Acronis Cyber Protect 15

All articles related to Acronis Cyber Protect 15.

User guide
Command-Line Reference

FAQs & Hot Topics

Acronis Cyber Protect 15: Impossible to run or apply backup plan after update to Build 28405: "The protection plan cannot be applied or updated as the device has no license"
Acronis Cyber Protect 15: "License usage" tab is missing in Cloud console
Acronis Cyber Protect Home Office and Acronis Cyber Protect: required security updates for Windows 7
Acronis Cyber Protect 15 Update 3: Perpetual licenses are not visible in console after Management Server registration
Acronis Cyber Protect 15: Licenses disappear from on-premise Management Server after re-registration
Acronis Cyber Protect 15 Update 3: Virtual host license cannot be assigned to both host and virtual machines
Acronis Cyber Protect 15: FAQ
List of support options for Acronis products

Security Updates

Acronis Products: the latest security patches

Licensing, Requirements, Features & More

How to download Acronis bootable media ISO
Firewall settings for Acronis products
Acronis Cyber Protect Cloud: access ports and hostnames
Antimalware detection test files and URLs
How to find the serial number of your Acronis product
Acronis Cyber Protect 15: licensing and upgrade/downgrade FAQ
Windows 11 support in Acronis products
Acronis Cloud security and privacy
Trial version limitations of Acronis products
Acronis Cyber Protect: Storage Spaces Direct (S2D) support
Acronis Products: Windows Server 2012 support
Third-party software used in Acronis Cyber Protect 15
EFI-based operating systems support in Acronis products
How to check whether your license is perpetual or subscription
Acronis Cyber Protect 15: Linux components, services, and processes
Ext4 Support in Acronis Products
vCloud Air support
Acronis Cyber Backup, Acronis Cyber Protect: tape size is smaller than the declared tape capacity
Acronis Cyber Protect: How to set up exclusion settings if processes have no exact path
Acronis Cyber Protect: Linux kernel 5.9+ support
Acronis Cyber Protect 15: backing up HCL Notes
Acronis Cyber Protect 15 licensing
Acronis Cyber Protect Home Office and Acronis Cyber Protect: required security updates for Windows 7
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: additional tape is required for retention rules to work if one backup per tape is used
Acronis Software: exclude program folders and executables from antivirus and other security programs
Acronis Cyber Protect: Backup Files/Folders are missing when browsing from Backup Console
Difference between Acronis Cyber Protect 15 and Acronis Cyber Backup 12.5
Acronis Cyber Protect, Acronis Cyber Backup: is my Linux distribution supported?
Acronis Cyber Protect 15: Unable to send email notifications if Microsoft 365 is used as an E-mail server
Windows 10 support in Acronis products
How to activate boxed versions of Acronis products
Acronis Cyber Protect 15: Monitoring - Activities list and features
Windows activation required after restore with Acronis Universal Restore, cloning or converting backup to virtual machine
Acronis Cyber Protect: Microsoft Out-of-Band (OOB) updates not offered for installation in Patch Management
Windows 8 support in Acronis products
Acronis Cyber Protect: is Acronis Secure Zone included in Entire Machine backup?
Backup archive compatibility across different product versions
Available languages of Acronis products
Difference between Acronis Cyber Protect 15 and Acronis Cyber Protect Home Office
Receiving Upgrade Licenses for Acronis Business Products
USB 3.0 support in Acronis products
Installing Acronis Cyber Protect 15 and Acronis Snap Deploy 6 on the same machine
Acronis Cyber Protect, Acronis Cyber Backup: agent-based and agentless backup of virtual machines
Acronis Cyber Protect Advanced, Acronis Cyber Backup Advanced: Acronis Hardware Compatibility Tool for tape devices
Acronis Bootable Media displays wrong drive letters
Acronis Products: the latest security patches
Difference between Acronis Cyber Protect 15 and Acronis True Image 2021
Acronis Software: free VMware ESXi support
Acronis Cyber Protect 15: How to activate free Cloud storage per Workload
Acronis Cloud Storage: list of supported countries

How-tos

How to download Acronis bootable media ISO
How to find the serial number of your Acronis product
Acronis Cyber Backup 12.5 and Acronis Cyber Protect 15: how to collect system information
Acronis Cyber Protect 15: How to activate Management Server with a large number of licenses
Acronis Cyber Protect 15: Data from mounted folders is not included in a backup
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: how to manually add a machine to management server
Acronis Cyber Protect 15: How to deploy and update Agent for VMware (Virtual Appliance)
Acronis Cyber Protect 15: How to perform remote installation of agents in environments with Linux-based Acronis Management Server
Upgrade to Acronis Cyber Protect 15
Acronis Cyber Protect 15: how to assign Virtual Host license when installing agents inside guest OS of virtual machines
Acronis Cyber Protect 15: How to change the default port for Acronis Management Server
Acronis Cyber Protect: how to change the number of snapshots for Scale Computing HC3 VM
Acronis Cyber Protect: how to add new administrator account to Acronis Cyber Protect appliance
Changing Keyboard Language in Acronis Bootable Media
Acronis Cyber Protect: How to configure static routes for Virtual Appliance
How to turn off the automatic renewal of a subscription
How to activate boxed versions of Acronis products
How to enlarge the root file system of a Virtual Appliance
Acronis Cyber Protect: how to change keyboard layout in Virtual Appliance
Acronis Cyber Backup, Acronis Cyber Protect: Pre-backup tape inventory
Acronis Cyber Protect, Acronis Cyber Backup: How to change log rotation settings
Receiving Upgrade Licenses for Acronis Business Products
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Restoring to Dissimilar Hardware with Universal Restore
Acronis Cyber Protect: Microsoft 365 application permissions
Acronis Cyber Protect 15: How to download a free upgrade
Viewing Build Number in Acronis Products
Acronis Cyber Protect: How to increase Cloud Storage quota
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: How to configure static IP on Acronis Cyber Backup Appliance
Acronis Cyber Backup: P2V and V2P migration of machines with LVM
Acronis Cyber Backup 15, Acronis Cyber Backup 12.5: how to manually re-add a storage node to management server
Acronis Cyber Backup 12.5, Acronis Cyber Protect 15: how to create a bootable media
Acronis Cyber Protect Home Office, Acronis Cyber Protect 15: How to change Acronis Startup Recovery Manager delay time and key
Acronis Cyber Protect 15: how to export and import protection plans
Acronis Cyber Protect: how to set up shutdown after backup
Acronis Cyber Protect, Acronis Cyber Backup: updating to the latest build
Acronis Cyber Protect: how to increase quota or extend your subscription
Acronis Cyber Backup: How to create or update Acronis Bootable Media with closed-source kernel modules
Acronis Cyber Protect, Acronis Cyber Backup: how to set up Gmail as Email server
Acronis Cyber Backup: Backing up IBM Lotus Domino Server
Acronis Cyber Protect 15: How to update Acronis Virtual Appliance for Scale/Agent for Scale Computing HC3
Acronis Cyber Backup, Acronis Cyber Protect: tape erase operation fails with "The parameter is incorrect" error
Acronis Cyber Protect, Acronis Cyber Backup: Changing Temp Files and Folder Location
Acronis Cyber Backup, Acronis Cyber Protect: How to change credentials for managed location on network share
Acronis Cyber Protect: Migrating Machines to Amazon EC2 and Microsoft Azure
Acronis Cyber Protect, Acronis Cyber Backup: How to back up domain controller
Acronis Cyber Protect, Acronis Cyber Backup: How to change MMScurrentMachineID and InstanceID
Acronis Cyber Backup: Managing Throttling Policies When Working with Exchange
Business Products: how to check if your support program is valid
Acronis Cyber Protect15, Acronis Cyber Backup 12.5: how to back up with bootable media
Acronis Cyber Protect: backing up a NAS

Technical Questions & Known Solutions - Installation, Update

Acronis Software: Installation fails with "MainEngineThread is returning 1603" or "MainEngineThread is returning 1618"
Acronis Protect 15, Acronis Cyber Backup 12.5: Error "No connection to the update server" during Check for updates
Acronis Cyber Protect: Agent installation on a Domain controller fails with the error: "Failed to get SID of group '....."
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15: Agent installation fails with "Windows cannot verify the digital signature for this file"
Acronis Cyber Protect: Remote installation fails with error "An unknown error occurred trying to verify the signature of the file"
Acronis Cyber Protect: Local update fails with error "The installation failed" in wizard, bootstrapper.log is 0KB
Acronis Cyber Protect: Installation in Linux finishes with "Failed to build the SnapAPI kernel module"
Acronis Cyber Protect, Acronis Cyber Backup: Warning "The KB940349 update is not installed on this machine" during agent installation on Windows Server 2003
Acronis Cyber Protect: Remote installation of agent fails with error „HTTP 402“
Acronis Cyber Protect 15: Acronis Cyber Protect Setup has failed to build the kernel modules in "/var/log/trueimage-setup.log" generating the error "Could not locate dkms.conf file"
Acronis Cyber Protect 15 Build 27009: remote installation fails with "Failed to verify the security certificate of the file"
Acronis Cyber Protect: Agent installation fails with "Failed to add user. A null reference pointer was passed to the stub"
Acronis Cyber Backup, Acronis Cyber Protect: Hyper-V role is not recognized on a machine
Acronis Cyber Protect: Issues when using backup agents newer than 15.0.26321(C21.01 HF1) on OSes related to Windows 7, when the SHA-2 code signing support patch/update from Microsoft is not installed
Acronis Cyber Protect 15: Agent installation on 32-bit machine fails with "Failed to download installation file 'resource.xml' from the server."
Acronis Cyber Backup, Acronis Cyber Protect: Installation on Debian Fails with "Cannot execute binary file"
Acronis Cyber Protect 15 remote installation of the Acronis Agent on the Domain Controller fails with error: "The operation has failed with result '1603'"
Acronis Products: Installation Fails with "An error occurred during the installation of assembly" "Microsoft.VC80.CRT,publicKeyToken"
Acronis Cyber Protect, Acronis Cyber Backup: device does not appear in backup management console after installation
Acronis Cyber Protect, Acronis Cyber Backup: remote installation on Windows OS Domain Controller fails with error "The operation has failed with result '1603'"
Acronis Software: Installation fails with "The Windows Installer Service could not be accessed"
Acronis Cyber Backup: installation on ARM-powered PC fails with "This app can't run on your PC"
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15: Agent update fails with "Folder C:\ProgramData\Acronis\ is created by non-administrator"
Acronis Cyber Protect 15: Acronis Agent installation sails with: "Failed to connect to machine '..'. HTTP status code: 402"
Acronis Cyber Protect 15: Deployment of Agent for Scale Computing HC3 fails with "Failed to download the virtual appliance. Check the internet connection on host or download the file."
Acronis Cyber Protect: Snapapi fails to build on CloudLinux 7 with a hybrid kernel
Acronis Cyber Protect 15: Attempt to deploy Virtual Appliance for Scale into the Scale Cluster fails with: "msg": "Failed to import Scale VM: Failed to import scale vir domain: EValidationError
Acronis Cyber Protect Cloud, Acronis Cyber Protect: "More than one Agent for Hyper-V is selected. Simultaneous update of multiple Agents for Hyper-V is not possible" error when attempting to update several Hyper-V agents at the same time
Acronis Cyber Protect: How to change default port of mms.exe process (Acronis Managed Machine service)
Acronis Cyber Protect: Agent installation on a Domain controller fails with the error: "The trust relationship between the primary domain and the trusted domain failed."
Acronis Cyber Protect: How to Fix "Certificates Not Installed" Error on the Acronis Installer on Windows XP
Acronis Cyber Protect 15: Remote installation on Windows XP 32-bit machine fails with "Failed to launch remote installation support service"
Acronis Cyber Protect: Execution of the .exe installation file must be explicitly allowed due to security settings

Technical Questions & Known Solutions - Licenses and Quotas

Acronis Cyber Protect 15: How to activate Management Server with a large number of licenses
Acronis Cyber Protect 15: Impossible to run or apply backup plan after update to Build 28405: "The protection plan cannot be applied or updated as the device has no license"
Acronis Cyber Protect 15: impossible to assign a license for Windows Server Essentials to a machine with Windows Server 2022 Essentials
Acronis Cyber Protect 15: "Download the registration file" button does not work in Internet Explorer 11
Acronis Cyber Protect 15: perpetual licenses are not moved to new account in cloud console
Acronis Cyber Protect 15: Impossible to run or apply backup plan to local destination after update to Build 28503: "The protection plan cannot be applied or updated as the device has no license"
Acronis Cyber Protect 15: Perpetual licenses disappear from console or AMS activation fails with "Login failed. Make sure that your account exists, and credentials are correct." after update to U3
Acronis Cyber Protect 15: "License usage" tab is missing in Cloud console
Acronis Cyber Protect 15: impossible to assign or revoke licenses
Acronis Cyber Protect 15 Update 3: ASign feature is not available in on-premises installation
Acronis Cyber Protect 15 Update 3: Perpetual licenses are not visible in console after Management Server registration
Acronis Cyber Protect 15: Alert "This management server has been offline for X days. Fix the Internet connection issue and ensure that your license is up to date" appears after updating to Build 28035 or later
Acronis Cyber Protect 15: "Maintenance expired" is shown for Acronis Cyber Protect - Backup Standard or Backup Advanced licenses
Acronis Cyber Protect Cloud: Hyper-V VMs are recognized as physical and can't be protected with Virtual machine quotas
Acronis Cyber Protect 15: Management Server activation fails with "An error occurred during registration" if 2FA is enabled
Acronis Cyber Protect 15: License key management
Acronis Cyber Protect 15: Impossible to unregister Management Server after reinstallation or unallocate licenses from it
Acronis Business Products: License is not accepted
Acronis Cyber Protect 15 Update 3: Virtual host license cannot be assigned to both host and virtual machines
Acronis Cyber Protect 15: Management Server activation fails with "Registration file is already in use" although the Management Server has never been registered in Cloud
Acronis Cyber Protect 15: registering Management Server fails with "Management server blocked" after offline unregistration
Acronis Cyber Protect 15: Licenses disappear from on-premise Management Server after re-registration
Acronis Cyber Protect: Alert "Protection plan has been revoked from device due to a licensing issue"
Acronis Cyber Protect: "Storage quota exceeded" alert and how to free up space in cloud storage
Acronis Cyber Protect 15: Virtual Host license assigned to virtual machine in "License usage"
Acronis Cyber Protect 15: management server activation fails with "Login failed" while the same credentials are accepted by Acronis Account
Acronis Cyber Protect 15: impossible to assign license to virtual hosts in cluster
Acronis Cyber Protect 15: Cannot assign license to machines with Agent for Windows XP SP2

Technical Questions & Known Solutions - Agent Registration

Acronis Cyber Protect: registering Virtual Appliance fails with "The registration in service 'https://cloud.acronis.com' has failed"
Acronis Cyber Protect 15: "Download the registration file" button does not work in Internet Explorer 11
Acronis Cyber Protect Cloud: Agent registration fails with "Client with same ID is already created" or "Agent is already registered. Please, deregister Agent in Cyber Protection console"
Acronis Cyber Protect 15: Management Server activation fails with "An error occurred during registration" if 2FA is enabled
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15: MMS service cannot be started, error "error 0x30002: CannotBind"
Acronis Cyber Protect 15: Getting offline unregistration confirmation file hangs
Acronis Cyber Protect, Acronis Cyber Backup: Registration on Management Server fails if network card is disconnected
Acronis Cyber Protect 15: registering Management Server fails with "Management server blocked" after offline unregistration
Acronis Cyber Protect 15: Management Server activation fails with "Registration file is already in use" although the Management Server has never been registered in Cloud
Acronis Cyber Protect, Acronis Cyber Backup: Agent registration fails with "503 service unavailable" if http_proxy environment variable exists
Acronis Cyber Protect 15: Acronis Agent installation sails with: "Failed to connect to machine '..'. HTTP status code: 402"
Acronis Cyber Protect: How to change default port of mms.exe process (Acronis Managed Machine service)
Acronis Cyber Protect: Agent registration fails with "Access denied"

Technical Questions & Known Solutions - Backup

Troubleshooting Issues with Corrupt Backups
Acronis Cyber Protect: Cloud backup failures on US DCs
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15: Cloud Backups Fail with “[Archive Server]: storage request timeout” on EU DC
Acronis Cyber Protect Cloud, Acronis Cyber Backup: backup fails with "VSS writer 'SqlServerWriter' has failed during the snapshot creation"
Acronis Cyber Protect, Acronis Cyber Backup: Backup of a Linux machine fails with "The SnapAPI kernel module is not loaded for the kernel currently running on the system"
Acronis Cyber Protect: Agentless backup of Hyper-V machines fails if virtual machines are stored on Microsoft`s Storage Spaces Direct (S2D)
Acronis Cyber Protect Cloud, Acronis Cyber Backup: operation fails with "data is corrupted: CRC mismatch or internal data structures mismatch" or "The archive is corrupted"
Acronis Cyber Protect: disk backup fails with "Internal error: different hash after rebackup"
Acronis Cyber Protect: Backup of Linux machine fails with "Common I/O error" if partition table is damaged
Acronis Cyber Protect: Backup fails with "Failed to create snapshot" on RHEL 8.4, CentOS 8.4 and AlmaLinux 8.4
Acronis Cyber Protect: Continuous Data Protection (CDP) fails with "Driver not initialized" after Agent update
Acronis Cyber Protect 15: Backup to Acronis Cloud fails with "The request failed: Status 503"
Acronis Cyber Protect: Hyper-V VM backup fails with "Unexpected call result. Error code 32768"
Acronis Cyber Protect: Entire machine backup fails with "ASYNC: Full barrier action job"
Acronis Cyber Protect: Backup of files with special symbols on Linux fails with "Operating system error: Invalid argument"
Acronis Cyber Protect 15, Cyber Backup 12.5: Backup to tape fails with "The storage media is write protected" if tape is LTFS-formatted
Acronis Cyber Protect: C2C backup fails with an error "The request has been throttled"
Acronis Cyber Protect: Single-Pass Backup of MS SharePoint Server Fails with "Database is already open and can only have one user at a time"
Acronis Cyber Protect: Backup and other operations with Microsoft 365 items fail with "NET exception 'System.Net.WebException' has occurred"
Acronis Cyber Protect Cloud: Cloud backups fail on EU2 DC
Acronis Cyber Protect 15: “Cloud storage is disabled” and “You do not have an active cloud subscription” errors
Acronis Cyber Protect: Not possible to select "All users" groups when creating a C2C backup plan
Acronis Cyber Protect: Linux kernel 5.9+ support
Acronis Cyber Protect: Issues when using backup agents newer than 15.0.26321(C21.01 HF1) on OSes related to Windows 7, when the SHA-2 code signing support patch/update from Microsoft is not installed
Acronis Cyber Protect: Application-aware backup of a VM ends with a warning "The credentials are incorrect."
Acronis Cyber Protect: backup fails with "Network disconnected", "The network path was not found" or "Cannot connect to the machine where network share is located"
Acronis Cyber Protect: Backup Fails with "There is not enough space on the volume where the snapshot storage is located"
Acronis Cyber Protect, Acronis Cyber Backup: File backup fails with "Incorrect function"
Acronis Cyber Protect: Troubleshooting Hyper-V snapshot issues
Acronis Cyber Protect, Acronis Cyber Backup: Operation fails with "Windows error: (0x8007051F) There are currently no logon servers available to service the logon request"
Acronis Cyber Protect: CDP backup does not run on DFS replicated folders
Acronis Backup: Corrupted MFT, Run List, Block Bitmap or Index forces Sector-by-Sector backup mode
Acronis Cyber Backup Software: "Failed to create volume snapshot"
Acronis Cyber Protect: operation fails with "The activity has failed due to a planned restart of the operating system"
Acronis Cyber Protect: Backup finishes with warnings "Volume Tracker has failed to freeze checkpoint. A device attached to the system is not functioning" in build 26437 and later
Acronis Cyber Protect 15: Backups of Microsoft 365 resources fail with "Quota is reached" since October 2021
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "A device attached to the system is not functioning"
Acronis Cyber Backup: backup fails with "VSS writer has timed out" or "The backup has failed because 'VSS Writer' has timed out during snapshot creation."
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "The device is not ready"
Acronis Cyber Protect: Backup to Synology NAS with DSM 7.0-41890 fails with "The credentials for location are not specified"
Acronis Cyber Backup: Operation fails with "Failed to lock the file"
Acronis Cyber Protect: Backup fails with "The request could not be performed because of an I/O device error"
Acronis Virtualization: Backup of Virtual Machine Fails with "Failed to open the virtual machine"
Acronis Cyber Protect: backup to Acronis Cloud storage fails with "Network connection failed due to timeout."
Acronis Cyber Protect: Application-aware backup of machine with Exchange fails with "Windows error: (0x80131501) Exception has been thrown by the target of an invocation"
Acronis Cyber Protect, Acronis Cyber Backup: Operation fails with "Windows error: (0x80070299) The requested operation could not be completed due to a file system limitation" or "Cannot write data to file <path> due to a file system limitation"
Acronis Cyber Protect, Acronis Cyber Backup: Backup performed by Virtual Appliance fails with "The activity has failed due to an unexpected machine reboot or the backup process was terminated"
Acronis Cyber Protect, Acronis Cyber Backup: Backup Fails with "Logon failure: unknown user name or bad password"
Acronis Cyber Backup: Troubleshooting vSphere Snapshot Issues
Acronis Cyber Protect 15: Backup fails with "Not enough memory" or logs occupy free space on Acronis Management Server

Technical Questions & Known Solutions - Restore

Acronis Backup Software: BSoD after Restore to New Hardware with "Stop 0x0000007B" Due to Missing Drivers
Acronis Cyber Protect 15 Update 3: ASign feature is not available in on-premises installation
Acronis Cyber Protect, Acronis Cyber Backup: Original location unavailable during file-level recovery on Linux from a volume with a label
Acronis Cyber Protect 15: Recovery with Bootable Media fails to disk that was converted from MBR to GPT
Acronis Cyber Protect 15: Cumulative and driver updates not working after restoring VMware virtual machine backup to Scale
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Impossible to recover files to the original VM in case of agentless backup
Acronis Cyber Protect, Acronis Cyber Backup: Operation fails with "Windows error: (0x8007051F) There are currently no logon servers available to service the logon request"
Acronis Cyber Protect 15: boot order of a recovered VMware VM cannot be modified
Acronis Cyber Backup: Recovery of an Exchange database fails with "It is not allowed to overwrite database during recovery"
Acronis Cyber Backup, Acronis Cyber Protect: Activity fails with "Windows error: (0x800704C8) The requested operation cannot be performed on a file with a user-mapped section open"
Acronis Cyber Protect, Acronis Cyber Backup: How to Restore Files and Folders from Cloud (Web Restore)
Acronis Cyber Protect, Acronis Cyber Backup: Recovery to Gen2 Azure VM stuck on 15%
Acronis Cyber Protect: "Activity 'Refreshing recovery points' failed. The credentials for location are not specified."
Acronis Cyber Protect: recovered machine fails to boot with BSOD c00002e2
Acronis Cyber Protect: Restore fails with "The system cannot find the path specified" if path contains more than 260 symbols
Acronis Cyber Backup: Recovery to a new Hyper-V virtual machine fails with "Cannot recover the volume from the disk backup. There is insufficient free space on the target disk"
Acronis Cyber Protect 15, Acronis Cyber Protect Cloud: "External IDs conflict for >1 credentials objects" when specifying credentials for a shared folder
Acronis Cyber Protect, Acronis Backup for Linux: LVM Structure Cannot Be Partially Restored during Automatic Mapping
Acronis Cyber Protect: Agent inside restored Virtual Machine is automatically disabled
Acronis Cyber Protect: Virtual machine doesn't boot during Instant Restore (Run as VM) if there are dynamic disks: "No bootable devices found"
Acronis Cyber Protect: C2C backup of Microsoft 365 items is slower than expected due to Microsoft throttling

Technical Questions & Known Solutions - Bootable Media

Acronis Bootable Media Does Not Detect HDD, RAID or NIC
Acronis Cyber Protect Cloud, Acronis Cyber Protect: Linux-based bootable media does not support PERC RAID controllers
Acronis Bootable Media does not detect HP Smart Array B110i, B120i, B140i, B320i, S110i
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: Bootable media builder doesn't accept WinPE files by media creation: "The selected folder does not contain the required WinPE files"
Acronis Cyber Protect, Acronis Cyber Backup: Disk management is missing in WinPE media
Acronis Cyber Protect 15: Recovery with Bootable Media fails to disk that was converted from MBR to GPT
Acronis Cyber Protect, Acronis Cyber Backup: macOS backup is not available under bootable media

Technical Questions & Known Solutions - Antimalware Protection

Acronis Cyber Protect: URL filtering does not block website from the blocklist on Google Chrome
Acronis Cyber Protect Home Office, Acronis Cyber Protect: How to report False Positive and False Negative cases
Acronis Cyber Backup: "Suspicious activity is detected" alert
Acronis Cyber Protect: Threat feed details are not loading

Technical Questions & Known Solutions - Vulnerability Assessment and Patch Management

Acronis Cyber Protect: Vulnerability scan finishes with "Vulnerability Assessment has failed due to error in Windows Updates"
Acronis Cyber Protect: Vulnerability assessment or patch management finishes with "Windows Update Agent returned an error 0x80072efd"

Technical Questions & Known Solutions - Other Issues

Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: Troubleshooting login to web console issues
Using OpenSSL to troubleshoot connection issues caused by firewalls and DPI software
Acronis Cyber Protect 15: Login to Cyber Protect Console fails because Acronis Management Server Service and ZeroMQ Gateway Service are not getting started
Acronis Cyber Protect 15: Acronis Agent Core Service fails to start due to corrupted configuration files
Spotting and fixing hardware I/O errors (disk errors) on Linux
Acronis Cyber Protect: Backup and other operations fail with "Request to cloud storage ':80/api/1/rpc/' has failed"
Acronis Cyber Protect: Backup scanning fails with "cause": "Failed to scan volume. Some error in AV scan callback"
Acronis Cyber Protect: Difference between Bytes saved and Bytes processed in backup activities
Acronis Cyber Backup: Activity fails with "The process cannot access the file because it is being used by another process" and "Failed to lock the file because it is opened in another program"
Acronis Cyber Protect: troubleshooting performance issues in Microsoft Office software when Agent is installed
Acronis Cyber Backup, Acronis Cyber Protect: tape size is smaller than the declared tape capacity
Acronis Cyber Protect Cloud: Backup deletion fails with "You try to delete an already deleted archive. Probably list of archives is outdated. Press refresh vault to get the actual archive list"
Acronis Cyber Protect 15: Slow loading of recovery points under Devices - Recovery
Acronis Software: Troubleshooting Application Crashes
Acronis Cyber Protect: Backup to Acronis Cloud fails with "Access to Cloud storage is denied", "Request to cloud storage has failed with code 504", and "The request failed: Status 503"
Acronis Cyber Protect: applying protection plan fails with "Protection plan conflict detected"
Acronis Cyber Protect 15: Getting offline unregistration confirmation file hangs
Acronis Cyber Protect 15: Name column is not expandable
Acronis Cyber Protect Cloud: After selecting the location "Temporary registration: do not enable for any tenants", Disaster Recovery and other services are not available.
Acronis Cyber Protect, Acronis Cyber Backup: VM replication is stuck at 100%
Acronis Cyber Protect: non-existing backup plans are still running on workloads after C22.04 release
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: additional tape is required for retention rules to work if one backup per tape is used
Acronis Cyber Protect: Cloud storage usage doesn't update in Management portal
Acronis Cyber Protect, Acronis Cyber Backup: SnapAPI issues on Linux with kernel 5.8
Acronis Cyber Protect: Backups are not available after deleting the location and re-adding it in Management Portal
Acronis Cyber Protect, Acronis Cyber Backup: Operation fails with "Windows error: (0x8007051F) There are currently no logon servers available to service the logon request"
Acronis Cyber Protect 15: Management Server activation fails with "Registration file is already in use" although the Management Server has never been registered in Cloud
Acronis Cyber Protect: Alert "Protection plan has been revoked from device due to a licensing issue"
Acronis Cyber Backup: P2V and V2P migration of machines with LVM
Acronis Cyber Protect: Attempt to remove backup or recover files fails with "The machine is offline or is not available"
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15: Cyber Protection Monitor is started for each user session on Windows machine with multiple user accounts and Agent installed and causes resources overuse
Acronis Cyber Protect 15: Off-host data processing plans fail with timeout error if several backups/locations are selected
Acronis Cyber Protect, Acronis Cyber Backup: Installation of third-party Antivirus fails if Acronis Agent is installed
Acronis Cyber Protect: Acronis services are not running or connection to Acronis Agent fails with "Failed to establish local connection"
Acronis Cyber Protect Cloud: cloned machine is not listed in Devices
Acronis Cyber Backup, Acronis Cyber Protect: tape erase operation fails with "The parameter is incorrect" error
Acronis Cyber Protect, Acronis Cyber Backup: how to delete incomplete backups from Cloud Storage
Acronis Cyber Protect: how to fix corrupted archives in network locations
Acronis Software: Troubleshooting application lockups
Acronis Cyber Protect: Cyber Protection Monitor shows "Protection plan not applied" status when protection plan without backup is applied to device
Acronis Backup: Troubleshooting Pre/Post Commands Issues
Acronis Cyber Protect: The confirmation window is not displayed on the agent machine when you try to connect to a mac device
Acronis Cyber Protect: C2C backup archive size is larger than expected
Acronis Cyber Protect 15: Unable to add any Active Directory user to Accounts
Acronis Cyber Protect Cloud: Unable to install LogMeIn / Bitdefender AV after Agent update to 12.5.22210 and higher
Acronis Cyber Protect: Many "Running smart recommended actions" activities in pending or failed state
Acronis Cyber Protect 15: Tape pools are missing after update to builds 26981 and 27009
Acronis Cyber Protect Cloud, Acronis Cyber Backup: incorrect cloud storage usage
Acronis Cyber Protect: Activities of refreshing or deleting C2C backups are getting stuck in Pending state
Acronis Cyber Protect 15: Multiple 'Cyber Protection (or Active Protection) service is not responding' alerts after reboot

Troubleshooting

Acronis Cyber Protect Cloud: access ports and hostnames
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15 and Acronis Cyber Backup 12.5: Connection Verification Tool
Acronis Cyber Protect, Acronis Cyber Backup: Cleanup Utility
Acronis Cyber Backup 12.5 and Acronis Cyber Protect 15: how to collect system information
Acronis Cyber Protect: VSS writer has failed to process the snapshot
Acronis Cyber Protect 15, Acronis Cyber Protect Cloud: Activity fails with "DNS hostname resolution error"
Acronis Cyber Protect: troubleshooting performance issues in Microsoft Office software when Agent is installed
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: how to manually add a machine to management server
Acronis Cyber Backup: Enabling debug logs for scheduler on Virtual Appliance
Acronis Cyber Protect, Acronis Cyber Backup: Operation fails with "Windows error: (0x8007051F) There are currently no logon servers available to service the logon request"
Acronis Cyber Protect: Backup of VMware ESXi VMs fails with "Failed to authenticate with the guest operating system using the supplied credentials"
Acronis cloud certificate location
Linux System Report
Acronis Cyber Protect 15: Acronis Agent installation sails with: "Failed to connect to machine '..'. HTTP status code: 402"
Acronis Cyber Protect, Acronis Cyber Backup: Changing Temp Files and Folder Location
Acronis Cyber Protect 15: management server activation fails with "Login failed" while the same credentials are accepted by Acronis Account
Tape Detection Tools
Acronis Cyber Protect: Snapapi fails to build on CloudLinux 7 with a hybrid kernel
Acronis Cyber Protect Cloud, Acronis Cyber Protect: Collecting VMware VDDK Logs
Acronis Cyber Protect: Troubleshooting failing "Updating Cyber Protect definitions" activities
Acronis Cyber Protect: C2C backup of Microsoft 365 items is slower than expected due to Microsoft throttling
Acronis Cyber Protect 15: Windows services and processes