A part of Acronis Cyber Protect Cloud 26.06
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Fixed issues
Security
For information about security issues fixed in this release, see https://security-advisory.acronis.com/updates/UPD-2606-a90c-0163.
Backup
- [ARC-1030] The total archive size shown in the management console was larger than the sum of all recovery points, because the size of differential slice base backups was not included in the display. This issue is now resolved.
- [ABR-417740] When all email archives were deleted, the archiving storage usage was not updated to zero in the Management Portal. The storage usage is now correctly reported.
- [ABR-428745] Cloud-to-cloud backups did not run on schedule when a protection plan was configured with a cleanup by backup age retention rule. This issue is now resolved.
- [ABR-429373] The device widget in the management console displayed an outdated last successful backup date that did not reflect recent backup activity. This issue is now resolved.
- [ABR-393841] When a bootable media agent was offline, the Delete button was not available in the web console, making it impossible to remove the agent. This issue is now resolved.
- [CI-33957] cPanel database restores failed with the error "restore failed with phase two database restore failed: alter table import tablespace failed: invalid connection". This issue is now resolved.
- [ABR-423351] Microsoft 365 Mailbox, OneDrive, and SharePoint backup and recovery operations completed with a warning when a transient network error occurred, because the operation stopped retrying after a single failure. This issue is now resolved.
- [ABR-429957] When browsing deleted immutable backup slices in a cloud archive with immutability enabled, the operation failed with the error "Failed to find the backup". This issue is now resolved.
Cyber Protection agent
- [KERNEL-19999] On some Windows machines, an alert was displayed stating that real-time protection and scheduled scans were not available because a driver was incompatible or missing. This issue is now resolved.
- [ABR-429451] After updating the Cyber Protection agent, real-time protection and scheduled scans are not available due to an incompatible or missing driver. This issue is now resolved.
- [ABR-431096] After updating the Cyber Protection agent from version 25.x, the MySQL Agent did not update automatically and the acronis_mms service failed to start. This issue is now resolved.
- [PLTFRM-90493] Acronis services crashed during startup on CentOS 6 systems. This issue is now resolved.
A part of Acronis Cyber Protect Cloud 26.05 Hotfix 2
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Fixed issues
Backup
- [ABR-431860] SQL Server backups complete with the warning 'The authentication credentials for SQL Server are not specified' when an offline SQL Server instance is present on the machine.
- [ABR-431751] The 'Not enough RAM' alert is triggered after updating the protection agent on a virtual appliance, and the virtual appliance might crash.
Disaster recovery
- [DRAAS-48635] DR to Azure is failing with error 'Creating a virtual machine from Marketplace image requires Plan information in the request' while creating a virtual machine.
A part of Acronis Cyber Protect Cloud 26.05 Hotfix 1
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Fixed issues
Backup
- [CI-33965] cPanel backups fail with the error 'The pre-data capture command completed with non-zero return code: 1'.
- [ABR-430992] Restore points are moved to Immutable Storage despite the 2-year retention policy.
- [ABR-417814] A false 'Backup is waiting' alert appears while the backup is actually running.
Cyber Protection agent
- [PLTFRM-90493] Acronis services crash during startup on CentOS 6 systems.
Cyber Frame
- [ABR-426601] The error 'Cannot find archive' occurs when trying to recover a VM to Cyber Frame from a cloud backup created by another Protection agent.
Disaster recovery
- [DRAAS-56388] Azure DR: Test failover fails with the error 'Failed to deploy lvm using lvm appliance.'
A part of Acronis Cyber Protect Cloud 26.05
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Fixed issues
Backup
- [KERNEL-20805] Backup plans may complete with the warning message 'Windows error: (0x8007001F) A device attached to the system is not functioning.' The backup itself may succeed despite the warning.
- [ABR-425267] After upgrading to macOS Sequoia 15.7.5, the Acronis Cyber Protection agent for Mac cannot mount SMB/CIFS shares used as backup destinations. Backups targeting an SMB share fail with the error 'Failed to mount SMB share.'
- [ABR-425171] Cloud-to-Cloud backup plans for Google Workspace (Gmail and Google Drive) may not run on schedule. The backups appear idle with no error messages even though the schedule is configured for daily runs.
- [ABR-393809] Cloud-to-Cloud backups of Microsoft 365 workloads (OneDrive, Mailbox, SharePoint) may complete with the warning 'Failed to register a backup in backup file. Please refresh the list of recovery points.'
Cyber Protection agent
- [ABR-425933] After reinstalling the Acronis Cyber Protection agent, clicking the Register workload button opens a browser tab with the list of devices, but the registration dialog does not open automatically. The workload registration cannot be completed through the installer.
A part of Acronis Cyber Protect Cloud 26.04 Hotfix 2
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Fixed issues
Active Protection
- [AMP-51872] The alert "Cyber Protection (or Active Protection) service is not responding" occurs on multiple devices.
Disaster Recovery
- [DRAAS-48635] DR to Azure is failing with the error "Creating a virtual machine from Marketplace image requires Plan information in the request" while creating a virtual machine.
Installation
- [ABR-428942] Agent update fails with the error "Could not update the ini file C:\Program Files\BackupClient\CyberProtect\cyber-protect-service.cfg. Verify that the file exists and that you can access it. (code 50136953)."
Integrations
- [CI-33747] The agent for WHM/cPanel environments could crash with an out-of-memory error when listing domains.
Recovery
- [ABR-426601] When recovering a virtual machine to Cyber Frame from a cloud backup created by a different agent after switching the Cyber Frame agent to a customer account, recovery failed with a "Cannot find archive" error.
A part of Acronis Cyber Protect Cloud 26.04 Hotfix 1
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Fixed issues
Active Protection
- [ADP-51939] After and update to Cyber Protection agent version 26.04 customers might observe an increased number of alerts for failed data collection for CPU temperature.
A part of Acronis Cyber Protect Cloud 26.04
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Enhancements
-
[ABR-422979] The execution of pre- post- commands on Cyber Frame virtual appliances is now disabled by default.
-
[ABR-422980] Improved support for custom roles in Cyber Frame.
Fixed issues
Cyber Protection agent
- [ABR-425132] The log files of ServiceProcess and credstore are consuming too much space after update to Cyber Protection agent build 26.3.42183
GenAI protection
- [DEVLOCK-7141] The Prompt Injection Protection blocks the access to internal websites.
Installation
- [ABR-425172] Cyber Protection agent installation on Windows Server 2012 fails with the error: "Failed to copy 'C:\Program Files\Common Files\Acronis\Drivers\FileMonitor\file_monitor.inf' to driver store.".
- [ABR-425220] The registration of Cyber Protection agent on Windows 2003 fails with the error "Cannot find a component with ID '594'."
Recovery
- [ABR-425043] Recovering virtual machines from Cyber Frame fails with Server response code: "413 - Request Entity Too Large: The request is larger than the server is willing or able to process".
Remote Desktop
- [ADP-51157] The upload of the recording of a remote session to cloud storage fails with the following error: "Task timeout expored. The agent responsible for processing the task is not accessible or is busy processing other tasks."
Virtualization Protection
-
[ABR-425998] The "Not enough RAM" alert is triggered after updating the protection agent on an ESXi VA to version 26.3 42183, and the virtual appliance might crash.
A part of Acronis Cyber Protect Cloud 26.03 Hotfix 1
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Enhancements
- Added support for AI-assisted post-session analysis and summarization for remote desktop sessions to help identify issues with remote device health and performance and generate recommendations for optimizing workflows.
Fixed issues
Data loss prevention
- [DEVLOCK-7100] Internal errors occur after restarting the DLP service on protected workloads.
Installation and upgrade
- [ABR-423782] Agent version 26.03.42183. does not support installation and upgrade on Windows XP.
Platform
-
[KERNEL-19425], [KERNEL-20751] Multiple devices are showing the alert "Cyber Protection (or Active Protection) service is not responding."
A part of Acronis Cyber Protect Cloud 26.03
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Fixed issues
Security
For information about security issues fixed in this release, please refer to https://security-advisory.acronis.com/UPD-2603-15d3-c1f9.
Active Protection
- [AMP-42634] Adobe applications crashed when the Antimalware Protection module was enabled. This issue is now resolved.
- [AMP-42698] Running a full malware scan caused the machine to become unresponsive or freeze. This issue is now resolved.
- [KERNEL-19999] On some Windows machines, an alert was displayed stating that real-time protection and scheduled scans were not available because a driver was incompatible or missing. This issue is now resolved.
Cyber Protection agent
- [ADP-39196] On some Windows machines, the hardware inventory data was not collected or displayed. This issue is now resolved.
- [ADP-40673] The automatic updates of Agent for Linux might fail. This issue is now resolved.
- [ADP-44685] When a backup plan was already running at the time patch management triggered a pre-update backup, the backup plan ran multiple times. This issue is now resolved.
- [ADP-49219] After patches were installed with the 'Always restart' option, the restart countdown was displayed, but the device did not restart automatically. This issue is now resolved.
- [PLTFRM-87538] Backups fail with the error "An internal error occurred while connecting to process." This issue is now resolved.
Microsoft 365 protection
- [ABR-410953] When removing a Microsoft 365 subscription failed, the organization became stuck in the 'pausing' state. This issue is now resolved.
- [ABR-417740] When all email archives were deleted, the archiving storage usage was not updated to zero in the Management Portal. The storage usage is now correctly reported.
Known issues
Installation and upgrade
- [ABR-423782] Agent version 26.03.42183. does not support installation and upgrade on Windows XP. This issue will be fixed in the upcoming hotfix release.
A part of Acronis Cyber Protect Cloud 26.02 Hotfix 1
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Fixed issues
Agent
- [PLTFRM-87538] Backups fail with the error "An internal error occurred while connecting to process."
Recovery
- [ABR-420077] There is no warning message that if a Wi-Fi network is used for recovery, the recovery might fail.
Hosting control panel integrations
- [CI-33308] The error "Failed to mount the recovery point" occurs when browsing backups of CloudLinux 7.9 in cPanel Control Panel.
A part of Acronis Cyber Protect Cloud 26.02
Overview
With this update, the Acronis flagship cloud product offers enhancements and addresses issues found in previous releases.
Data center availability
This version of the Acronis Cyber Protection agent is being deployed on all data centers.
The agent will become available in the next couple of days.
Fixed issues
Agent
- [ABR-413192] Restore points in backups appear empty even though they actually contain data.
- [ABR-414277] Pre-update backups could start even if another backup is already in progress.
- [ABR-415285] Agent updates fail with the error "Fatal error during installation."
- [ABR-417243] Unable to install agent for HyperV on Windows 2008R2.
- [ADP-46062] Vulnerability assessment and patch management do not display the 64-bit installer for Adobe Acrobat DC versions 24.x.
- [DRAAS-36057] Windows 2022 workloads cannot start up properly after failback on ESX servers.
- [PLTFRM-85451] Protected machines remain offline in the Cyber Protect Cloud console although they have been powered on.
Common
- [ABR-413028] Scheduled backups do not start as expected.
- [ADP-47179] The Software Inventory list in device properties does not display all installed software applications.
- [PLTFRM-86718] Agent update settings are not properly displayed in the Cyber Protect Cloud console.
Management Portal
- [PLTFRM-85933] Moving a tenant to another parent tenant fails with the error "Offering item not available."
Recovery
- [ABR-418392] The Flavor selector is not visible in the virtual machine restore wizard.
- [ABR-412784] Recovery points are missing in the recovery console.
You can find information about earlier agent versions at the following locations.
- Agent versions released as part of Acronis Cyber Cloud releases in 2025
- Agent versions released as part of Acronis Cyber Cloud releases in 2024
- Agent versions released as part of Acronis Cyber Cloud releases in 2023
- Agent versions released as part of Acronis Cyber Cloud releases in 2022
- Agent versions released as part of Acronis Cyber Cloud releases in 2021
- Agent versions released as part of Acronis Cyber Cloud releases in 2020
- Agent versions released as part of Acronis Cyber Cloud 9.x releases
- Agent versions released as part of Acronis Cyber Cloud 8.x releases
- Agent versions released as part of Acronis Cyber Cloud 7.x and Acronis Data Cloud 7.x releases