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Acronis Cyber Protect Home Office
Acronis Cyber Protect 15
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Acronis True Image 2021
Acronis Disk Director 12 Home
Acronis Cyber Backup 12.5
Acronis Snap Deploy 6
Acronis Detection and Response
Acronis Disk Director 12.5
Acronis Cyber Files
Acronis Files Connect (formerly ExtremeZIP)
MassTransit
Acronis Cloud Manager (formerly 5nine Cloud Manager)
Acronis Cloud Migration (formerly 5nine Cloud Migration)
Acronis Cloud Security (formerly 5nine Cloud Security)
Acronis Manager Standard (formerly 5nine Manager Standard)
Acronis DeviceLock DLP
Acronis Cyber Protect Connect
Acronis DLP in Acronis Cyber Protect Cloud
Acronis Cyber Disaster Recovery Cloud
Acronis Cyber Infrastructure
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Acronis Cyber Appliance
Acronis Cyber Cloud Integration with WHMCS
Acronis Cyber Platform
Acronis Backup Advanced for vCloud
Acronis Disaster Recovery Service (formerly nScaled DRaaS)
Acronis Revive 2019
ArchiveConnect
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Acronis Monitoring Service
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Acronis Storage Gateway
Acronis Backup 12
Acronis Backup 11.7
Acronis SharePoint Explorer
Acronis Disk Director 11 Advanced
Acronis Backup for VMware 9
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Acronis Backup 11.5
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Acronis Backup and Recovery 10
Acronis True Image 2020
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Acronis True Image 2016
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True Image 2013 by Acronis
True Image Lite 2013 by Acronis
Acronis True Image Home 2012
Acronis True Image Home 2011
Acronis True Image Home 2010
Acronis True Image Home 2009
Acronis Disk Director 11 Home
Acronis Disk Director 10.0
Acronis Revive 2017
Acronis vmProtect 8
Acronis Recovery for Microsoft Exchange / for MS SQL Server
Acronis True Image Echo / 9.1
Acronis Snap Deploy 5
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Acronis Snap Deploy 3
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Acronis Migrate Easy 7.0
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Acronis Cyber Protect Cloud
All articles related to Acronis Cyber Protect Cloud
User Guide
Release Notes
Articles for internal use
Acronis Cyber Protect Cloud: Data center status in Acronis Partners Portal
FAQs & Hot Topics
Acronis Cyber Protect Home Office and Acronis Cyber Protect: required security updates for Windows 7
Acronis Cyber Protect Cloud: New Microsoft 365 licensing (introduced in C21.10)
Acronis Cyber Protect Cloud FAQ
Acronis Cyber Protect Cloud: Downloading APS package
Acronis Cyber Protect Cloud: Next backup date is in the past or "Never" after C22.02 release
Acronis Cyber Protect Cloud: Agent auto-update and Live update do not start
Acronis Cyber Protect Cloud: Agents offline and slow performance on US5 DC
Acronis Cyber Protect Cloud: FAQ for trial users
Acronis Cyber Protect Cloud: Email notifications are not being sent
Acronis Cyber Protect Cloud Omnivoice integration: Omnivoice FAQ
Acronis Cyber Protect Cloud: Patch management automatically upgrades machine to Windows 11
Security Updates
Acronis Cyber Protect Cloud: Updating Cyber Protect definitions fails with "Failed to update definitions"
Licensing, Requirements, Features & More
Firewall settings for Acronis products
Acronis Cyber Protect Cloud: access ports and hostnames
Antimalware detection test files and URLs
Windows 11 support in Acronis products
Acronis Cyber Protect Cloud: Backup for Synology NAS
Acronis Cyber Protect Home Office and Acronis Cyber Protect: required security updates for Windows 7
Acronis Cyber Protect Cloud services availability by datacenter
Acronis Software: exclude program folders and executables from antivirus and other security programs
Acronis Cyber Protection: comparison of editions
Acronis Cyber Protect Cloud, Acronis Cyber Protect: required managed machine service user rights
Acronis Universal Restore
Acronis Cyber Protect: Retention rules - how and when they work
Acronis Cyber Protect Cloud: C2C backup applied to custom groups fails with "The following quota is reached for '..': Number of protected Microsoft 365 seats."
Acronis Software: free VMware ESXi support
Acronis Cyber Protect Cloud: released builds
Acronis Cyber Protect Cloud: Immutable storage
Ext4 Support in Acronis Products
Acronis Cyber Protect Cloud: 'version 12' backup format (archive3)
Acronis Cyber Protect Cloud: what devices and environments can be backed up
Acronis software: Windows mapped network drives are not supported
Windows 10 support in Acronis products
Acronis Products: Windows Server 2012 support
Solid state drive support in Acronis products
Acronis Cyber Protect Cloud: Group management for Microsoft 365/Google Workspace
Acronis Cyber Protect Cloud: Windows Services and Processes
Acronis Cyber Protect Cloud: where can backups be stored
Acronis Cyber Protect Cloud: Full features of Remote desktop and assistance
Active Protection for Linux: Supported kernel versions
Acronis Cyber Protect Cloud: deployment implementations
Acronis Cyber Protect: compatibility with Windows BitLocker
Acronis Cyber Protect: How to set up exclusion settings if processes have no exact path
Acronis Cyber Protect Cloud: Downloading APS package
Acronis Cyber Protect: incremental disk backup size exceeds the size of changed files
Acronis Cyber Protect Cloud: supported relational databases
Third-party software used in Acronis Cyber Protect Cloud
Acronis Cyber Protect Cloud: Remote desktop protocols
Acronis Cyber Protect Cloud: archive structure of multi-full backup in a local storage
Windows 8 support in Acronis products
Acronis Cyber Protect Cloud: local storage usage calculation
Available languages of Acronis products
Acronis Cyber Protect Cloud: storage and devices quotas and overage
Acronis Cyber Protect Cloud, Acronis Cyber Backup: support of Hyper-V clusters
Acronis Cloud security and privacy
Acronis Cyber Protect, Acronis Cyber Backup: supported VMware vSAN versions
Backup Algorithm in ESX Environment
Acronis Cyber Protect Cloud: Compliance mode for immutable storage
Acronis Cyber Protect: KVM support
Acronis Cyber Protect Cloud: 4 instances of mmsmonitor.exe
Acronis Cyber Protect: Microsoft Out-of-Band (OOB) updates not offered for installation in Patch Management
Initial Seeding: supported HDD types
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How-tos
Acronis Cyber Protect Cloud: Collecting system report
Acronis Cyber Protect Cloud: Registering backup agent manually
Acronis Cyber Protect Cloud: how to turn business and service notifications on and off
Acronis Cyber Protect Cloud: Installing Agents
Acronis Cyber Protect Cloud: how to create a WinPE-based bootable media
Acronis Cyber Protect: backing up a NAS
Acronis Cyber Protect, Acronis Cyber Backup: Backing Up MySQL
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Restoring to Dissimilar Hardware with Universal Restore
Viewing Build Number in Acronis Products
Acronis Cyber Protect Cloud: how to assist end users with uploading large amounts of data to cloud or downloading them from cloud
Acronis Cyber Protect Cloud: Branding Web Console URL
Acronis Cyber Protect: How to deploy and update Agent for VMware (Virtual Appliance)
Acronis Cyber Protect Cloud: Web Restore or Web Recovery Console
Acronis Cyber Protect Cloud: manual uninstallation
Acronis Cyber Protect Cloud: using Physical Data Shipping and Large Scale Recovery services
Acronis Cyber Protect Cloud: how to remove Backup storage location from the Protection Console
Acronis Cyber Protect Cloud: how to validate an archive using acrocmd
Acronis Cyber Protect Cloud: how to add a backup location based on Acronis Cyber Infrastructure
Effective validation and repair of TIBX/Archive3/Format12 backup archives using CLI tool archive_ctl
Acronis Cyber Protect Cloud: How to move a Tenant
Acronis Cyber Protect Cloud: New Advanced licensing and EoL of Legacy licensing
Acronis Cyber Protect Cloud: how to update to the latest build
Acronis Cyber Protect Cloud: How to add a Google Workspace organization
Acronis Cyber Protect, Acronis Cyber Backup: how to continue backing up to an existing archive with a new backup plan
Acronis Cyber Protect, Acronis Cyber Backup: How to back up domain controller
Acronis Cyber Protect Cloud: how to change storage and agents quotas and overage
Acronis Cyber Protect Cloud: how to set up backup schedule
Acronis Cyber Protect, Acronis Cyber Backup: Changing Temp Files and Folder Location
Acronis Cyber Protect Cloud: How to find Tenant ID
Acronis Cyber Protect Cloud: how to enable read-only administrator role
Acronis Cyber Protect: Backing Up SQL Databases with Transparent Data Encryption
Acronis Cyber Protect Cloud: Backup Replication
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backing up to removable devices with regular drive swaps
Acronis Cyber Protect, Acronis Cyber Backup: how to set up Gmail as Email server
Acronis Cyber Protect Cloud: How to recover Files larger than 100 MB
Acronis Cyber Protect: Migrating Machines to Amazon EC2 and Microsoft Azure
How to change startup options on Apple T2 chip
Acronis Cyber Protect, Acronis Cyber Backup: How to change MMScurrentMachineID and InstanceID
Acronis Cyber Protect Cloud, Acronis Cyber Backup: how to optimize resource usage and backup performance
Acronis Cyber Protect Cloud: backing up
Acronis Cyber Protect Cloud: how to disable Backup Agent monitor on Mac machine
Making Acronis Products Compatible with Antivirus Software
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
Acronis Cyber Protect Cloud: Downloading APS package
Acronis Cyber Protect Cloud: How to restore files
Acronis Cyber Protect Cloud, Acronis Cyber Backup 12.5: how to disable Cyber Protection Monitor
Acronis Cyber Protect Cloud: how to disable or delete a tenant or a user
Acronis Cyber Protect Cloud: How to change the email address for a user
Acronis Cyber Protect Cloud: RMM unattended installation
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Technical Questions & Known Solutions - Installation, Update
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15: Agent installation fails with "Windows cannot verify the digital signature for this file"
Acronis products: Installation log shows message "Failed to grab execution mutex. System error 258."
Acronis Cyber Protect Cloud: Agent update fails with "Fatal error during installation. Failed to wait for filter driver 'ngscan' to unload. Reboot the operating system, and then retry the installation."
Acronis Cyber Protect Cloud: Installation fails with 'MainEngineThread is returning 1601 MSI'
Acronis Cyber Protect Cloud, Acronis Cyber Backup: "0x530128 SOAP 1.1 fault: SOAP-ENV:Client" error
Acronis Cyber Protect: Local update fails with error "The installation failed" in wizard, bootstrapper.log is 0KB
Acronis Cyber Protect Cloud: Local agent update fails with "Fatal error during installation. The older version of this product cannot be removed because it seems to be corrupted."
Acronis backup software: installation fails with "Failed to grant priviledge to user" or "Failed to add user to group 'Backup Operators'"
Acronis Cyber Protect Cloud: Agent auto-update fails with "Failed to download installation file from the server"
Acronis Cyber Protect Cloud: Manual removal and cleanup of Agent for Linux
Acronis Cyber Protect: Installation in Linux finishes with "Failed to build the SnapAPI kernel module"
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: Snapapi fails to build on on Debian 11 kernel 5.10 or newer, or produces spurious warning "Failed to find kernel's System.map file required for modules build", which the user can get around by acknowledging the message twice
Acronis Cyber Protect Cloud: Agent auto-update fails with "The Windows Installer service cannot be accessed. This can occur when the Windows Installer is not installed correctly"
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 Cloud: Agent update fails with "Task timeout expired. The agent that is responsible for processing the task is not accessible"
Acronis Cyber Protect Cloud: update may fail on Win7, 8, 8.1 in case Microsoft Visual C++ Redistributable runtime is not installed
Acronis Cyber Protect: Remote installation fails with error "An unknown error occurred trying to verify the signature of the file"
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 Cloud: installation fails with 'The digital signature of the object did not verify'
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 Backup: installation fails with "MainEngineThread is returning 1632"
Acronis Cyber Protect Cloud: Agent auto-update and Live update do not start
Acronis Cyber Protect: Agent update hangs or fails if DeviceLock service cannot be stopped during installation
Acronis Cyber Protect Cloud: Attempt to add cloud Agent for Microsoft 365 results in downloading local Agent for Microsoft 365
Acronis Cyber Protect Cloud: Compatibility with RHEL/CentOS/CentOS-stream Linux kernel versions 4.18.0-315 to 4.18.0-xxx
Acronis Cyber Protect Cloud Integration with ConnectWise Automate: Agent update Automate script fails
Acronis Cyber Protect: Snapapi fails to build on CloudLinux 7 with a hybrid kernel
Acronis Cyber Protect Cloud: Installer shows warning "Incompatible operating system" on macOS 13.1
Acronis Cyber Protect Cloud: Agent installtion or registration fails with "error 0x2260006: Could not resolve host: localhost"
Acronis Cyber Protect Cloud: Agent installation fails with "Failed to install the Visual C++ Redistributable Package"
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: installation on ARM-powered PC fails with "This app can't run on your PC"
Acronis Cyber Backup, Acronis Cyber Protect: Installation on Debian Fails with "Cannot execute binary file"
Acronis Cyber Protect Cloud: Agent update installation fails with "SSL peer certificate or SSH remote key was not OK"
Acronis Cyber Protect Cloud: Agent installation on Domain Controller fails with LocalGroupAdd errors
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 Protect Cloud, Acronis Cyber Protect 15: Agent update fails with "Folder C:\ProgramData\Acronis\ is created by non-administrator"
Acronis Cyber Protect Cloud: installation or backup fails with C21.11 or C21.12 agent on CloudLinux7.9 or CloudLinux8.5 (8.x) due to REMAKE_INITRD in the dkms.conf file
Acronis business backup solutions and Acronis True Image Cannot Be Installed on the Same Machine
Acronis Cyber Protect Cloud: Upgrade to Acronis APS package v2.2-2503 fails with "SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed"
Acronis Cyber Protect Cloud: "The following software is not compаtible with the product you are going to install" error during installation
Acronis Cyber Protect Cloud: Agent uninstallation creates a registry record in PendingFileRenameOperations preventing installation of other software
Acronis Cyber Protect: backup or Agent installation fails when using Agent 26822 or later
Acronis Cyber Protect Cloud: installation fails with "An error occurred during the installation of assembly" and "Microsoft.VC80.CRT,publicKeyToken"
Acronis Cyber Protect Cloud cannot be installed on the machine with R1Soft
Acronis Cyber Protect Cloud: Agent installation fails with "Certificate did not pass verification"
Acronis Backup plugin for cPanel/WHM produces 404 Error and does not work on cPanel version 100 with the new default Jupiter theme
Acronis Cyber Protect: Execution of the .exe installation file must be explicitly allowed due to security settings
Acronis Cyber Protect Cloud: Auto-update or remote installation fails with "Failed to launch installation or update support service on host: The specified service already exists"
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Technical Questions & Known Solutions - Licenses and Quotas
Acronis Cyber Protect Cloud: New Microsoft 365 licensing (introduced in C21.10)
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
"Subscription license will expire soon/expired" alerts
Acronis Cyber Backup: you receive "Quota exceeded" error, but do not use cloud storage
Acronis Cyber Protect Cloud: Hardware or Software inventory shows message "Upgrade service quota" although the quota is assigned to device
Acronis Cyber Protect Cloud: Hyper-V VMs are recognized as physical and can't be protected with Virtual machine quotas
Acronis Cyber Infrastructure: SPLA license registration in Acronis Cyber Protect Cloud fails with "code:access_denied: Failed to authorize"
Acronis Cyber Protect Cloud: protection of SQL or Exchange Server on Windows workstation acquires server quota
Acronis Cyber Protect Cloud: Trial tenant doesn’t switch to Production mode after a month
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 Cloud: troubleshooting Agent registration issues
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 Protect Cloud: Agent registration fails with "failed to register agent: failed to validate possible tenant change: no access to tenant"
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 Cloud, Acronis Cyber Backup: manual registration of backup agent fails with “Failed to encrypt data. The system cannot find the file specified”.
Acronis Cyber Protect Cloud: Agent re-registration fails after user or tenant removal
Acronis Cyber Protect Cloud: Configuring Google Workspace account fails with "ExternalRequestFailedError"
Acronis Cyber Protect: Agent registration fails with "Access denied"
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15: MMS service cannot be started, error "error 0x30002: CannotBind"
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 Files Cloud: Client registration fails with "token issuer is not trusted" if tenant has branded URL
Acronis Cyber Protect Cloud: No users are shown when registering agents with code
Acronis Cyber Protect: backup or Agent installation fails when using Agent 26822 or later
Acronis Cyber Protect Cloud: Update/Registration fails due Let's Encrypt certificate without cross-sign
Acronis Cyber Protect Cloud: cPanel plugin does not detect the agent "The backup agent is not available"
Acronis Cyber Protect: Agent registration fails with "failed to validate possible tenant change: unintended tenant change"
Acronis Cyber Protect Cloud: Agent registration fails with "A device cannot be registered for a partner account"
Acronis Cyber Protect: How to change default port of mms.exe process (Acronis Managed Machine service)
Technical Questions & Known Solutions - Backup
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: VSS Troubleshooting Guide
Acronis Cyber Protect Cloud, Acronis Cyber Backup: backup fails with "VSS writer 'SqlServerWriter' has failed during the snapshot creation"
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 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: Troubleshooting Hyper-V snapshot issues
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: Backup of a Linux machine fails with "The SnapAPI kernel module is not loaded for the kernel currently running on the system"
Acronis Cyber Backup: Operation fails with "Failed to lock the file"
Acronis Cyber Protect Cloud: Backups to Cloud fail with "The cloud storage quota is exceeded. Further backups will fail" after storage quota was increased
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "A device attached to the system is not functioning"
Acronis Cyber Protect: Backup fails with "The request could not be performed because of an I/O device error"
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 Cyber Protect: Backup fails with "Windows error: (0x800705B4) This operation returned because the timeout period expired"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "Unknown status"
Acronis Cyber Protect Cloud: Backup fails with "Failed to verify the TLS/SSL certificate while connecting to the cloud"
Acronis Software: Troubleshooting Scheduled Backup Issues
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"
"Backup did not start" alert
Acronis Cyber Protect Cloud, Acronis Cyber Backup: "The credentials for 'path' are incorrect." or "The user name or password is incorrect"
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 fails with "The shadow copy provider had an unexpected error"
Acronis Cyber Protect: Backup to Synology NAS with DSM 7.0-41890 fails with "The credentials for location are not specified"
Acronis Cyber Protect: backup to Acronis Cloud storage fails with "Network connection failed due to timeout."
Acronis Cyber Protect: macOS backup fails with "Operating system error: Resource deadlock avoided"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Activity fails with "Misc error while local file io"
Acronis Cyber Protect: Cloud backup failures on US DCs
Acronis Cyber Protect Cloud: Unable to create or edit a protection plan for network share: error "The credentials are incorrect" appears.
Acronis Cyber Protect: operation fails with "The activity has failed due to a planned restart of the operating system"
Acronis Cyber Protect, Acronis Cyber Backup: Backup Fails with "Logon failure: unknown user name or bad password"
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 Cloud, Acronis Cyber Backup: Disk backup fails with "Incorrect function"
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 Backup: Corrupted MFT, Run List, Block Bitmap or Index forces Sector-by-Sector backup mode
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "Insufficient system resources exist to complete the requested service"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Activity fails with "Operating system error: The shadow copy provider had an error"
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: "There is no free space on Acronis Cloud Storage. Please upgrade the subscription. Otherwise, further backups will fail" error
Acronis Cyber Protect Cloud: backup of Microsoft 365 group mailbox fails with 'Cannot back up the primary mailbox of an Microsoft 365 user' or 'Cannot get the user's email address for connecting to the Microsoft 365 group mailbox'
Acronis Cyber Protect Cloud, Acronis Cyber Backup: backup fails with "CRC error" or "Failed to read the snapshot"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "The device is not ready"
Acronis Cyber Protect: Attempting to access an encrypted backup archive fails with "The password for the protected backup is incorrect"
Acronis software: *.OST-file is not backed up
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: 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: 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 "Selected network files or network folders were not found"
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 Cloud: Backup fails with "There is not enough free space" or "There is not enough free space in the backup destination"
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Technical Questions & Known Solutions - Restore
Acronis Cyber Protect Cloud: Recovery of cPanel account fails with "Insufficient disk space is available"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: recovery of disks or volumes fails with "Resize error"
Acronis Cyber Protect: Restore fails with "The system cannot find the path specified" if path contains more than 260 symbols
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 12.5, Acronis Cyber Protect Cloud: Files are 0 Bytes after download if they have reparse points attribute
Acronis Cyber Backup Integration with Plesk/cPanel: mounting a recovery point fails if backup contains exclusions
Acronis Cyber Protect Cloud: "Failed to open the backup archive by the ID" error when attempting to browse recovery points of website or mobile backup
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 Protect Cloud: Recovery fails with "No disk space or quota"
Acronis Cyber Protect: recovered machine fails to boot with BSOD c00002e2
Acronis Cyber Protect: "Activity 'Refreshing recovery points' failed. The credentials for location are not specified."
Acronis Cyber Protect Cloud: troubleshooting recovery failures
Acronis Cyber Protect Cloud: cPanel/WHM Integration plugin may return an empty slice list if multi-machine webcp protection plan is applied
Acronis Backup Software: BSoD after Restore to New Hardware with "Stop 0x0000007B" Due to Missing Drivers
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: C2C backup of Microsoft 365 items is slower than expected due to Microsoft throttling
Acronis Cyber Protect Cloud: Recovery points from local or network destinations are not loading if Quota for Cloud resources is disabled
Acronis Cyber Protect Cloud for Plesk: how to recover a backed up server to a new one
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Impossible to recover files to the original VM in case of agentless backup
Acronis Cyber Protect Cloud: Troubleshooting Application Malfunction or Files Corruption after Recovery
Acronis Cyber Protect Cloud: Remote recovery via bootable media fails with "Server response code: "403 - Forbidden: Policy does not allow current user to do this operation"
Acronis Cyber Protect Cloud: Incorrect disk layout in Hyper-V VM after restore or instant restore from a disk-level backup or "Failed to get the ID of the boot disk" error
Acronis Cyber Protect Cloud: Recovery of a deleted private channel fails with "A backup agent error: 'Channel was not restored'"
Acronis Cyber Protect Cloud: recovery points displayed incorrectly after refresh
Acronis Cyber Protect Cloud: Attempt to download files via "More ways to recover" fails with ERR_TOO_MANY_REDIRECTS
Acronis Cyber Protect Cloud: Error "The user does not belong to the group ancestors" While Browsing the Data in Web Restore
Acronis Cyber Protect Cloud: Backup Storage tab does not load
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 Cloud: Files/folders recovery is getting stuck on 6%
Acronis Cyber Protect Cloud: size of individual slices (recovery points) is missing
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: Backup and recovery fails with "Error 0x1000e9: Failed to access the archive plain disk." and "error 0x7002c: The backup does not contain the sector."
Acronis Cyber Protect Cloud: Web Restore access failure
Acronis Cyber Protect Cloud: source files with non-UTF8 encoding in file names cannot be recovered
Acronis Cyber Protect Cloud: Recovery requires user interaction and shows 'Failed to read data from the disk' message
Acronis Cyber Protect Cloud: installation or backup fails with C21.11 or C21.12 agent on CloudLinux7.9 or CloudLinux8.5 (8.x) due to REMAKE_INITRD in the dkms.conf file
Acronis Cyber Protect Cloud: Performance issues on EU7 storage (EU1 DC)
Acronis Cyber Protect Cloud for Plesk: Cannot see the content of a recovery point with user account in self-service mode
Acronis Cyber Protect Cloud, Acronis Cyber Backup: recovery of mailboxes fails with "Insufficient rights for PowerShell command execution 'Get-User'"
Acronis Cyber Protect Cloud: "Error 2020: Got packet bigger than 'max_allowed_packet' when dumping table wp_options"
Acronis Cyber Protect Cloud: Recovery on Mac fails with "Rescue Media Builder is required to complete this action"
Acronis Cyber Protect Cloud: recovery hangs when recovering XenServer 7.1 or 7.2 virtual machines from Cloud storage
Acronis Cyber Protect: Recovery from Acronis Cloud with bootable media cannot be started with "The selected location does not have any backup data" message when using registration token
Acronis Cyber Protect Cloud: Recovery of a private channel fails with "Cannot create private channel, user is not part of team"
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: Backup or recovery of a public folder completes with 'Access is denied. Check credentials and try again.'
Acronis Cyber Protect Cloud: Recovery with reboot fails with "couldn't get upstream token" on a machine with local DNS
Acronis Cyber Protect: Agent inside restored Virtual Machine is automatically disabled
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 Cyber Backup: Recovery to Gen2 Azure VM stuck on 15%
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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 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 Protect Cloud, Acronis Cyber Protect: Linux-based bootable media does not support PERC RAID controllers
Acronis Cyber Protect Cloud: Bootable media creation on macOS fails with "Failed to create bootable media by using Apple Software Restore"
Acronis Cyber Protect: Recovery from Acronis Cloud with bootable media cannot be started with "The selected location does not have any backup data" message when using registration token
Acronis Cyber Protect Cloud: Unable to open iSCSI target in bootable media with "iscsiadm: no records found"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Linux Bootable media - Kernel panic - VFS: Unable to mount root fs on unknow-block(1,0)
Technical Questions & Known Solutions - Device Control
Acronis DLP: an application fails to start or runs slowly
Acronis DLP: various applications fail to start with 'The application was unable to start correctly (0xc0000142)' error
Acronis DeviceLock DLP, Acronis DLP (Device Control module of Acronis Cyber Protect Cloud): Memory leaks
Acronis DLP (Device Control module in Acronis Cyber Protect): Blue Screen of Death (BSoD) after the installation of agent
Acronis Cyber Protect: Adobe Acrobat does not start if Device Control is enabled in protection plan
Acronis DLP: BSOD on Hyper-V host due to Device Control
Acronis DLP: How to resolve the issue of DeviceLock detecting authorized devices as keyloggers
Acronis DLP: "The description for Event ID 260 from source DLDAgent cannot be found." errors are registered in Application event log
Acronis DLP: VirtualBox not starting
Acronis DLP: Google Chrome browser application crashes
Technical Questions & Known Solutions - Antimalware Protection
Acronis Cyber Protect: How to report False Positive and False Negative cases
Acronis Cyber Protect: PUPs (potentially unwanted programs) detection by On-demand Scan
Acronis Cyber Protect Cloud: OS is slow or other software runs slow when antimalware and antivirus protection is enabled
Acronis Cyber Protect: URL filtering does not block website from the blocklist on Google Chrome
Acronis Cyber Protect: Threat feed details are not loading
Acronis Cyber Protect Cloud: multiple alerts "Failed to apply Active Protection policy" are generated on various devices
Acronis Cyber Protect Cloud: Enhanced Security option can't be disabled
Acronis Cyber Protect Cloud: Microsoft Security Essentials interferes with Acronis Cyber Protection
Acronis Cyber Protect Cloud: URL Filtering is blocking cameras
Acronis Cyber Protect Cloud: Active Protection service cannot be started on Windows 7
Acronis Cyber Protect: Dentrix software is flagged as suspicious by Active Protection
Acronis Cyber Protect Cloud: Cyber Protection Monitor doesn't show Antivirus & Antimalware protection
Acronis Cyber Protect Cloud: Multiple e-mails "Malicious URL blocked" about unknown machines
Acronis Cyber Protect Cloud : Acronis Active Protection and Acronis Cyber Protection service fail to start due to Error 577
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 Cloud: Install patches icon is replaced with a question mark for a detected vulnerability
Acronis Cyber Protect: Vulnerability assessment or patch management finishes with "Windows Update Agent returned an error 0x80072efd"
Acronis Cyber Protect Cloud: Vulnerability assesment activity completes with warning "PmWinUpdatesPaused"
Acronis Cyber Protect: Patch management or Vulnerability assessment activities fail with "Failed to parse pending updates JSON fallback"
Acronis Cyber Protect Cloud: Patch management automatically upgrades machine to Windows 11
Technical Questions & Known Solutions - Other Issues
Acronis Cyber Protect: how to fix corrupted archives in network locations
Acronis Cyber Protect: Alert "Protection plan has been revoked from device due to a licensing issue"
Acronis Software: Troubleshooting Application Crashes
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"
"Backup/Activity is not responding" alert
Acronis Cyber Protect, Acronis Cyber Backup: Installation of third-party Antivirus fails if Acronis Agent is installed
Acronis Software: Troubleshooting application lockups
Using OpenSSL to troubleshoot connection issues caused by firewalls and DPI software
Acronis Backup: Troubleshooting Pre/Post Commands Issues
Acronis Cyber Protect: Troubleshooting hardware resources overuse (high CPU, memory usage) and performance issues
Acronis Cyber Protect Cloud: Troubleshooting "Cyber Protection (or Active Protection) service is not responding" and "Active Protection service is not running" alerts
Acronis Cyber Protect Cloud: machine is offline in Cyber Protection console
Spotting and fixing hardware I/O errors (disk errors) on Linux
Acronis Cyber Protect: Acronis services are not running or connection to Acronis Agent fails with "Failed to establish local connection"
Acronis Cyber Protect: Backup and other operations fail with "Request to cloud storage ':80/api/1/rpc/' has failed"
Acronis Cyber Protect Cloud: "Windows Defender preferences cannot be controlled because Tamper protection feature is enabled" alert
Acronis Cyber Protect Cloud: cloned machine is not listed in Devices
Acronis software creates a temporary file during snapshot
Acronis software: How to troubleshoot EWS connection by using EWSEditor
Acronis Bootable Media Does Not Detect HDD, RAID or NIC
Acronis Cyber Protect Cloud: Acronis task manager service is consuming high amount of CPU and multiple warnings are shown in Acronis Console.
"Backup finished with warning", "Activity finished with warning", "Activity failed" alerts
Acronis Cyber Protect Cloud: Grant the 'Full Disk Access' permission to the Cyber Protection agent
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: Agent update fails with "Task timeout expired. The agent that is responsible for processing the task is not accessible"
Acronis Cyber Protect: incremental disk backup size exceeds the size of changed files
Acronis software: 'Legacy system extension' message on macOS 10.15
Acronis Cyber Protect Cloud, Acronis Cyber Backup: incorrect cloud storage usage
Acronis Cyber Protect, Acronis Cyber Backup: all or some VMware virtual machines do not appear in the console
Acronis Cyber Backup: troubleshooting synchronization issues between Agents and Management Server
Acronis Cyber Protect Cloud: Backup succeeded with warning: "Windows error: (0x800700E1) The operation could not be completed because the file contains a virus or potentially unwanted software."
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 Cloud: atp_database_mirror.exe consumes a lot of network bandwith and disrupts network connectivity
Acronis Cyber Protect Cloud: Machine fails to boot because of missing ngelam.sys
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: 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 Cloud: Acronis Agent Core service fails to start due to corrupted .yaml file
Acronis Cyber Protect: deleted archive is shown in backup location and attempt to delete it fails with "Cannot find archive 'ID'
Acronis Cyber Protect: Activity fails with "An internal error. Please contact the support team"
Acronis Cyber Protect Cloud: email notification is not received
Acronis Cyber Protect Cloud: Activity fails with an error "invalid_grant", "couldn't get upstream token, failed to get upstream token provider" or "couldn't get upstream token, the agent is not registered with an upstream server"
Acronis Cyber Protect Cloud: which URL to choose for login
Acronis Cyber Protect Cloud: 4 instances of mmsmonitor.exe
Acronis Cyber Protect Cloud: Local Agent for Microsoft 365 does not support multi-factor authentication
Acronis Cyber Protect Cloud, Acronis Cyber Backup: transaction logs are not truncated after a backup
Acronis Cyber Protect Cloud: Configuring Google Workspace account fails with "ExternalRequestFailedError"
Acronis Cyber Protect Cloud: Unable to install LogMeIn / Bitdefender AV after Agent update to 12.5.22210 and higher
Acronis Cyber Protect, Acronis Cyber Backup: SnapAPI issues on Linux with kernel 5.8
Acronis Cyber Protect: Attempt to remove backup or recover files fails with "The machine is offline or is not available"
Acronis Cyber Infrastructure: "User is not allowed to register/unregister storages" error
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Troubleshooting
Acronis Cyber Protect Cloud: access ports and hostnames
Acronis Cyber Protect, Acronis Cyber Backup: Cleanup Utility
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15 and Acronis Cyber Backup 12.5: Connection Verification Tool
Acronis Cyber Protect Cloud: Registering backup agent manually
Acronis Scheduler Manager and how to collect debug logs
Acronis cloud certificate location
Acronis Cyber Protect: VSS writer has failed to process the snapshot
Acronis Cyber Protect: Troubleshooting failing "Updating Cyber Protect definitions" activities
Acronis Cyber Protect, Acronis Cyber Backup: Changing Temp Files and Folder Location
Acronis Cyber Protect Cloud: Collecting tcpdump in Acronis Linux
Acronis Cyber Protect 15, Acronis Cyber Protect Cloud: Activity fails with "DNS hostname resolution error"
Acronis Cyber Protect Cloud: Activity fails with "Failed to connect to the Agent Core service on this machine"
Acronis Cyber Protect: Backup of VMware ESXi VMs fails with "Failed to authenticate with the guest operating system using the supplied credentials"
Acronis Cyber Protect Cloud plugin for ConnectWise Automate: how to collect debug logs for ConnectWise Automate plugin
Acronis Cyber Protect Cloud: Troubleshooting "Fatal error during installation" by agent auto-update and remote update
Acronis Cyber Protect Cloud: Enabling Automatic Dump Creation for Acronis Processes
How to check whether Acronis DLP (Data loss prevention) Agent is causing issues
Acronis Cyber Protect Cloud, Acronis Cyber Protect: Collecting VMware VDDK Logs
Acronis Cyber Protect: SQL backup fails with "Unable to find an object that meets the following criteria"
Acronis Cyber Protect: Snapapi fails to build on CloudLinux 7 with a hybrid kernel
Acronis Cyber Protect: C2C backup of Microsoft 365 items is slower than expected due to Microsoft throttling
Acronis Cyber Protect Cloud: printer issues when Agent is installed
Acronis Cyber Protect Cloud: Troubleshooting HDD Detection Issues
Acronis Cyber Protect: troubleshooting performance issues in Microsoft Office software when Agent is installed
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: Troubleshooting cscript issues
Acronis Cyber Protect Cloud: Agent auto-update or remote update fails with "One or several critical issues are found"
Acronis Cyber Protect Cloud: Troubleshooting stuck "Updating Cyber Protect definitions" activities