Acronis Cyber Backup 12.5

All articles related to Acronis Cyber Backup 12.5 Standard and Advanced.

User guide
Command-Line Reference

FAQs & Hot Topics

Upgrade to Acronis Cyber Backup 12.5 Standard
Upgrade to Acronis Cyber Backup 12.5 Advanced
Acronis Active Protection: Frequently Asked Questions
Acronis Cyber Backup 12.5: FAQ
List of support options for Acronis products
Acronis Cyber Backup 12.5: licensing and upgrade/downgrade FAQ
Acronis Cyber Backup 12.5: how to download a free upgrade

Security Updates

Acronis Products: the latest security patches

Licensing, Requirements, Features & More

How to download Acronis bootable media ISO
Firewall settings for Acronis products
Backup archive compatibility across different product versions
Acronis Cyber Protect Cloud: access ports and hostnames
Acronis Software: exclude program folders and executables from antivirus and other security programs
How to find the serial number of your Acronis product
Windows 11 support in Acronis products
Acronis Cloud security and privacy
Acronis Cyber Protect Cloud, Acronis Cyber Protect: required managed machine service user rights
Acronis Cyber Protect: Retention rules - how and when they work
Difference between Acronis Cyber Protect 15 and Acronis Cyber Backup 12.5
Acronis Cloud Storage: list of supported countries
How to check whether your license is perpetual or subscription
Acronis software: Windows mapped network drives are not supported
Acronis Bootable Media displays wrong drive letters
Acronis Cyber Protect: KVM support
Acronis Cyber Protect Advanced, Acronis Cyber Backup Advanced: Acronis Hardware Compatibility Tool for tape devices
Acronis Backup Software: 32-Bit UEFI Devices Support Limitation
Archive Compression in Acronis Products
Hybrid drives are not supported in Acronis bootable environment
Acronis Cyber Protect Advanced, Acronis Cyber Backup Advanced: Tape Support
Acronis Universal Restore
Acronis Software: free VMware ESXi support
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: Microsoft 365 protection
Acronis Cyber Protect, Acronis Cyber Backup: ESXi configuration backup
Acronis Cyber Protect, Acronis Cyber Backup: agent-based and agentless backup of virtual machines
Acronis Backup software: NFS shares support
Windows 10 support in Acronis products
Solid state drive support in Acronis products
Acronis Cyber Backup 12.5 upgrade table
Acronis Cyber Backup 12.5 licensing
How to activate boxed versions of Acronis products
Acronis Cyber Backup 12.5: 5GB of Cloud Storage subscription for free
Acronis Products: the latest security patches
Acronis Cyber Backup Advanced: Supported Virtual Tape Libraries
Difference between Acronis Cyber Backup 12.5 Standard, Acronis Cyber Backup 12.5 Advanced and Acronis True Image 2020
Acronis Cyber Protect: compatibility with Windows BitLocker
Windows activation required after restore with Acronis Universal Restore, cloning or converting backup to virtual machine
EFI-based operating systems support in Acronis products
Acronis Cyber Backup 12.5 perpetual license activation (China market)
Acronis Software: Advanced Format Drives Support
Receiving Upgrade Licenses for Acronis Business Products
Acronis Cyber Backup 12.5: Linux components, services, and processes
Difference between Acronis Cyber Backup Advanced 12.5 and Acronis Backup Advanced 11.7
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: SAP HANA backup
Acronis Products: Windows Server 2012 support
Acronis Cyber Protect 15: how compute points are consumed in Disaster Recovery Add-on
Ext4 Support in Acronis Products
Acronis Cyber Protect Cloud, Acronis Cyber Backup: support of Hyper-V clusters
Available languages of Acronis products

How-tos

Upgrade to Acronis Cyber Backup 12.5 Standard
Acronis Cyber Backup 12.5 and 12: unattended installation
Upgrade to Acronis Cyber Backup 12.5 Advanced
How to download Acronis bootable media ISO
Creating the SNAPAPI Module in Acronis Backup Software for Linux
Acronis Backup software: Installation on a Read-Only Domain Controller
Viewing Build Number in Acronis Products
Creating an MS Installer Log of Acronis Software
Acronis Cyber Backup 12.5 and Acronis Cyber Protect 15: how to collect system information
Acronis Cyber Protect, Acronis Cyber Backup: updating to the latest build
How to find the serial number of your Acronis product
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: how to manually add a machine to management server
How to turn off the automatic renewal of a subscription
Acronis Cyber Backup 12.5, Acronis Cyber Protect 15: how to create a bootable media
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Restoring to Dissimilar Hardware with Universal Restore
Acronis Cyber Protect, Acronis Cyber Backup: Changing Temp Files and Folder Location
Changing Keyboard Language in Acronis Bootable Media
Acronis backup software: Using custom SnapAPI Module in Linux
Acronis Cyber Protect: backing up a NAS
Acronis Cyber Backup: How to create or update Acronis Bootable Media with closed-source kernel modules
Acronis Cyber Backup 15, Acronis Cyber Backup 12.5: how to manually re-add a storage node to management server
Acronis Cyber Protect, Acronis Cyber Backup: How to change MMScurrentMachineID and InstanceID
Acronis Cyber Protect: How to increase Cloud Storage quota
Acronis Cyber Protect, Acronis Cyber Backup: How to continue backing up to an existing archive with a new backup plan
Acronis Cyber Protect: how to increase quota or extend your subscription
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backing up to removable devices with regular drive swaps
Acronis Cyber Protect, Acronis Cyber Backup: How to back up domain controller
Acronis Backup 12.5: How to move backups between storage nodes
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: Maintenance
Acronis Cyber Protect, Acronis Cyber Backup: Backing Up MySQL
Acronis Cyber Backup 12.5: Downloading Logs
Acronis Cyber Protect, Acronis Cyber Backup: all or some VMware virtual machines do not appear in the console
Files Sync&Share: getting started
Acronis Cyber Protect15, Acronis Cyber Backup 12.5: how to back up with bootable media
How to activate boxed versions of Acronis products
Acronis Cyber Backup 12.5, Acronis Cyber Protect 15: how to use Physical Data Shipping
Acronis Cyber Backup 12.5: How to change default port of mms.exe process (Acronis Managed Machine service)
Acronis Cyber Backup Advanced: Changing the TapeLocation Folder
Acronis Cyber Backup 12.5: how to manually clean up Activities
Making Acronis Products Compatible with Antivirus Software
Acronis Cyber Backup, Acronis Cyber Protect: How to change credentials for managed location on network share
Acronis Cyber Backup 12.5: how to export and import a backup plan
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: How to clone disk using bootable media
Acronis Cyber Protect, Acronis Cyber Backup: how to set up Gmail as Email server
Acronis Cyber Protect Cloud, Acronis Cyber Backup 12.5: how to disable Cyber Protection Monitor
Acronis Cyber Backup 12.5 and 12: security guidelines
Acronis Cyber Backup 12.5: How to reduce memory allocation for Elasticsearch
Acronis Cyber Backup 12.5: How to disable in-product notifications
Acronis Cyber Protect Cloud, Acronis Cyber Backup: how to restore files from backups of NTFS volumes with Windows native Data Deduplication
Acronis Cyber Protect: how to set up shutdown after backup

Technical Questions & Known Solutions - Installation, Update

Acronis Cyber Backup: Troubleshooting Installation Issues
Acronis backup software: installation fails with "Failed to grant priviledge to user" or "Failed to add user to group 'Backup Operators'"
Acronis Software: Installation fails with "MainEngineThread is returning 1603" or "MainEngineThread is returning 1618"
Acronis Products: Installation Fails with "An error occurred during the installation of assembly" "Microsoft.VC80.CRT,publicKeyToken"
Acronis Products: After uninstalling Acronis product the entry in software list remains.
Acronis business backup solutions and Acronis True Image Cannot Be Installed on the Same Machine
Acronis Cyber Protect: Installation in Linux finishes with "Failed to build the SnapAPI kernel module"
Acronis products: Installation log shows message "Failed to grab execution mutex. System error 258."
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 Cloud, Acronis Cyber Backup: "0x530128 SOAP 1.1 fault: SOAP-ENV:Client" error
Acronis Cyber Backup 12.5: Remote installation of 32-bit Agent from 64-bit Management Server
Acronis Cyber Backup: installation on ARM-powered PC fails with "This app can't run on your PC"
Acronis Cyber Protect, Acronis Cyber Backup: device does not appear in backup management console after installation
Acronis Cyber Backup Advanced: How to Uninstall a Component Remotely on Multiple Machines
Acronis Cyber Backup 12.5: Remote installation of agent fails with error "The context handle does not match any known context handles"
Acronis Cyber Backup: installation fails with "Error 0x176001e: The certificate trust verification of file 'AB64.msi' has failed"
Acronis Cyber Protect: Agent installation on a Domain controller fails with the error: "Failed to get SID of group '....."
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 Cyber Backup 12.5: Remote agent installation fails with "Internal Server Error Code: 100011"
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 Backup 12.5: Management Server update fails with "Create database permission denied"
Acronis Software: Installation fails with "The Windows Installer Service could not be accessed"
Acronis Cyber Backup 12.5: installation fails with "Error 1406"
Acronis Cyber Backup 12.5: installation takes a long time on Windows 8 and Windows Server 2012
Acronis Cyber Backup, Acronis Cyber Protect: Hyper-V role is not recognized on a machine
Acronis Cyber Backup 12.5: remote installation fails with "The semaphore timeout period has expired"
Acronis Cyber Backup: BSoD after Restore to New Hardware with "Stop 0x0000007B" Due to Restricted Installation of Devices
Acronis Cyber Backup 12.5: During local agent update to build 16342 connection to Management Server fails with "Failed to connect to machine. HTTP status code: 500"
Acronis Cyber Protect, Acronis Cyber Backup: remote installation on Windows OS Domain Controller fails with error "The operation has failed with result '1603'"
Acronis Cyber Backup: Installation of Agent for Windows fails with error in MSI log "Failed to add user NNNNN to group 'Backup Operators'."
Acronis Cyber Backup: Installation fails with fatal error if Avast is installed
Acronis Cyber Backup 12.5: SMTP settings are lost after update
Acronis Cyber Protect Cloud, Acronis Cyber Backup: installation fails with "MainEngineThread is returning 1632"
Acronis Cyber Protect: Execution of the .exe installation file must be explicitly allowed due to security settings
Acronis Cyber Backup, Acronis Cyber Protect: Installation on Debian Fails with "Cannot execute binary file"
Acronis Cyber Backup 12.5: mass deployment or update of Agents for Windows fails
Acronis Cyber Backup 12.5: installation fails on Windows Server SBS 2003 or Windows XP
Acronis Cyber Backup 12.5: update to build 8610 or 8650 causes errors during Acronis Management Server start
Acronis Cyber Backup 12.5: remote upgrade on Windows 7 32-bit fails
Acronis Protect 15, Acronis Cyber Backup 12.5: Error "No connection to the update server" during Check for updates
Acronis Cyber Protect Cloud, Acronis Cyber Backup: installation of Agent for SQL fails in Windows Server 2003, if Agent for Windows is already installed
Acronis Cyber Backup 12.5: Acronis Management Server does not start after upgrade from v.11.7
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

Technical Questions & Known Solutions - Licenses and Quotas

Acronis Business Products: License is not accepted
Acronis Cyber Protect: "Storage quota exceeded" alert and how to free up space in cloud storage
"Subscription license will expire soon/expired" alerts
Acronis Cyber Backup: you receive "Quota exceeded" error, but do not use cloud storage
Acronis Cyber Backup 12.5: Troubleshooting license synchronization issues
Acronis Cyber Backup 12.5: Troubleshooting license assignment issues
Acronis Cyber Backup 12.5: Machine loses license if Hyper-V role is enabled
Acronis Backup 12.5: Agent for Hyper-V sporadically loses license on Hyper-V 2019
Acronis Cyber Backup: "Quota almost reached" alert
Acronis Cyber Backup 12.5: License synchronization fails with "sqlite3.IntegrityError: column id is not unique" error in logs
Acronis Cyber Backup 12.5: server subscription license is not valid on virtual host after upgrade from v.11.7

Technical Questions & Known Solutions - Agent Registration

Acronis Cyber Backup: Manual registration fails with "Registration failed because the 'Managed Machine Service' could not be reached on localhost" or "The registration failed because due to a problem on the Management Server" on Linux
Acronis Cyber Backup 12.5: Troubleshooting adding machine to Management Server failures
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Agent registration fails with error "Could not resolve host: localhost; nodename nor servname provided, or not known" on macOS
Acronis Cyber Backup 12.5: adding a 32-bit Windows machine to management server fails with "undefined-bit installer is not found"
Acronis Cyber Backup 12.5: Error “You cannot remotely install the agent on the same machine that performs the remote installation.” when trying to add machine in console
Acronis Cyber Backup 12.5: adding machine to the management server fails with “Socket error 0xE6F03FBB50041815”
Acronis Cyber Protect, Acronis Cyber Backup: Registration on Management Server fails if network card is disconnected
Acronis Cyber Protect, Acronis Cyber Backup: Agent registration fails with "503 service unavailable" if http_proxy environment variable exists
Acronis Cyber Backup Advanced: Adding a Machine to Acronis Management Server Errors Out with "Failed to add machine to the management server"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: manual registration of backup agent fails with “Failed to encrypt data. The system cannot find the file specified”.

Technical Questions & Known Solutions - Backup

Acronis Cyber Protect: Application-aware backup fails with "Failed to get the metadata from the 'VMware Snapshot Provider' extension library" or "VSS metadata is missing or corrupt"
Acronis product fails to back up a VMware virtual machine with "Creating a quiesced snapshot failed" or "An error occurred while quiescing the virtual machine"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: backup fails with 'The shadow copy provider had an unexpected error while trying to process the specified operation'
Acronis Cyber Protect: VSS Troubleshooting Guide
Acronis Cyber Backup: Disk Backup with Acronis VSS Provider Fails on Windows SBS and domain controllers
Acronis Cyber Protect Cloud, Acronis Cyber Backup: backup fails with "VSS writer 'SqlServerWriter' has failed during the snapshot creation"
Troubleshooting Issues with Corrupt Backups
Acronis Cyber Backup: "There hasn't been a successful backup for more than X days" alert
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: Backup Fails with "There is not enough space on the volume where the snapshot storage is located"
Acronis Cyber Backup: backup fails with "The operation has timed out"
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, Acronis Cyber Backup: "The activity has failed due to a restart of the service" or "The activity has failed due to an unexpected machine reboot or the backup process was terminated." error
Acronis Virtualization: Backup of Virtual Machine Fails with "Failed to open the virtual machine"
Acronis Software: Troubleshooting Scheduled Backup Issues
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "A device attached to the system is not functioning"
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 Cloud, Acronis Cyber Backup: backup fails with "CRC error" or "Failed to read the snapshot"
Acronis Backup: Corrupted MFT, Run List, Block Bitmap or Index forces Sector-by-Sector backup mode
Acronis Cyber Protect: Backup Fails with "Cannot back up virtual machines of the ESX/ESXi server because the "vStorage APIs" feature is not installed on the server"
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: Backup fails with "The request could not be performed because of an I/O device error"
Acronis Cyber Protect: Troubleshooting Hyper-V snapshot issues
Acronis Cyber Protect Cloud, Acronis Cyber Backup: backup finishes with warning "Creating a crash-consistent snapshot of virtual machine because the creation of its application-consistent snapshot has failed"
Acronis Cyber Backup: Backup of SQL instance fails with "There are no SQL writers" or "No SQL writers are found in the operating system."
Acronis Cyber Protect: operation fails with "The activity has failed due to a planned restart of the operating system"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "The device is not ready"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "Insufficient system resources exist to complete the requested service"
Acronis Cyber Protect: backup to Acronis Cloud storage fails with "Network connection failed due to timeout."
Acronis Cyber Backup: Backup fails with "Access to the file is denied"
Acronis Cyber Backup: backup fails with "The shadow copy provider had an unexpected error"
Acronis Cyber Backup: virtual machine backup troubleshooting guide
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 Cloud, Acronis Cyber Backup: backup fails with "Failed to establish connection with cloud storage. This may happen due to a blocked port or other network issue."
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "The snapshot creation has failed due to a hardware issue or a conflict with your disk hardware. Windows has reported the following error: The device has a bad block"
Acronis Cyber Backup Software: "Failed to create volume snapshot"
Acronis Cyber Protect: Backup fails with "Windows error: (0x800705B4) This operation returned because the timeout period expired"
Acronis Cyber Backup, Acronis Cyber Protect: Backup archive name shows old machine name after machine was renamed
Acronis Cyber Protect: Attempting to access an encrypted backup archive fails with "The password for the protected backup is incorrect"
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 Backup: Operation fails with "Failed to lock the file"
Acronis Cyber Backup: Backup of SQL databases finishes with warning "Cannot get the file list of Microsoft SQL database"
Acronis Cyber Backup Advanced: Troubleshooting Tape Detection Issues
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "The activity has failed because the machine has been shut down unexpectedly"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "Unknown status"
Acronis Cyber Backup 12.5: full backup is created on the first day of each month with "Weekly full, Daily incremental" scheme
Acronis Cyber Protect Cloud, Acronis Cyber Protect: Backup fails with "Failed to open the backup location. Windows error: (0x80070002) The system cannot find the file specified"
Acronis software: *.OST-file is not backed up
Acronis Cyber Protect Cloud, Acronis Cyber Backup: "Backup plan is canceled" alert or "The operation is canceled by the user" warning
Acronis Cyber Protect Cloud, Acronis Cyber Backup: "The credentials for 'path' are incorrect." or "The user name or password is incorrect"

Technical Questions & Known Solutions - Restore

Acronis Cyber Protect, Acronis Cyber Backup: How to Restore Files and Folders from Cloud (Web Restore)
Acronis Cyber Backup: Troubleshooting Recovery Failures
Acronis Cyber Protect, Acronis Backup for Linux: LVM Structure Cannot Be Partially Restored during Automatic Mapping
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: Operation fails with "Windows error: (0x8007051F) There are currently no logon servers available to service the logon request"
Acronis Cyber Backup 12.5: Recovery to a new virtual machine fails with "Invalid configuration for device '0'"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: VM recovery fails with "The disk configurations of the backed-up machine and the target machine differ"
Acronis Cyber Backup Advanced: Cannot Browse the Mailbox Contents in a Database Backup or Recover Mailbox Items from This Backup to PST Because the Exchange Libraries for ESE are Not Found or Have Another Version
Acronis Cyber Protect Cloud: Recovery of a deleted Microsoft Teams team fails with "Resource does not exist or one of its queried reference-property objects are not present"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: recovery of disks or volumes fails with "Resize error"
Acronis Backup Software: BSoD after Restore to New Hardware with "Stop 0x0000007B" Due to Missing Drivers
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 Backup 12.5: Hyper-V Generation 2 VM is restored as Generation 1 VM after agent-based backup
Acronis Cyber Backup 12.5: Recovered RedHat 7.2 fails to start if one of dynamic volumes was not backed up
Acronis Cyber Protect, Acronis Cyber Backup: Original location unavailable during file-level recovery on Linux from a volume with a label
Acronis Cyber Protect Cloud, Acronis Cyber Backup: recovery of mailboxes fails with "Insufficient rights for PowerShell command execution 'Get-User'"
Acronis Cyber Backup 12.5: Hyper-V replica virtual machine is inconsistent after recovery
Acronis Cyber Backup 12.5, Acronis Cyber Protect Cloud: Files are 0 Bytes after download if they have reparse points attribute
Acronis Cyber Backup 12.5: Impossible to recover files from entire VM backup on tape
Acronis Cyber Backup for Plesk: download or recovery of databases fails with "Unable to start new instances of MySQL"
Acronis Cyber Backup 12.5: Recovery fails with "The storage node cannot access backups created in an unmanaged location"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Impossible to recover files to the original VM in case of agentless backup
Acronis Cyber Backup: Hyper-V replica VMs have inconsistent state after recovery
Acronis Cyber Protect, Acronis Cyber Backup: Recovery to Gen2 Azure VM stuck on 15%
Acronis Cyber Protect Cloud: Recovery of a deleted private channel fails with "A backup agent error: 'Channel was not restored'"
Acronis Cyber Backup: recovery of a Windows Server 2008 hangs at 88%
Acronis Cyber Backup: macOS Catalina does not boot after restore
Acronis Cyber Backup: deleting recovery points of application backups is not possible
Acronis Cyber Backup: Recovery of an Exchange database fails with "It is not allowed to overwrite database during recovery"
Acronis Cyber Backup: warning during restore "A required privilege is not held by the client"

Technical Questions & Known Solutions - Bootable Media

Acronis Bootable Media Does Not Detect HDD, RAID or NIC
Acronis software: NVMe drives in RAID mode are not detected by Linux-based bootable media and Acronis startup recovery manager
Acronis Software: Troubleshooting WinPE-Based bootable media creation issues
Acronis Bootable Media(Linux-based): Troubleshooting Network Browsing Issues
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 Bootable Media does not detect HP Smart Array B110i, B120i, B140i, B320i, S110i
Acronis Cyber Protect Cloud, Acronis Cyber Protect: Linux-based bootable media does not support PERC RAID controllers
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Hyper-V VM fails to boot from bootable media with "The image's hash and certificate are not allowed (DB)"
Acronis Cyber Backup 12.5: creating bootable media fails with "The specified file does not exist"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Linux Bootable media - Kernel panic - VFS: Unable to mount root fs on unknow-block(1,0)
Acronis Cyber Protect, Acronis Cyber Backup: Disk management is missing in WinPE media
Acronis Cyber Protect, Acronis Cyber Backup: macOS backup is not available under bootable media
Acronis Cyber Backup: Linux-based bootable media does not detect Intel Optane-accelerated disks

Technical Questions & Known Solutions - Antimalware Protection

Acronis Cyber Backup: "Suspicious activity is detected" alert
Acronis Cyber Backup: "Active Protection service not working" alert
Acronis Cyber Backup 12.5: Self-protection detects Acronis processes as suspicious in Build 16180

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 Backup: "Machine is offline for more than X days" alert
Acronis Software: Troubleshooting application lockups
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 Software: Troubleshooting Application Crashes
Acronis Cyber Backup: Troubleshooting Performance Issues
Acronis Cyber Protect, Acronis Cyber Backup: "An activity with ID = '...' cannot be found" error
Acronis Cyber Backup 12.5: "Video mode setup error: Error 0x1480006: The video framebuffer parameters are invalid" when booting from Linux-based media
Acronis Cyber Protect: Acronis services are not running or connection to Acronis Agent fails with "Failed to establish local connection"
"Backup/Activity is not responding" alert
Acronis Cyber Backup: Troubleshooting HDD Detection Issues
Acronis Cyber Backup, Acronis Cyber Protect Cloud: Activity fails with "Failed to resolve the host name"
Spotting and fixing hardware I/O errors (disk errors) on Linux
Acronis Cyber Backup 12.5: Cannot log to backup console via user and password after "Sign in as current Windows user"
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 software creates a temporary file during snapshot
Acronis Cyber Backup 12.5: How to change default port of mms.exe process (Acronis Managed Machine service)
Acronis Backup: Troubleshooting Pre/Post Commands Issues
Acronis Cyber Protect, Acronis Cyber Backup: all or some VMware virtual machines do not appear in the console
Acronis Cyber Protect, Acronis Cyber Backup: how to delete incomplete backups from Cloud Storage
Acronis software: How to troubleshoot EWS connection by using EWSEditor
Acronis Bootable Media Does Not Detect HDD, RAID or NIC
Acronis Cyber Backup 12.5: Error "Activity 'Applying retention rules' failed"
Acronis Cyber Backup 12.5: "Sign in as a current Windows user" option does not work in Internet Explorer 8 or 11
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 Backup: activity fails with error "The account server HTTP request failed. Request: POST <DC URL>:443/bc/idp/token HTTP/1.1" and various HTTP responses (504, 503, 500, 404, 302)
Acronis Cyber Backup: "Failed to execute the command. Deleting machine running from backup" error
Acronis Cyber Protect, Acronis Cyber Backup: VM replication is stuck at 100%
Acronis Cyber Protect Cloud, Acronis Cyber Backup: incorrect cloud storage usage
Acronis Cyber Backup 12.5: multiple 'Event 81' messages in Windows Event logs on Windows Server 2019 with Hyper-V
Acronis Cyber Backup 12.5: Warning "Backup functionality is not fully supported for versions higher than Microsoft Windows 10.0.19042"
Acronis Cyber Backup 12.5: Deleting archive fails with "Unknown location" if managed location was renamed
Acronis Cyber Protect Cloud, Acronis Cyber Backup: transaction logs are not truncated after a backup
Acronis Cyber Backup: P2V and V2P migration of machines with LVM
"Validation failed" alert
Acronis Cyber Protect, Acronis Cyber Backup: Installation of third-party Antivirus fails if Acronis Agent is installed
Acronis Cyber Backup 12.5: "Internal server error. Error code 100011" appears when accessing System Settings
Acronis Cyber Backup 12.5: Storage Node and Tape not available on downloaded bootable media
Acronis Cyber Backup: troubleshooting synchronization issues between Agents and Management Server
Acronis Cyber Backup 12.5: opening web console fails with "Bad gateway"
Acronis Cyber Backup 12.5: Cloud location shows 0 Bytes occupied although there are backups in cloud
Acronis Cyber Protect Cloud, Acronis Cyber Backup: how to set up a limited vSphere account
Acronis Cyber Backup: logging in to the backup console fails for a user without a password
Acronis Cyber Backup 12.5: synchronization with Acronis account fails
Acronis Cyber Backup 12.5: How to change timeout period for Acronis MMS Service on Linux
Acronis Cyber Backup 12.5: Incorrect used space is shown after tape rescan
Acronis Cyber Backup 12.5: cataloging fails with "An error has occurred during the Elasticsearch bulk request"
Acronis Cyber Backup 12.5: version 12 archive does not decrease in size after cleanup
Acronis Cyber Backup 12.5: Some of the backed up elements missing when browsing the Catalog

Troubleshooting

Acronis Cyber Protect, Acronis Cyber Backup: Cleanup Utility
Creating the SNAPAPI Module in Acronis Backup Software for Linux
Acronis Linux Products: Collecting Asamba Verbose Logs in Linux and MacOS
Linux System Report
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15 and Acronis Cyber Backup 12.5: Connection Verification Tool
Acronis Cyber Protect Cloud: access ports and hostnames
Acronis Cyber Backup 12.5 logs locations
Tape Detection Tools
Acronis Cyber Backup 12.5 and Acronis Cyber Protect 15: how to collect system information
Acronis cloud certificate location
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: how to manually add a machine to management server
Acronis Cyber Protect, Acronis Cyber Backup: Changing Temp Files and Folder Location
Acronis Cyber Protect: VSS writer has failed to process the snapshot
Acronis Software: Making Acronis Products Compatible with Third-Party Firewall Software
Acronis Cyber Backup: Enabling Automatic Dump Creation for Acronis Processes
Acronis Cyber Backup: SFTP Log
Acronis Cyber Backup 12.5: Windows services and processes
Acronis Cyber Backup 12.5: Troubleshooting "Internal Server Error" message
Acronis Cyber Backup: time settings in product components
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 Cloud, Acronis Cyber Protect: Collecting VMware VDDK Logs
Acronis Cyber Backup 12.5 and 12: how to collect debug logs (Windows)
Acronis Cyber Backup 12.5 and 12: how to collect debug logs (Linux)
Acronis Cyber Backup 12.5: Troubleshooting tape Read/Write errors
Acronis Cyber Backup: Enabling debug logs for scheduler on Virtual Appliance
Acronis Cyber Protect: Backup of VMware ESXi VMs fails with "Failed to authenticate with the guest operating system using the supplied credentials"
Acronis Cyber Backup 12.5: Services fail to start with "The system cannot find the file specified"