All articles related to Acronis Cyber Protect 15.

User guide
Command-Line Reference

FAQs & Hot Topics

Acronis Cyber Protect 15: FAQ
Registering maintenance renewal under Acronis Account
Acronis Cyber Protect 15: licensing and upgrade/downgrade FAQ

Security Updates

Acronis Cyber Protect 15 Update 2: Security Content

Licensing, Requirements, Features & More

Firewall settings for Acronis products
Backup archive compatibility across different product versions
Difference between Acronis Cyber Protect 15 and Acronis Cyber Backup 12.5
Acronis Cyber Cloud: access ports and hostnames
How to find the serial number of your Acronis product
Trial version limitations of Acronis products
Acronis Cyber Protect 15: Windows services and processes
Archive Compression in Acronis Products
Difference between Acronis Cyber Protect 15 and Acronis True Image 2021
Antimalware detection test files and URLs
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: Microsoft 365 protection
Acronis Cyber Protect 15 licensing
Acronis backup software: Windows mapped network drives are not supported
Acronis Cyber Protect: compatibility with Windows BitLocker
Acronis Cyber Protect 15: Linux components, services, and processes
Acronis Products: Windows Server 2012 support
Acronis Software: free VMware ESXi support
Acronis Cyber Protect Advanced, Acronis Cyber Backup Advanced: Tape Support
Acronis Backup software: NFS shares support
Available languages of Acronis products
Acronis Cyber Protect 15 upgrade table
Acronis Cyber Backup: KVM support
Acronis Cyber Backup: ESXi configuration backup
Acronis Cyber Backup Advanced: Supported Virtual Tape Libraries
Acronis Cyber Protect, Acronis Cyber Backup: agent-based and agentless backup of virtual machines
How to activate boxed versions of Acronis products
Windows activation required after restore with Acronis Universal Restore, cloning or converting backup to virtual machine
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: RDX drives support
Windows 10 support in Acronis products
Acronis Cyber Backup products do not take into account tape hardware compression when calculating space on tape media
Backup Algorithm in ESX Environment
Acronis Cyber Protect, Acronis Cyber Backup: is my Linux distribution supported?
Acronis Cloud Storage: list of supported countries
Acronis Cyber Protect Advanced, Acronis Cyber Backup Advanced: Acronis Hardware Compatibility Tool for tape devices
USB 3.0 support in Acronis products
How to check whether your license is perpetual or subscription
Acronis Cyber Protect: is Acronis Secure Zone included in Entire Machine backup?
macOS Big Sur (11.0) support in Acronis products
Acronis Cyber Protect, Acronis Cyber Backup: supported VMware vSAN versions
Acronis Cyber Protect Cloud, Acronis Cyber Backup: SQL Server FileStream support
Ext4 Support in Acronis Products
Acronis Cyber Protect Cloud, Acronis Cyber Backup: vCenter Server Virtual Appliance support
Technical support for trial versions
vCloud Air support
Acronis Cyber Protect Cloud: 'version 12' backup format (archive3)
Acronis Cyber Backup, Acronis Cyber Protect: tape size is smaller than the declared tape capacity
Acronis Cyber Protect Cloud, Acronis Cyber Backup: support of Hyper-V clusters
EFI-based operating systems support in Acronis products
Acronis Cyber Protect: LDM volumes support
Acronis Cyber Protect: Disk backup and Microsoft Exchange or SQL backup are performed in queue

How-tos

How to download Acronis bootable media ISO
Acronis Cyber Backup 12.5 and Acronis Cyber Protect 15: how to collect system information
How to turn off the automatic renewal of a subscription
Acronis Cyber Protect, Acronis Cyber Backup: updating to the latest build
Registering maintenance renewal under Acronis Account
Acronis Cyber Backup 12.5, Acronis Cyber Protect 15: how to create a bootable media
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: how to manually add a machine to management server
Upgrade to Acronis Cyber Protect 15
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: Backing Up MySQL
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: How to change port 7780 on Management Server
Acronis Cyber Protect 15: How to download a free upgrade
Acronis Cyber Protect 15: How to start a trial version
Acronis Cyber Backup Advanced: Changing the TapeLocation Folder
Acronis Cyber Protect Cloud, Acronis Cyber Backup: How to change MMScurrentMachineID and InstanceID
Acronis Cyber Protect, Acronis Cyber Backup: How to back up domain controller
Acronis Cyber Backup, Acronis Cyber Protect: Pre-backup tape inventory
Acronis Cyber Protect, Acronis Cyber Backup: how to increase quota or extend your subscription
Acronis Cyber Protect 15: How to switch from trial to full
How to capture Wireshark logs on scheduled backups via pre/post-commands
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: How to configure static IP on Acronis Cyber Backup Appliance
Changing Keyboard Language in Acronis Bootable Media
Acronis Cyber Protect 15: How to change Activities retention period
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backing up to removable devices with regular drive swaps
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: How to clone disk using bootable media
Acronis Cyber Protect 15: how to assign Virtual Host license when installing agents inside guest OS of virtual machines
Acronis Cyber Protect, Acronis Cyber Backup: How to change log rotation settings
Viewing Build Number in Acronis Products
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: how to set up shutdown after backup
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: Maintenance
Acronis Cyber Protect: How to configure static routes for Virtual Appliance
Acronis Cyber Protect: How to increase Cloud Storage quota
Business Products: how to check if your support program is valid
Acronis Cyber Backup: Backing up IBM Lotus Domino Server
Acronis Cyber Protect Cloud, Acronis Cyber Backup: How to disable VDDK transports on agent
Acronis Cyber Backup, Acronis Cyber Protect: How to change credentials for managed location on network share
Acronis Cyber Protect 15: how to export and import protection plans
Acronis Cyber Backup: P2V and V2P migration of machines with LVM
Acronis Cyber Backup: Managing Throttling Policies When Working with Exchange
Acronis Cyber Protect, Acronis Cyber Backup: file backup on virtual machines
Acronis Cyber Backup: How to create or update Acronis Bootable Media with closed-source kernel modules
Acronis Cyber Protect, Acronis Cyber Backup: all or some VMware virtual machines do not appear in the console
Acronis Cyber Protect Cloud, Acronis Cyber Backup: how to restore files from backups of NTFS volumes with Windows native Data Deduplication
How to collect procmon logs as part of backup plan using scripts in pre/post commands
Acronis Cyber Backup, Acronis Cyber Protect: tape erase operation fails with "The parameter is incorrect" error
Acronis Cyber Protect Cloud, Acronis Cyber Backup 12.5: Attempt to manually modify Acronis files fails with "Access denied" error
How to enlarge the root file system of a Virtual Appliance
Acronis Cyber Protect, Acronis Cyber Backup: How to configure DatevNet proxy settings

Technical Questions & Known Solutions - Installation, Update

Acronis Cyber Protect 15: Agent installation on 32-bit machine fails with "Failed to download installation file 'resource.xml' from the server."
Acronis Software: Installation fails with "MainEngineThread is returning 1603" or "MainEngineThread is returning 1618"
Acronis Cyber Protect: Installation in Linux finishes with "Failed to build the SnapAPI kernel module"
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 Backup: installation on ARM-powered PC fails with "This app can't run on your PC"
Acronis Cyber Protect: How to change default port of mms.exe process (Acronis Managed Machine service)
Acronis Software: Installation fails with "The Windows Installer Service could not be accessed"
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 Backup, Acronis Cyber Protect: Installation on Debian Fails with "Cannot execute binary file"
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."

Technical Questions & Known Solutions - Licenses and Quotas

Acronis Cyber Protect: "Storage quota exceeded" alert and how to free up space in cloud storage
Acronis Cyber Protect 15: impossible to assign or revoke licenses
Acronis Business Products: License is not accepted
Acronis Cyber Protect 15: Cannot assign license to machines with Agent for Windows XP SP2
Acronis Cyber Protect 15: "Maintenance expired" is shown for Acronis Cyber Backup 15 licenses

Technical Questions & Known Solutions - Agent Registration

Acronis Cyber Protect: How to change default port of mms.exe process (Acronis Managed Machine service)
Acronis Cyber Protect, Acronis Cyber Backup: Agent registration fails with "503 service unavailable" if http_proxy environment variable exists
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15: MMS service cannot be started, error "error 0x30002: CannotBind"
Acronis Cyber Protect, Acronis Cyber Backup: Registration on Management Server fails if network card is disconnected

Technical Questions & Known Solutions - Backup

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 Backup: backup fails with "Network disconnected", "The network path was not found" or "Cannot connect to the machine where network share ' path' is located"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: operation fails with "data is corrupted: CRC mismatch or internal data structures mismatch"
Acronis Cyber Backup, Acronis Cyber Protect: Backup fails with "POR: Element 'Name' cannot be found”
Acronis Cyber Protect 15: Backup fails with "Not enough memory" or logs occupy free space on Acronis Management Server
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "A device attached to the system is not functioning"
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: 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: 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 Cyber Protect: Backup fails with "The request could not be performed because of an I/O device error"
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: Backup of SQL instance fails with "There are no SQL writers" or "No SQL writers are found in the operating system."
Acronis Cyber Backup: Troubleshooting vSphere Snapshot Issues
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "The device is not ready"
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: 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 Fails with "Logon failure: unknown user name or bad password"
Acronis Cyber Cloud: backup to Cloud fails with “429 Too many requests” on EU1, EU2, US2, US5, JP1 DCs
Acronis Cyber Backup: Operation fails with "Failed to lock the file"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "Insufficient system resources exist to complete the requested service"
Acronis Cyber Protect: "Next backup" date is empty after agent update to build 26986
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: Apple RAID is not supported for disk/partition backup
Acronis Cyber Protect, Acronis Cyber Backup: Interaction "Cannot find tape to continue backup" During Backup To Tape
First cloud backup is slow
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, Acronis Cyber Backup: Backup to NAS fails with "The credentials for location are not specified" when the activity is almost complete
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: VM backup or running VM from backup fails with "The specified module could not be found" if Microsoft Visual C++ 2017 Redistributable is not installed with VMware VDDK 7.0
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "Unknown status"
Acronis Cyber Protect 15, Acronis Cyber Protect Cloud: Backup fails with "Fatal protocol error"
Acronis Cyber Protect 15: agentless backup of VM with VHDS disk fails with "Unknown format of the virtual disk."
Acronis Cyber Backup 12.5, Acronis Cyber Protect 15: Attempt to create or apply backup plan finishes with "Communication with cred-store service (host: '127.0.0.1', port: '30667') has failed."
Acronis Cyber Protect, Acronis Cyber Backup: Backup fails with "Windows error: (0x80070544) The validation information class requested was invalid"
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 Backup, Acronis Cyber Protect: backup or replication fails with "Network operation failed" error
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: backup fails with “Failed to connect to the storage node. SocketError”
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 15: Backup fails with "SocketError: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed" after update to build 26981
Acronis Cyber Protect: Backup fails if [Disk 0] is selected for backup using policy rules
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: backup to Cloud Storage in on-premises deployment is not supported if 2FA is enabled
Acronis Cyber Backup: incorrect drive letters in virtual machine backup
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 Cyber Cloud, Acronis Cyber Protect 15: Backup of ESXi configuration fails with "Failed to connect to ESXi host by using SSH"
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 15, Acronis Cyber Backup 12.5: Several backup archives have the same "Date modified"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Disk backup fails with "Incorrect function"
Acronis Cyber Protect 15, Acronis Cyber Protect Cloud: Microsoft 365 mailbox backup fails with "The SMTP address has no mailbox associated with it"
Acronis Cyber Protect 15: impossible to edit new protection plans after upgrade from Acronis Cyber Backup 12.5
Acronis Cyber Protect 15: Attempt to create or edit a protection plan fails with "POR: cannot assign units of different types” after upgrade from earlier version
Acronis Cyber Protect: Agentless backup of Hyper-V VMs finishes with a warning "Cannot take checkpoint for 'MachineName' because one or more pass-through disks are attached."

Technical Questions & Known Solutions - Restore

Acronis Cyber Protect, Acronis Cyber Backup: How to Restore Files and Folders from Cloud (Web Restore)
Acronis Backup Software: BSoD after Restore to New Hardware with "Stop 0x0000007B" Due to Missing Drivers
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 Cloud: pending activity "Setting up disaster recovery infrastructure for protection plan" in Activities after creating or editing protection plan
Acronis Cyber Protect, Acronis Backup for Linux: LVM Structure Cannot Be Partially Restored during Automatic Mapping
Acronis Cyber Protect: "Activity 'Refreshing recovery points' failed. The credentials for location are not specified."
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 Backup: Recovery of an Exchange database fails with "It is not allowed to overwrite database during recovery"
Acronis Cyber Protect, Acronis Cyber Backup: Original location unavailable during file-level recovery on Linux from a volume with a label
Acronis Cyber Protect, Acronis Cyber Backup: Recovery to Gen2 Azure VM stuck on 15%
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 Protect Cloud, Acronis Cyber Backup: Impossible to recover files to the original VM in case of agentless backup

Technical Questions & Known Solutions - Bootable Media

Acronis Bootable Media Does Not Detect HDD, RAID or NIC
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 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, 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

Technical Questions & Known Solutions - Other Issues

Acronis Software: Troubleshooting application lockups
Acronis Cyber Protect, Acronis Cyber Backup: "An activity with ID = '...' cannot be found" error
Acronis Cyber Cloud, Acronis Cyber Backup: incorrect cloud storage usage
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: Troubleshooting login to web console issues
Acronis Cyber Protect, Acronis Cyber Backup: how to delete incomplete backups from Cloud Storage
Using OpenSSL to troubleshoot connection issues caused by firewalls and DPI software
Acronis software: How to troubleshoot EWS connection by using EWSEditor
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 15: Tape pools are missing after update to builds 26981 and 27009
Acronis Cyber Protect: Troubleshooting hardware resources overuse (high CPU, memory usage) and performance issues
Acronis Software: Troubleshooting Windows Operating System Lockup
Acronis Cyber Backup, Acronis Cyber Protect: tape size is smaller than the declared tape capacity
Acronis Cyber Protect, Acronis Cyber Backup: SnapAPI issues on Linux with kernel 5.8 or higher
Acronis Cyber Protect: VM backup or running VM from backup fails with "The specified module could not be found" if Microsoft Visual C++ 2017 Redistributable is not installed with VMware VDDK 7.0
Acronis Cyber Protect, Acronis Cyber Backup: "Scheduler failed to run task with GUID 'X' because of error 2" errors in Windows Event Log
Spotting and fixing hardware I/O errors (disk errors) on Linux
Acronis Cyber Protect Cloud: Unable to install LogMeIn / Bitdefender AV after Agent update to 12.5.22210 and higher
Acronis Cyber Backup: P2V and V2P migration of machines with LVM
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, Acronis Cyber Backup 12.5: Attempt to manually modify Acronis files fails with "Access denied" error
Acronis Cyber Protect: Word.exe does not start on the agent machine after cyber definitions update
Acronis Cyber Protect Cloud: Incorrect protected devices count in Account management console after C21.01 release
Acronis Cyber Backup, Acronis Cyber Protect: tape erase operation fails with "The parameter is incorrect" error
Acronis Cyber Protect 15, Acronis Cyber Backup 12.5: Cleanup by number of backups results in one extra backup
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: Operation fails with "Windows error: (0x8007051F) There are currently no logon servers available to service the logon request"
Acronis Cyber Protect 15: Multiple 'Cyber Protection (or Active Protection) service is not responding' alers after reboot
Acronis Cyber Protect, Acronis Cyber Backup: all or some VMware virtual machines do not appear in the console
Acronis Cyber Protect: Cyber Protection Monitor shows "Protection plan not applied" status when protection plan without backup is applied to device
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"

Troubleshooting

Acronis Cyber Cloud: access ports and hostnames
Acronis Cyber Backup 12.5 and Acronis Cyber Protect 15: how to collect system information
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 Protect 15, Acronis Cyber Backup 12.5: how to manually add a machine to management server
Acronis Cyber Protect 15: Windows services and processes
Tape Detection Tools
Acronis cloud certificate location
Acronis Cyber Protect Cloud, Acronis Cyber Protect: Collecting VMware VDDK Logs
Acronis Cyber Protect 15, Acronis Cyber Protect Cloud: Activity fails with "DNS hostname resolution error"
Acronis Cyber Protect, Acronis Cyber Backup: Operation fails with "Windows error: (0x8007051F) There are currently no logon servers available to service the logon request"