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 Cloud: New Microsoft 365 licensing (introduced in C21.10)
Acronis Cyber Cloud FAQ
Acronis Cyber Protect Home Office and Acronis Cyber Protect: required security updates for Windows 7
Acronis Cyber Cloud: FAQ for trial users
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: Next backup date is in the past or "Never" after C22.02 release
Acronis Cyber Cloud: Downloading APS package
Acronis Cyber Protect Cloud: Patch management automatically upgrades machine to Windows 11
Acronis Cyber Protect Cloud: Email notifications are not being sent
Acronis Cyber Cloud Omnivoice integration: Omnivoice FAQ

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 Cloud: access ports and hostnames
Acronis Software: exclude program folders and executables from antivirus and other security programs
Antimalware detection test files and URLs
Windows 11 support in Acronis products
Acronis Cyber Cloud: released builds
Acronis Cyber Protect Cloud, Acronis Cyber Backup: required managed machine service user rights
Acronis Software: free VMware ESXi support
Acronis Cyber Protection: comparison of editions
Acronis software: Windows mapped network drives are not supported
Acronis Products: Windows Server 2012 support
Acronis Cloud security and privacy
Acronis Universal Restore
Acronis Cyber Protect: compatibility with Windows BitLocker
Acronis Cyber Protect: Backup Files/Folders are missing when browsing from Backup Console
Windows 8 support in Acronis products
Acronis Cyber Protect Cloud: Mass Enablement Script for maintenance notifications
Acronis Cyber Protect Cloud: Windows Services and Processes
Solid state drive support in Acronis products
Windows 10 support in Acronis products
Acronis Cyber Protect Cloud: storage and devices quotas and overage
Acronis Cyber Protect Home Office and Acronis Cyber Protect: required security updates for Windows 7
Acronis Cyber Cloud API
Active Protection for Linux: Supported kernel versions
Acronis Cyber Cloud services availability by datacenter
Ext4 Support in Acronis Products
Acronis Cyber Protect Cloud: where can backups be stored
Acronis Cyber Protect Cloud: 'version 12' backup format (archive3)
Acronis Cyber Protect Cloud: One Click Recovery
Retention rules: how and when they work
Acronis Cyber Protect Cloud: Immutable storage
Acronis Cyber Protect Cloud: what happens with data when Plan/Agent is deleted
Acronis Cyber Protect Cloud: Recommendations for recovering large SharePoint Online sites
Acronis Cyber Protect: LDM volumes support
Acronis Cyber Protect Cloud: Google Workspace option is missing from the menu 'Add devices'
Acronis Cyber Protect Cloud: Issues with synchronization between Microsoft 365 and Acronis console
Backup Algorithm in ESX Environment
Acronis Cyber Protect Cloud, Acronis Cyber Backup: vCenter Server Virtual Appliance support
Acronis Cyber Protect Cloud: Resumable Backup technology
Available languages of Acronis products
Acronis Cyber Protect: Linux kernel 5.9+ support
Acronis Cyber Protect: KVM support
Acronis Cyber Protect: is Acronis Secure Zone included in Entire Machine backup?
Backup Extension for Windows Azure Pack
Acronis Cyber Protect Cloud: local storage usage calculation
Acronis Cyber Protect Cloud: deployment implementations
Acronis Cyber Protect Cloud: impossible to load into Acronis boot environment during forensic backup if Bitlocker is enabled
Acronis Cyber Protect Cloud: VM quota acquisition
Acronis Cyber Cloud for WHMCS: Supported languages
Acronis Cyber Protect Cloud: supported relational databases

How-tos

Acronis Cyber Protect Cloud: Registering backup agent manually
Acronis Cyber Protect Cloud: Collecting system report
Acronis Cyber Protect Cloud: Installing Agents
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: how to create a WinPE-based 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
Acronis backup software: Using custom SnapAPI Module in Linux
Acronis Cyber Protect Cloud: How to restore files
Acronis Cyber Protect Cloud: How to restore disks
Acronis Cyber Protect, Acronis Cyber Backup: how to continue backing up to an existing archive with a new backup plan
Acronis Cyber Protect Cloud: manual uninstallation
Acronis Cyber Protect Cloud: Unattended Installation and Repairing of Agents on Windows
Acronis Cyber Protect Cloud: Manual Uninstallation of Backup Client for Linux
Acronis Cyber Protect, Acronis Cyber Backup: Backing Up MySQL
Acronis Cyber Protect Cloud: how to change storage and agents quotas and overage
Acronis Cyber Cloud: Branding Web Console URL
Acronis Cyber Protect, Acronis Cyber Backup: How to back up domain controller
Viewing Build Number in Acronis Products
Acronis Cyber Protect: How to deploy and update Agent for VMware (Virtual Appliance)
Acronis Cyber Protect Cloud: backing up a NAS
Acronis Cyber Cloud: New Advanced licensing and EoL of Legacy licensing
[MAC] Using archive_ctl CLI tool to test upload and download speed to/from a cloud storage location
Acronis Cyber Protect: Migrating Machines to Amazon EC2 and Microsoft Azure
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backing up to removable devices with regular drive swaps
Acronis Cyber Protect Cloud: how to validate an archive using acrocmd
Acronis Cyber Protect Cloud: how to turn business and service notifications on and off
Acronis Cyber Protect Cloud: how to set up backup schedule
Acronis Cyber Cloud: how to change Cloud resources on tenant level
Acronis Cyber Cloud: how to add a backup location based on Acronis Cyber Infrastructure
Acronis Cyber Protect Cloud, Acronis Cyber Backup 12.5: how to disable Cyber Protection Monitor
Acronis Cyber Protect Cloud: Web Restore or Web Recovery Console
Acronis Cyber Protect Cloud: Maintenance notifications
Making Acronis Products Compatible with Antivirus Software
Acronis Cyber Protect Cloud: how to update to the latest build
Acronis Cyber Protect Cloud: using Physical Data Shipping and Large Scale Recovery services
Acronis Cyber Protect Cloud, Acronis Cyber Backup: how to optimize resource usage and backup performance
Acronis Cyber Protect Cloud: how to update the credentials to Microsoft SQL/Exchange databases in the web console
Acronis Cyber Protect: How to configure static routes for Virtual Appliance
Changing Keyboard Language in Acronis Bootable Media
Acronis Cyber Protect Cloud: how to change vCenter/ESXi User
Acronis Cyber Protect Cloud: How to check a membership for an Office365 SharePoint site
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: how to disable or delete a tenant or a user
Acronis Cyber Protect Cloud: How to find Tenant ID
Acronis Cyber Protect: Microsoft 365 application permissions
Acronis Cyber Cloud: How to find storage address
Acronis Cyber Protect Cloud: how to change a Backup Account
Acronis Cyber Protect Cloud: Acronis Agents auto-update (mass update)

Technical Questions & Known Solutions - Installation, Update

Acronis Cyber Protect: Installation in Linux finishes with "Failed to build the SnapAPI kernel module"
Acronis backup software: installation fails with "Failed to grant priviledge to user" or "Failed to add user to group 'Backup Operators'"
Acronis Cyber Protect: Remote installation of agent fails with error „HTTP 402“
Acronis business backup solutions and Acronis True Image Cannot Be Installed on the Same Machine
Acronis Cyber Protect Cloud: Manual removal and cleanup of Agent for Linux
Acronis Cyber Protect Cloud: Snapapi fails to build on on Debian 11 kernel 5.10.0-10
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, Acronis Cyber Backup: "0x530128 SOAP 1.1 fault: SOAP-ENV:Client" error
Acronis Cyber Protect Cloud: Agent installation fails with "Windows cannot verify the digital signature for this file"
Acronis Cyber Protect Cloud: Agent update installation fails with "SSL peer certificate or SSH remote key was not OK"
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 Cloud: Installation fails with 'MainEngineThread is returning 1601 MSI'
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: "Failed to get SID of group '....."
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"
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: Agent update hangs or fails if DeviceLock service cannot be stopped during installation
Acronis Cyber Protect: Remote installation fails with error "An unknown error occurred trying to verify the signature of the file"
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 Cloud: installation fails with 'The digital signature of the object did not verify'
Acronis Cyber Protect Cloud: Agent installation fails on registration step with "Error 0x26a001a: Random bytes generation failed"
Acronis Cyber Protect Cloud: Agent installation fails with "Failed to install the Visual C++ Redistributable Package"
Acronis Cyber Protect Cloud: installation fails with "An error occurred during the installation of assembly" and "Microsoft.VC80.CRT,publicKeyToken"
Acronis Cyber Protect Cloud: Agent installation fails with "Certificate did not pass verification"
Acronis Backup for Plesk/cPanel: Update of Linux machine to build 22750 fails with "Mount points of kernel module 'snumbd26' are detected"
Acronis products: Installation fails while installing over a previously deleted product
Acronis Cyber Protect: How to change default port of mms.exe process (Acronis Managed Machine service)
Acronis Cyber Protect Cloud: Agent auto-update fails with "Failed to download installation file from the server"
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: Snapapi fails to build on CloudLinux 7 with a hybrid kernel
Acronis Cyber Cloud: Upgrade to Acronis APS package v2.2-2503 fails with "SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed"
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 auto-update and Live update do not start
Acronis Cyber Protect integration with Plesk/cPanel: Agent installation on AlmaLinux fails with "NotSupportedLinuxDistrError: Unsupported linux distributive "almalinux"
Acronis Cyber Protect Cloud: Agent uninstallation creates a registry record in PendingFileRenameOperations preventing installation of other software
Acronis Cyber Protect Cloud: Installation fails with "Fatal error during installation. Failed to wait for filter driver 'ngscan' to unload" or "The activity failed because the cyber protection agent process terminated unexpectedly"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: installation fails with "MainEngineThread is returning 1632"
Acronis Cyber Protect: backup or Agent installation fails when using Agent 26822 or later
Acronis Cyber Protect Cloud: Agent installtion or registration fails with "error 0x2260006: Could not resolve host: localhost"
Acronis Cyber Protect Cloud: Remove update of Acronis Agent on Linux with cPanel fails with "Create temp file /var/tmp/def_config error"
Acronis Cyber Protect Cloud cannot be installed on the machine with R1Soft
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: installation fails with "This distribution of Acronis Cyber Protect Agent can only be installed on Mac with Apple Silicon CPU"
Acronis Cyber Backup, Acronis Cyber Protect: Installation on Debian Fails with "Cannot execute binary file"
Acronis Cyber Protect Cloud: Live update does not start
Acronis Cyber Protect Cloud: Agent auto-update fails with "Internal error of the installation or update service. Error: CopyFilesFailed"
Acronis Cyber Cloud Integration with ConnectWise Automate: Agent update Automate script fails
Acronis Cyber Protect Cloud: Agent auto-update gets stuck or fails with "Internal error of the installation or update support service. Error: UnexpectedInstallerStop"
Acronis Cyber Protect Cloud: Agent installation on Domain Controller fails with LocalGroupAdd errors
Acronis Cyber Protect Cloud: Virtual Appliance update does not start

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 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
Acronis Cyber Infrastructure: SPLA license registration in Acronis Cyber Cloud fails with "code:access_denied: Failed to authorize"
Acronis Cyber Backup: you receive "Quota exceeded" error, but do not use cloud storage
Acronis Cyber Protect Cloud: Hyper-V VMs are recognized as physical and can't be protected with Virtual machine quotas

Technical Questions & Known Solutions - Agent Registration

Acronis Cyber Protect Cloud: Update/Registration fails due Let's Encrypt certificate without cross-sign
Acronis Cyber Protect Cloud: Agent registration fails with "failed to register agent: failed to validate possible tenant change: no access to tenant"
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: troubleshooting Agent registration issues
Acronis Cyber Protect: registering Virtual Appliance fails with "The registration in service 'https://cloud.acronis.com' has failed"
Acronis Cyber Protect: Agent registration fails with "Access denied"
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: Configuring Google Workspace account fails with "ExternalRequestFailedError"
Acronis Cyber Protect: How to change default port of mms.exe process (Acronis Managed Machine service)
Acronis Cyber Protect Cloud: agent registration fails with "Outgoing connections are not available for the following ports: hostname:44445"
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15: MMS service cannot be started, error "error 0x30002: CannotBind"
Acronis Cyber Protect Cloud: Agent registration fails with "A device cannot be registered for a partner account"
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: backup or Agent installation fails when using Agent 26822 or later
Acronis Cyber 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: Agent re-registration fails after user or tenant removal
Acronis Cyber Protect: Agent registration fails with "failed to validate possible tenant change: unintended tenant change"

Technical Questions & Known Solutions - Backup

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 "VSS writer 'SqlServerWriter' with class ID 'A65FAA63-5EA8-4EBC-9DBD-A0C4DB26912A' has failed to process the snapshot"
Acronis Cyber Protect: Troubleshooting Hyper-V snapshot issues
Acronis Cyber Protect: Backup Fails with "There is not enough space on the volume where the snapshot storage is located"
Acronis Cyber Protect: VSS Troubleshooting Guide
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 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, 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 Cloud Integration with DirectAdmin: Backup fails at the ‘Executing pre-data capture command’ step
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 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 Integration with cPanel & WHM/ Plesk/ DirectAdmin: Protection plan management via plugin is unavailable
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 Cloud, Acronis Cyber Backup: backup fails with 'The shadow copy provider had an unexpected error while trying to process the specified operation'
"Backup did not start" alert
Acronis Cyber Protect Cloud, Acronis Cyber Backup: backup fails with "CRC error" or "Failed to read the snapshot"
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 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: 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, 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 Software: Troubleshooting Scheduled Backup Issues
Acronis Cyber Protect: Backup to Synology NAS with DSM 7.0-41890 fails with "The credentials for location are not specified"
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: Backup fails with "Unknown status"
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 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, Acronis Cyber Backup: Backup Fails with "Logon failure: unknown user name or bad password"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Activity fails with "The specified file does not exist"
Acronis Cyber Protect: Backup fails with "Illegal operation attempted on a registry key that has been marked for deletion"
Acronis Cyber Protect Cloud: Backup fails with "There is not enough free space" or "There is not enough free space in the backup destination"
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: backup start time selection is not available for Microsoft 365 C2C backup or backup is in queued state
Acronis Cyber Protect Cloud: backup fails with TLS/SSL-related errors
Acronis Cyber Protect Cloud: Backup fails with "The activity has failed due to a crash of Service Process" on build 15.0.29896
Acronis Cyber Protect: Attempting to access an encrypted backup archive fails with "The password for the protected backup is incorrect"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Backup fails with "The device is not ready"
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Activity fails with "Misc network error"
Acronis Cyber Backup: Operation fails with "Failed to lock the file"
Acronis Cyber Protect Cloud: after updating the agent for Linux the backup fails with the error "certificate signed by unknown authority"
Acronis Cyber Protect: Backup fails with "Windows error: (0x800705B4) This operation returned because the timeout period expired"
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 Backup: Disk backup fails with "Incorrect function"
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 Protect Cloud, Acronis Cyber Backup: Activity fails with "Operating system error: The shadow copy provider had an error"
Acronis Cyber Protect: backup or recovery of mailboxes fails with "The account does not have permission to impersonate the requested user"
Acronis Cyber Protect: Agent update hangs or fails if DeviceLock service cannot be stopped during installation
Acronis Cyber Protect Cloud: How to check a membership for an Office365 SharePoint site

Technical Questions & Known Solutions - Restore

Acronis Backup Software: BSoD after Restore to New Hardware with "Stop 0x0000007B" Due to Missing Drivers
Acronis Cyber Protect, Acronis Cyber Backup: Operation fails with "Windows error: (0x8007051F) There are currently no logon servers available to service the logon request"
Acronis Cyber Protect: backup or recovery of mailboxes fails with "The account does not have permission to impersonate the requested 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 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: "Activity 'Refreshing recovery points' failed. The credentials for location are not specified."
Acronis Cyber Protect Cloud, Acronis Cyber Backup: recovery of disks or volumes fails with "Resize error"
Acronis Cyber Protect Cloud: Recovery with reboot fails with "couldn't get upstream token" on a machine with local DNS
Acronis Cyber Protect: Mailbox backup or recovery fails with "Failed to connect to Microsoft Exchange API using url '{0}'"
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, Acronis Cyber Backup: VM recovery fails with "The disk configurations of the backed-up machine and the target machine differ"
Acronis Cyber Protect Cloud: troubleshooting recovery failures
Acronis Cyber Protect Cloud: Recovery fails with "No disk space or quota"
Acronis Cyber Backup 12.5: Backup or recovery fails with "Access denied" after Exchange update
Acronis Cyber Backup 12.5, Acronis Cyber Protect Cloud: Files are 0 Bytes after download if they have reparse points attribute
Acronis Cyber Cloud for Plesk: how to recover a backed up server to a new one
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: size of individual slices (recovery points) is missing
Acronis Cyber Protect Cloud: Troubleshooting Application Malfunction or Files Corruption after Recovery
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: Web Restore access failure
Acronis Cyber Protect Cloud, Acronis Cyber Backup: Impossible to recover files to the original VM in case of agentless backup
Acronis Cyber Protect: Restore fails with "The system cannot find the path specified" if path contains more than 260 symbols
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: source files with non-UTF8 encoding in file names cannot be recovered
Acronis Cyber Protect Cloud: Recovery of a deleted private channel fails with "A backup agent error: 'Channel was not restored'"
Acronis Cyber Backup Integration with Plesk/cPanel: mounting a recovery point fails if backup contains exclusions
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: recovered machine fails to boot with BSOD c00002e2
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 Cloud: Attempt to download files via "More ways to recover" fails with ERR_TOO_MANY_REDIRECTS
Acronis Cyber Cloud for Plesk: Cannot see the content of a recovery point with user account in self-service mode
Acronis Cyber Protect Cloud: Recovery of a private channel fails with "Cannot create private channel, user is not part of team"
Acronis Cyber Protect Cloud: Backup Storage tab does not load
Acronis Cyber Cloud: "Error 2020: Got packet bigger than 'max_allowed_packet' when dumping table wp_options"
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: Recovery points from local or network destinations are not loading if Quota for Cloud resources is disabled
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 points displayed incorrectly after refresh
Acronis Cyber Protect, Acronis Cyber Backup: Recovery to Gen2 Azure VM stuck on 15%
Acronis Cyber Protect Cloud: Recovery requires user interaction and shows 'Failed to read data from the disk' message
Acronis Cyber Cloud: cPanel/WHM Integration plugin may return an empty slice list if multi-machine webcp protection plan is applied
Acronis Cyber Protect Cloud, Acronis Cyber Backup: recovery of mailboxes fails with "Insufficient rights for PowerShell command execution 'Get-User'"
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: browsing a 1TB+ GPT partition in cloud backup fails with "Server is not available at the moment"

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 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 Protect Cloud, Acronis Cyber Backup: Linux Bootable media - Kernel panic - VFS: Unable to mount root fs on unknow-block(1,0)
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"

Technical Questions & Known Solutions - Device Control

Acronis DLP: "The description for Event ID 260 from source DLDAgent cannot be found." errors are registered in Application event log
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 DLP: How to resolve the issue of DeviceLock detecting authorized devices as keyloggers
Acronis DLP: Google Chrome browser application crashes
Acronis DLP: an application fails to start or runs slowly
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: VirtualBox not starting

Technical Questions & Known Solutions - Antimalware Protection

Acronis Cyber Protect: How to report False Positive and False Negative cases
Acronis Cyber Protect Cloud: Active Protection service cannot be started on Windows 7
Acronis Cyber Protect: URL filtering does not block website from the blocklist on Google Chrome
Acronis Cyber Protect Cloud: Enhanced Security option can't be disabled
Acronis Cyber Protect Cloud: OS is slow or other software runs slow when antimalware and antivirus protection is enabled
Acronis Cyber Protect Cloud: Multiple e-mails "Malicious URL blocked" about unknown machines
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: PUPs (potentially unwanted programs) detection by On-demand Scan
Acronis Cyber Protect Cloud: Microsoft Security Essentials interferes with Acronis Cyber Protection
Acronis Cyber Protect: Dentrix software is flagged as suspicious by Active Protection

Technical Questions & Known Solutions - Vulnerability Assessment and Patch Management

Acronis Cyber Protect Cloud: Install patches icon is replaced with a question mark for a detected vulnerability
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 Software: Troubleshooting Application Crashes
Acronis Software: Troubleshooting application lockups
Acronis Cyber Protect: how to fix corrupted archives in network locations
Acronis Cyber Backup: Activity fails with "The process cannot access the file because it is being used by another process" and "Failed to lock the file because it is opened in another program"
Acronis Cyber Protect: Alert "Protection plan has been revoked from device due to a licensing issue"
Acronis Cyber Protect Cloud: machine is offline in Cyber Protection console
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: email notification is not received
"Backup/Activity is not responding" alert
Acronis Cyber Protect: Backup and other operations fail with "Request to cloud storage ':80/api/1/rpc/' has failed"
Spotting and fixing hardware I/O errors (disk errors) on Linux
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, Acronis Cyber Backup: Installation of third-party Antivirus fails if Acronis Agent is installed
Acronis Cyber Protect Cloud: Activities "Optimizing recovery point for fast boot" fail with "Task timeout expired" after C22.07 release
Acronis Cyber Protect: Acronis services are not running or connection to Acronis Agent fails with "Failed to establish local connection"
Acronis Cyber Backup: troubleshooting synchronization issues between Agents and Management Server
Acronis Cyber Protect Cloud: Some protection plans are not visible in Devices tab
Acronis Cyber 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 Bootable Media Does Not Detect HDD, RAID or NIC
Acronis Cyber Protect Cloud: An error "This account is temporarily disabled" appears in Integration plugins
"Backup finished with warning", "Activity finished with warning", "Activity failed" alerts
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 Backup: "Lost connection to the back-end service" error when working in Cyber Protection console
Acronis Cyber Protect Cloud: false disk health alerts about NVMe drive
Acronis Cyber Protect Cloud: Acronis Agent Core service fails to start due to corrupted .yaml file
Acronis Cyber Protect: Agent update hangs or fails if DeviceLock service cannot be stopped during installation
Acronis Cyber Protect: troubleshooting performance issues in Microsoft Office software when Agent is installed
Acronis Cyber Protect: "Cloud Applications" widget is empty after C21.10
Acronis software creates a temporary file during snapshot
Acronis Cyber Protect Cloud: difference between local storage usage in Cyber Protection console and Management Portal
Acronis Cyber Protect: Troubleshooting hardware resources overuse (high CPU, memory usage) and performance issues
Acronis Cyber Protect: deleted archive is shown in backup location and attempt to delete it fails with "Cannot find archive 'ID'
Acronis Cyber Protect Cloud: Microsoft 365 "Users" tab is missing
Acronis Cyber Protect Cloud, Acronis Cyber Backup: AdGuard causes issues with web console
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: Cleared alerts appear in Partner reports and widgets
Acronis Cyber Protect Cloud: Configuring Google Workspace account fails with "ExternalRequestFailedError"
Acronis Cyber Protect, Acronis Cyber Backup: SnapAPI issues on Linux with kernel 5.8
Acronis software: operation Fails with "The activity state has been repaired after unexpected failure"
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: Troubleshooting stuck "Updating Cyber Protect definitions" activities
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: Cyber Protection Monitor is started for each user session on terminal server and causes resources overuse
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."
"Validation failed" alert
Acronis Cyber Protect Cloud: Grant the 'Full Disk Access' permission to the Cyber Protection agent
Acronis Cyber Protect: C2C backup archive size is larger than expected
Acronis Cyber Protect Cloud: Troubleshooting Acronis Storage Registration Issues
Acronis Cyber Protect: impossible to disable Files Sync & Share service although there is no usage
Acronis Cyber Protect: False alerts "Backup status is unknown" despite successful backups

Troubleshooting

Acronis Cyber Protect, Acronis Cyber Backup: Cleanup Utility
Acronis Cyber Cloud: access ports and hostnames
Acronis Cyber Protect Cloud, Acronis Cyber Protect 15 and Acronis Cyber Backup 12.5: Connection Verification Tool
Acronis Cyber Protect Cloud: Registering backup agent manually
Acronis cloud certificate location
Acronis Cyber Protect: VSS writer has failed to process the snapshot
Acronis Cyber Protect, Acronis Cyber Backup: Changing Temp Files and Folder Location
Acronis Cyber Protect Cloud: Activity fails with "Failed to connect to the Agent Core service on this machine"
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, Acronis Cyber Protect Cloud: Activity fails with "DNS hostname resolution error"
Acronis Cyber Protect: troubleshooting performance issues in Microsoft Office software when Agent is installed
Acronis Cyber Protect Cloud: Troubleshooting stuck "Updating Cyber Protect definitions" activities
Acronis Cyber Protect Cloud plugin for ConnectWise Automate: how to collect debug logs for ConnectWise Automate plugin
Acronis Cyber Protect: Snapapi fails to build on CloudLinux 7 with a hybrid kernel
Acronis Cyber Protect Cloud, Acronis Cyber Protect: Collecting VMware VDDK Logs
Acronis Cyber Protect: Troubleshooting failing "Updating Cyber Protect definitions" activities
Acronis Cyber Protect: Backup of VMware ESXi VMs fails with "Failed to authenticate with the guest operating system using the supplied credentials"
Acronis Cyber Protect Cloud: Troubleshooting HDD Detection Issues
How to check whether Acronis DLP (Data loss prevention) Agent is causing issues
Acronis Cyber Protect Cloud: Enabling Automatic Dump Creation for Acronis Processes
Acronis Cyber Cloud: printer issues when Agent is installed
Acronis Cyber Protect: SQL backup fails with "Unable to find an object that meets the following criteria"
Acronis Cyber Protect Cloud: Collecting tcpdump in Acronis Linux