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FAQs & Hot Topics

Acronis True Image 2021 FAQ
Acronis True Image 2021 (Windows): how to update to the latest build
Acronis True Image 2017-2021: free mandatory software update for Acronis Cloud features
List of support options for Acronis products
Acronis True Image 2021: Advanced Antimalware Protection FAQ
How to upgrade to Acronis True Image 2021
Acronis True Image and BitLocker FAQ
Acronis True Image 2021: Licensing and Upgrade FAQ
Acronis True Image 2021: Encrypted tib backups to Acronis Cloud fail with error message "Cloud is full"
Acronis True Image 2021 on Mac: FAQ

Security Updates

Acronis Products: the latest security patches

Licensing, Requirements, Features & More

Acronis Cyber Protect Home Office, Acronis True Image: Community Tools
How to download Acronis bootable media ISO
How to find the serial number of your Acronis product
Acronis Software: exclude program folders and executables from antivirus and other security programs
Acronis Cyber Protect Home Office, Acronis True Image: Compatibility with Memory integrity feature
Acronis True Image: compatibility with BitLocker
Acronis True Image 2021 licensing
Acronis Bootable Media
Acronis Cyber Protect Home Office, Acronis True Image: Limitations of tibx backups
Acronis Cloud Storage: list of supported countries
Acronis Universal Restore
Windows 11 support in Acronis products
Acronis True Image 2020-2021: new tibx backup format FAQ
How to check whether your license is perpetual or subscription
Refund policy for Personal products
Acronis True Image 2017-2021: free mandatory software update for Acronis Cloud features
Acronis Products: the latest security patches
Backup archive compatibility across different product versions
Acronis True Image 2020 and 2021: tib and tibx backup format usage
Acronis True Image 2021: Advanced Antimalware Protection FAQ
Acronis True Image 2020 and 2021: tibx backups in local destinations
How to activate boxed versions of Acronis products
Difference between Acronis Cyber Protect 15 and Acronis True Image 2021
Installing Acronis True Image and Acronis Disk Director on the same computer
Trial version limitations of Acronis products
Third-party software used in Acronis True Image 2021
Windows 10 support in Acronis products
RAID Arrays Acronis Disk Director Supports
Solid state drive support in Acronis products
Acronis Cyber Protect Home Office, Acronis True Image: database support
Acronis Disk Director 12: Key Features
Acronis True Image: Disk clone is not visible in Windows Explorer
Acronis Disk Director Editions
Multi-Product Bootable Media in Acronis Home Products
Acronis True Image 2021: comparison of feature set in Windows and macOS
Acronis Disk Director 12: Supported Operating Systems
Acronis Bootable Media displays wrong drive letters
macOS Catalina(10.15) support in Acronis products
Acronis True Image does not support Storage Spaces
Acronis Software: Advanced Format Drives Support
Acronis Software: Acronis bootable media does not support NVM Express
Third Party Software Used in Acronis Disk Director 12
Acronis Disk Director 12.5 is not supported on Mac computers
Windows activation required after restore with Acronis Universal Restore, cloning or converting backup to virtual machine
Windows Home Server support in Acronis products
Acronis True Image 2021: 30-day advanced anti-malware trial
Acronis Cyber Protect Home Office, Acronis True Image on Mac: supported Parallels Desktop versions
Technical support for trial versions
Acronis True Image 2021: Windows services and processes
Acronis Disk Director 12: Supported File Systems

How-tos

Acronis Cyber Protect Home Office, Acronis True Image: Community Tools
Acronis Cyber Protect Home Office, Acronis True Image: how to clone a disk
How to temporarily turn off Windows Defender Antivirus on Windows 10
How to download Acronis bootable media ISO
How to clone a laptop hard drive
Acronis True Image 2021: how to create bootable media
Acronis True Image 2021: Restoring to dissimilar hardware with Acronis Universal Restore
How to find the serial number of your Acronis product
Acronis Cyber Protect Home Office, Acronis True Image: Active Cloning in Windows
Acronis True Image 2021: How to install
Acronis True Image: how to transfer license to a new computer
Acronis Cyber Protect Home Office, Acronis True Image: adding a previously created backup to the backups list
Viewing Build Number in Acronis Products
Acronis Cyber Protect Home Office, Acronis True Image: how to restore files from a backup (Windows)
Acronis Cyber Protect Home Office, Acronis True Image: how to create Acronis Survival Kit
Acronis Cyber Protect Home Office, Acronis True Image: repairing program settings
Acronis True Image 2021: How to activate license
Acronis True Image 2021 (Windows): how to update to the latest build
Acronis True Image 2021: how to switch from trial to full
Acronis Cyber Protect Home Office, Acronis True Image: how to grant full disk access on macOS 10.14 Mojave or later
Acronis True Image: Collecting System Report
Acronis True Image 2021: how to back up entire computer
Acronis Cyber Protect Home Office Essential, Advanced and Premium: how to manage subscription licenses
Acronis True Image 2021: how to restore files from a backup (Windows)
Acronis True Image 2019, 2020 and 2021: How to delete old backups
Acronis True Image 2021: how to back up files or disks
Acronis Cyber Protect Home Office, Acronis True Image: Using Cloud Cleanup Wizard
Acronis Cyber Protect Home Office, Acronis True Image: how to delete backups in Acronis Cloud and free up Cloud storage space
How to upgrade to Acronis True Image 2021
Acronis True Image 2021: How to restore your computer with WinPE-based or WinRE-based media
Acronis Cyber Protect Home Office, Acronis True Image: how to enable Active Protection in Windows
Acronis Cyber Protect Home Office, Acronis True Image: how to add drivers for video adapter to bootable media
Acronis True Image: how to exclude a file or folder from a backup
Acronis Cyber Protect Home Office, Acronis True Image: How to clone a disk on Mac
How to activate boxed versions of Acronis products
Acronis Disk Director 12: Installation Over an Older Version
Acronis Disk Director: Disk Cloning
Acronis Cyber Protect Home Office, Acronis True Image on Mac: disk cloning to new machine on system with Apple silicon processor
Acronis Cyber Protect Home Office, Acronis True Image: how to disable Active Protection in Windows
Acronis Cyber Protect Home Office, Acronis True Image: how to back up Microsoft 365 accounts
Acronis True Image 2021 (Mac): "You've exceeded the maximum number of activations for this serial number"
Acronis True Image: how to restore the system to the original disk from within running Windows
How to change startup options on Apple T2 chip
Acronis Active Protection slows down applications without a valid digital signature that modify many files in a short period of time
Acronis True Image: 'Snapshot for backup' option overview
How to purchase Acronis products
How to download Acronis product in another language
Acronis Cyber Protect Home Office, Acronis True Image 2021(Mac) : Boot Camp can be cloned only under bootable media
Acronis True Image: how to add backup comments
Acronis Cyber Protect Home Office, Acronis Cyber Protect 15: How to change Acronis Startup Recovery Manager delay time and key

Technical Questions & Known Solutions - Installation, Update

Acronis True Image: installation fails with "Some Acronis products must be uninstalled first"
Acronis Software: Installation fails with "MainEngineThread is returning 1603" or "MainEngineThread is returning 1618"
Acronis Cyber Protect Home Office, Acronis True Image: modify, update and clean installations on Windows
Acronis True Image 2021 (Mac): repeated restart request after installation
Acronis Cyber Protect Home Office, Acronis True Image: Installation Fails in Windows
Acronis Software: Installation fails with "The Windows Installer Service could not be accessed"
Acronis Products: Installation Fails with "An error occurred during the installation of assembly" "Microsoft.VC80.CRT,publicKeyToken"
Acronis True Image 2021: Installation hangs at 10%
Acronis True Image: Installation Over a Previous Version Fails
Acronis True Image: credentials are not accepted at acronis-upgrade.de
Acronis Cyber Protect Home Office, Acronis True Image 2017-2021: Creating an MS Installer Log

Technical Questions & Known Solutions - Licenses and Quotas

Acronis Home Products: Serial Number Is Not Accepted
Acronis Cyber Protect Home Office, Acronis True Image: "The serial number is incorrect" error
Acronis True Image: "The serial number is registered to another account" error
Acronis Cyber Protect Home Office, Acronis True Image: license activation fails due to blocked network connection to Acronis servers
Acronis Cyber Protect Home Office: "You have conflicting subscriptions"
Acronis True Image: solutions guide for Acronis account sign-in and license activation issues
Acronis True Image: credentials are not accepted at acronis-upgrade.de

Technical Questions & Known Solutions - Cloning

Acronis Software: Unbootable System after Cloning Operation
Acronis Cyber Protect Home Office, Acronis True Image: cloning and disk/partition recovery to a disk with different logical sector size is not supported
Acronis True Image: Windows system restore points disappear after backup, recovery or disk cloning
Acronis True Image 2021 (Mac): cloning under bootable media fails on Mac with Apple silicon processor: "Unable to create partitions"
Acronis True Image (Mac): Cloning fails with "MFT bitmap corrupted" or "Format/resize error" or "The file is corrupted"
Acronis True Image on Mac: Cloning fails with "Neither Core Storage not APFS containers were found on the source disk"

Technical Questions & Known Solutions - Backup

Acronis Cyber Protect Home Office, Acronis True Image: backup cannot be started, pauses, or fails with the "Plug in external drive" error
Acronis Cyber Protect Home Office, Acronis True Image: Common backup errors
Troubleshooting Issues with Corrupt Backups
Acronis True Image: backup to Acronis Cloud fails with "Remote server returned error ...", "Write error", "Error occurred while writing the file", "Failed to lock the file" or "FES request failed"
Acronis Cyber Protect Home Office, Acronis True Image on Windows: Backup hangs at "Calculating time remaining"
Acronis Cyber Protect Home Office: macOS backup fails with "Resource deadlock avoided"
Acronis Cyber Protect Home Office, Acronis True Image: Backup fails with "There is not enough space on the destination drive to perform a backup"
First cloud backup is slow
Acronis True Image: Windows system restore points disappear after backup, recovery or disk cloning
Acronis Cyber Protect Home Office (Mac): A disk backup fails with errors "CreateSnapshot function failed" and "Failed to create volume snapshot"
Acronis Cyber Protect Home Office, Acronis True Image: NAS Is Not Detected
Acronis True Image: false alarm by email about a failed backup
Acronis Cyber Protect Home Office, Acronis True Image: troubleshooting mobile backup
Acronis True Image 2021: Validation of all backup versions fails if some of the full backups were removed manually
Acronis Cyber Protect Home Office, Acronis True Image: troubleshooting issues with backup to Acronis Cloud
Acronis Cyber Protect Home Office: Backups to or from WD My Cloud Home NAS fail
Acronis True Image: Backup is shown as "Queued" when no other backups are running
Acronis software: *.OST-file is not backed up
Acronis True Image: files and folders are not excluded from backup if there are issues with file system on the backup source
Acronis True Image: Replication fails with error "The disk with your backup data is not connected"
Acronis Cyber Protect Home Office, Acronis True Image: Backup, recovery fail with error "Read error or data content is corrupted"
Acronis True Image: Backup to Cloud fails with the error message "Failed to resolve the proxy address"
Acronis True Image: How to determine if a backup in Acronis Cloud is in old ("tib") or new ("tibx") format

Technical Questions & Known Solutions - Restore

Acronis Cyber Protect Home Office, Acronis True Image: Recovery Fails
Acronis True Image: Windows system restore points disappear after backup, recovery or disk cloning
Acronis Cyber Protect Home Office: recovering Windows from a boot failure
Acronis Cyber Protect Home Office, Acronis True Image (Mac): recovery to a Mac with different sector size
Acronis True Image: Attachments larger than 4 MB are not restored from Microsoft 365 backup
Acronis True Image: Restored Operating System Fails to Boot
Acronis Cyber Protect Home Office, Acronis True Image: backups deleted from Acronis Cloud storage cannot be restored
Acronis Cyber Protect Home Office, Acronis True Image: "No data to recover yet" message after a completed backup
Acronis True Image: Applications don't work or files are damaged after recovery
Acronis True Image 2021: No data is available at Recovery tab when using swapped USB disks
Acronis Cyber Protect Home Office: "Inaccessible boot device" error after system recovery to NVMe disk
Acronis True Image 2020 and 2021 (Mac): System does not boot if only one partition was formatted before recovery
Acronis Cyber Protect Home Office, Acronis True Image: Backup, recovery fail with error "Read error or data content is corrupted"

Technical Questions & Known Solutions - Bootable Media

Acronis Bootable Media Does Not Detect HDD, RAID or NIC
Acronis True Image 2021 (Mac): Cannot boot from bootable media or Survival Kit created on macOS 11 Big Sur
Acronis Cyber Protect Home Office, Acronis True Image: exFAT partitions are detected as empty by Linux-based media
Acronis True Image Linux-based bootable media boots into black screen after selecting any option in the option menu
Acronis True Image 2021 (Mac): bootable media creation fails on Mac with Apple silicon processor with error "Cannot format the destination disk"
Acronis Bootable Media(Linux-based): Troubleshooting NIC Detection
Acronis True Image 2021(Mac): Acronis bootable media or Acronis Survival Kit creation fails on Big Sur
Acronis Linux-based Bootable Media: Troubleshooting USB HID Devices Detection Issues
Acronis software: NVMe drives in RAID mode are not detected by Linux-based bootable media and Acronis startup recovery manager
Acronis True Image 2021 on Mac: Acronis bootable media fails to boot if WD Discovery was installed

Technical Questions & Known Solutions - Antimalware Protection

Acronis True Image 2021: Antivirus scan hangs on Windows 8.1
Acronis True Image 2021: Outlook.exe is detected as ransomware by Active Protection
Acronis True Image 2021: Downloading protection updates hangs if port 8099 is in use
Acronis True Image 2021: Scheduled antivirus scan runs even when protection is disabled
Acronis True Image 2021: using two or more antivirus solutions on the same computer is not recommended
Acronis True Image: cannot enable Active Protection on Windows 7

Technical Questions & Known Solutions - Other Issues

Acronis Cyber Protect Home Office, Acronis True Image: Sign In at program start fails
Acronis Cyber Protect Home Office, Acronis True Image: repairing program settings
Acronis Cyber Protect Home Office, Acronis True Image: Troubleshooting System Clean-up Issues
Acronis True Image: Required User Permissions
Acronis Software: Troubleshooting Application Crashes
Acronis Software: Troubleshooting application lockups
Acronis Cyber Protect Home Office, Acronis True Image: How To Disable Notifications in Notification Area
Acronis Cyber Protect Home Office, Acronis True Image 2021: Installation of third-party Antivirus fails if Acronis Cyber Protect Home Office, Acronis True Image 2021 is installed
Acronis Active Protection slows down applications without a valid digital signature that modify many files in a short period of time
Acronis Disk Director 12: Installation Fails with "An error occurred during the installation of the assembly Microsoft.VC80.CRT"
Acronis Cyber Protect Home Office, Acronis True Image: how to add drivers for video adapter to bootable media
Acronis True Image: Windows system restore points disappear after backup, recovery or disk cloning
Acronis Cyber Protect Home Office, Acronis True Image: E-mail Notifications to Gmail Fail with "Authentication failed"
Acronis True Image: Backup to network share fails if guest account is used
Acronis Bootable Media Does Not Detect OCZ RevoDrive 350
Acronis True Image 2021: File Explorer hangs if ISM Cloud One is installed
Acronis Cyber Protect Home Office: Troubleshooting Try&Decide Issues
Acronis Disk Director fails to start with error "Cannot connect to localhost"
Acronis True Image: E-mail Notifications to Yahoo or to Outlook/Live/Hotmail Fail with "An unknown error has occurred"
Acronis True Image 2014: Try&Decide Does Not Start after Installing Acronis Disk Director 12
Acronis True Image: Windows Explorer is slow, sometimes stops responding, if ti_managers_proxy.dll malfunctions
Acronis Cyber Protect Home Office, Acronis True Image: Troubleshooting Online Dashboard
Acronis Cyber Protect Home Office: "Inaccessible boot device" error after system recovery to NVMe disk
Acronis True Image: Troubleshooting Performance Issues
Acronis Cyber Protect Home Office, Acronis True Image: backups deleted from Acronis Cloud storage cannot be restored
Acronis True Image: High CPU usage by Acronis processes
Acronis True Image: Incorrect Cloud size in Account tab
Acronis True Image: Troubleshooting Mount/Explore Issues in Windows
Acronis True Image: Windows event log is spammed with Event ID 10010 "The server {1EF75F33-893B-4E8F-9655-C3D602BA4897} did not register with DCOM within the required timeout.", referencing ti_managers_proxy.dll
Acronis Cyber Protect Home Office, Acronis True Image: Troubleshooting E-mail Notification Issues
Acronis True Image (Mac): Mac keeps restarting if Acronis True Image is installed in macOS Big Sur Beta
Acronis Disk Director 12: "SSL connection has failed" Error Appears when Checking for Update before Installation
Acronis Cyber Protect Home Office and Acronis True Image 2021: program GUI is slow when external drive is attached
Acronis Cyber Protect Home Office: Red dot in the Account tab
Acronis Software: Troubleshooting Windows Operating System Lockup
Acronis True Image: Try&Decide does not work on Intel RAID
Acronis True Image does not support Storage Spaces
Acronis True Image 2015: Backup Creation Fails with "Failed to deploy task" after Acronis Disk Director 12 Is Installed
Acronis True Image 2021: Deleting a sync from the software fails
Acronis True Image: Validation Fails
Acronis Disk Director: operation is not performed after the requested reboot

Troubleshooting

Acronis cloud certificate location
Acronis True Image: Collecting System Report
Acronis Scheduler Manager and how to collect debug logs
Acronis Software: Cloning Fails
Acronis Cyber Protect Home Office and Acronis True Image 2021: program GUI is slow when external drive is attached
Acronis True Image: Collecting Debug Logs