hyper-V 2016 (with nested boot support)

Backup of SQL Server 2016

Backup of Microsoft Exchange 2016 (database)

vCFA deployment to Nutanix: support for vCFAs on VMware, Hyper-V and AHV; support for backup of VMware and Hyper-V VMs deployed on Nutanix without the agent

SMB2+ support on the CFA

DR Image restore: Compression and auto-resume during over the network

DR Image restore: Supports the latest hardware drivers and boots on the UEFI systems

DR Image restore: Supports Hyper-V Gen2 VMs

Replication Summary emails

Revised Support tab in the CFA Management Console

Hyper-V VM backup: Ability to resume Hyper-V backup jobs after migration of VMs to another Hyper-V host

VMware VM backup: Ability to back up very long chains of VM incrementals

DR Image restore: Failure with the No changes message

Hyper-V VM backup: Issue when the storage was added, but remained unavailable

Hyper-V VM backup: paragonMetadata error during the file restore from a folder

Hyper-V VM backup: Two VMs with the same name and ID caused automatic registration every few seconds

Hyper-V VM backup: File restore from a VM failed with Error in SetFileTime

VMware VM backup: Users were not informed about the failure to create snapshots

VMware VM backup: When restored from a VM, certain file types caused the process to freeze

VMware VM backup: Auto-release VM migration locked after the backup


Calculate the protected space based on the number of protected machines

Additional fields Protected Bytes in Clients > Summary and Jobs > History views

Metric is shown in the Dashboard, Appliances view (for updated CFAs only, pre-6.12.1 CFAs have it as 0

Metric is sent to ConnectWise Manage for billing purposes

During firmware update, for each client, the metric is calculated based on the latest job

Cloud replication hardening

Problem when after replication issue (lost network connection, DR cloud maintenance, etc.) replication does not auto-resume

Catalog stored on HDD rather than SSD in some 1550 and 2750 CFAs


Always provision CFAs to their full capacity

Replication monitoring via SNMP and email notifications

Encryption for replication is turned on by default

Stability of the DR Image backup of Windows

VSS errors during File and Folder backup of Windows 2016

Stability of pushing the backup agent

Replication stability

VPN connectivity issues to DR LAN in our cloud


Improved DR Image backup of Debian 7 and 8

Improved DR Image backup of Ubuntu 14.04

Monitoring of DR backup jobs in the Dashboard

White-labeled CFA

Successful boot detection

Storage added but is unavailable error appearing during the DR Image backup

100% CPU usage when Hyper-V connection is broken


Improved Cloud Boot Orchestration

Restore LAN configuration in the cloud

Visual designer for boot sequencing, grouping, delays between boots

Improved bare-metal backup for CentOS 5/6/7 and RHEL

Built-in VNC client

Screen preview for the booted machines

Improved support of VMware 6.5

Improved SNMP-based monitoring

MAC address of a machine is saved during backup and can be restored on boot (no need to enter manually)

User can choose disk controller model on boot

Default boot resources increased to 2 cores, 4 GB of RAM

Boot settings can be fully pre-configured from the Client > Edit, settings in the cloud are not overwritten by configuration of the on-premises CFA

Secondary CFAs will be updated automatically when customer updates firmware on the primary CFA

RAID configuration in the provisioning wizard within a single dialog

Used space the CFA Management Console includes free blocks. Now it shows actual space including free DDFS blocks

Slow backups (especially with VMware)

Replicated jobs with the Failed Verification status are imported again automatically

Restore jobs of the contained VMware files are not displayed in the Active Jobs list

CFA crashes during operations with VMware, if the user performed DR booting before that

Jobs pushed back from the secondary CFA or restored from the archive are immediately deleted by the retention policies

Direct to agent file restores to UNC path produce files with beginning junk data if the backup included NTFS attributes

Agent did not work on FreeBSD 10

Broken formatting of the RAID email notifications


Software RAID support

Minor LSI RAID UX improvements

Broken files when restored to /?/UCN/

Job Statistics widget showed currently running jobs as failed

Users could get access to several panels via notices in the cloud mode

User stayed on the Active Boot tab after provisioning

When pushed back from the secondary CFA, jobs were deleted immediately by the retention policy


Support for LSI RAID controller

One-click replication configuration

Automatic cleanup of the temporary replication files at the CFA reboot

Improved performance of the DR Image restore

Provisioning Wizard design changes

Improved replication status detection

Improved performance of the Hyper-V incremental backups

Failure to back up DDFS

Job retention did not work, if replication has been configured, but the client has been set to not replicate

When turned on, cloud replication turned delta on as well

Incorrect format of the RAID email notifications

Unclear filter state in Clients > Edit

Active/Active provision option



Various minor fixes and improvements


Boot groups

macOS installer to simplify deployment and registration of the macOS clients

Default replication to our datacenters instead of Amazon (faster cloud boot)

Set MAC address for a machine when local booting

Local and cloud boot support for Windows XP and higher

UEFI support for all Windows versions with UEFI

Global support for the third-party infrastructure monitoring system (SNMP pull), that is, Nagios, Splunk, Munin, and other

Password protected VNC

VNC simulates keyboard/mouse, provides full access to whomever has the VNC info

GUI/UX improvements

SQL backup and restore wizards have been redone to be more clear and simple

Warning if a VM in VMware host has illegal character names

New design similar to the Dashboard

Auto-update/auto-install clients

Network configuration issues


Support for BitLocker for DR Image and Hyper-V backups

DDFS-AR: Async implementation

Simplified version requirements for replication

Transfer rates for DDFS Assisted Replication

Do not require to forward port on the customer’s firewall to configure replication

Version check for non-cloud replication

Offline disks would cause DR Image backups to fail

Improper updating if the RAID was encrypted

GRUB config defaults to debug entry in 6.7

Global default values could be read incorrectly

Region Lookup: vCFA UI required refresh to show the available regions after first deploy


Improved DR Image and Hyper-V incremental backup performance

Backup failure reported as success

Hyper-V host could be added more than once

Hyper-V backups left .avhdx files behind

WebUI failed to finish loading after the reboot

Hyper-V VM backups with RDM disks now have the disks skipped instead of failing the backup


Support for Hyper-V in Windows 10

Combined installer uninstalled the old DR Image software and did not install the new one

CFA/vCFA could be used in NTPD amplification attacks

System disk reported out of temperature

After DR Image agent installation and reboot, an error message was recorded in the Windows Event Logs

DR Image backups failed on the clustered disks

Hyper-V VM incremental backup jobs were slower than the full backup jobs

Hyper-V VM incremental backup jobs failed if a VM had an empty disk


Boot jobs with Windows XP/2003 and more than four disks on the CFA

Re-register the CFA with a different Dashboard account. The CFA will be removed from the previous account’s Dashboard, and added to the new one

Option to skip independent persistent disks, so any .vmdk files in a VM that are not in Independent-Persistent mode can still be backed up

Option to list specific drive letters to include in the DR Image backup jobs, excluding all others

Option in the CFA console screen to reset networking to the defaults (DHCP, no bonding, no export virtual) to be used if changing network settings locked the user out of the WebUI

Buttons to allow DNS, IP, and Proxy to be configured from the WebUI before attempting to validate subscription license during provisioning

New warning when using push client installation if KB958488 is not installed, the installation of .Net4 will require a reboot

Push install of agent will now update agent settings if trying to push install over an existing installation of the same version

Browse and download from cloud service works for some file systems in DR Image and Hyper-V jobs

DR Image is now installed as part of the agent installation in Windows, and does not have its own installer anymore

Progress indicators in the push agent installation dialog

New warning that changing the settings in System > Settings > NAS can prevent some types of backups from working, and that the feature may be removed in future releases

Mouse interaction in VNC window for some jobs booted on the CFA

Windows 10 compatibility. No longer need to use Compatibility Mode

Unable to restore the orphaned VM jobs

Archive tab progress bars. When both archiving and reimporting have finished, they will correctly show the progress as 100%

Status and Health columns on the Hyper-V tab

Network settings did not apply correctly, if too many simultaneous changes were made in System > Settings > Devices

Incremental Hyper-V VM backup, which was deleted from the host, erroneously reported as successful

Network settings did not allow to export virtual and bonding to try to take each other interfaces

Archive tab progress showed the current archiving job as null

Unable to select a Windows client to use as the Hyper-V connection in some circumstances

DR Image backup jobs run on schedule even if the schedules were disabled globally in Jobs > Settings

Critical security update for glibc buffer overflow issue


Support for backup and restore of Hyper-V VMs

Cloud boot support for Linux VMs

Local boot support for vCFAs

Support for file backup of Windows 2012 R2 with deduplicated volumes

Full support for VMware vSphere v6

Support to setup agents for Windows Server directly from the CFA (push install, no remote access needed)

Cloud boot performance

Local boot performance

Incorrect tooltips

Issue with Browse/Restore (file level) of DR Image backups

Issue when editing multiple clients


Cloud replication services in the European Union and South America

Ability to choose the cloud replication region: North America, Germany, or Brazil

Support for the CFA deployment in Hyper-V

Support for the file level Browse and Restore of the DR Image backups

Windows 10 support

Cloud Backup Accelerator renamed to CFA 1200

Default cloud replication mode changed to delta

Locally booted VMs, which were powered off, restarted together with the CFA

Minor WebUI issues when creating/editing the schedules

Sorting on the Cloudboot tab

Agent incorrectly reported the version in Windows 8.1

Replication encryption, when enabled, blocked the replication process



Boot VMware backups directly on the CFA (Boot tab)

New warning when deleting a client but leaving the jobs orphaned, and when the automatic deletion of the orphaned jobs is enabled

CFA virtualization system to enhance reliability of the Active/Active CFA, and to enable the Boot tab

Firewall activated when replication settings had been applied

Firewall did not activate until the CFA had been rebooted

Malformed manifest entry in the vCFA OVA file


Remote access from the Dashboard to the CFA Management Console. Remote connection can be managed from the CFA Management Console. Notification when the remote session is active

Support for the Block Deduplicated Assisted Replication (DDFS-AR in UI). Increased performance for the VM replication. Enabled by default for the new and existing replication systems

Support for cloud boot from the Management Console

Ability to cloud boot Windows Server VMs replicated in the cloud

Ability to export and download Windows Server VMs booted in the cloud

Improved the process of creating a new client

Improved block deduplication

Missing icons in the Management Console

Restore ability of VMs with E1000e vNIC

Transfer Format column on the Replication tab did not sort