Application-aware backup fails with one of these errors:
Error code: 34865165
Fields: {"$module":"aavb_backup_command_addon_vsa64_23140"}
Message: Failed to get the metadata from the 'VMware Snapshot Provider' extension library.
------------------------
Error code: 65520
Fields: {"$module":"aavb_backup_command_addon_vsa64_23140","code":2147942402}
Message: The system cannot find the file specified
Backup of a Windows machine fails with error:
Logon failure: unknown user name or bad password.
Acronis Cyber Backup agent receives this error from Windows while trying to access backup source or target.
This article describes how to use Web Restore to retrieve files or folders without using Acronis software.
You restore a machine to dissimilar hardware and apply Acronis Universal Restore.
The process completes successfully, but the restored machine goes to BSoD with error "Stop 0x0000007B".
Operation (backup, recovery, cleanup) fails with the following error:
Windows error: (0x8007051F) There are currently no logon servers available to service the logon request
The recovery of an Exchange database to original location fails with:
Error code: 254
Module: 91
LineInfo: 0x7A0C574AD2E3F5C3
Fields: {"$module":"arx_agent_fork_vsa64_12960"}
Message: It is not allowed to overwrite database <database> during recovery.
You upgraded from Acronis Backup Advanced 11.7 to Acronis Cyber Backup Advanced 12.5 and then to Acronis Cyber Protect 15.
When you try to create or edit a protection plan, the operation fails with the following error:
POR: cannot assign units of different types
Issue in the product.
The issue has been fixed in Build 25729. Please download and install the latest build.
Error code: 54
Module: 482
LineInfo: 5c71ebf434f0c47a
Fields: $module : disk_bundle_vs_38774
Message: Failed to collect all of the data required for single-pass backup of Microsoft SQL Server.
--------------------
Error code: 4354
Module: 87
LineInfo: e4fe5c9fd5e63de8
Fields: $module : aaib_mssql_backuper_vs_38774
This is by design.
The RAID is detected as separate drives
You created Acronis Rescue media on a Mac.
When you attempt to back up the machine with macOS using rescue media, the Backup option is not available. Only recovery can be performed.
The current product design does not support backing up macOS using bootable media.
This applies to all types of bootable media: ISO downloaded from the website, bootable media created under macOS, bootable media created under Windows or Linux.
You set up a backup plan of Windows machine(s) with Policy Rules: [Disk 0] in Items for backup.
Backup fails with errors similar to:
Cannot resolve inclusion rule '[Disk 0]'.
Disk 0 has not been found while processing the 'Disk by number' template
Failed to lock the file
The RAID array is seen as separate drives
This article applies to:
Issue in the Windows Installer.
You are backing up data to QNAP NAS.
When the activity is almost complete, it fails with:
The credentials for location are not specified
Outdated NAS firmware.
Update NAS firmware to the latest version.
If the issue reproduces with the latest version of firmware, collect system information from the affected agent machine, details about NAS(model, firmware version) and contact Acronis Support.
You have installed Acronis Backup Cloud agent for SQL and created a backup plan for a SQL instance.
Backup task fails with this error: "There are no SQL writers." or "The backup of this SQL Server has failed because of a VSS snapshot failure: No SQL writers are found in the operating system."
File-level backup fails with:
Fatal protocol error
Disk/partition backup fails with:
Windows error: (0x80070001) Incorrect function
OR
Activity fails with:
Windows error: (0x800704C8) The requested operation cannot be performed on a file with a user-mapped section open
What should be checked if an Acronis Business product does not accept serial number
This article applies to:
Activity fails with:
DNS hostname resolution error
1. Operation with a backup archive (backup, replication, recovery, etc.) fails with one of the following messages:
Data is corrupted: CRC mismatch or internal data structures mismatch
OR
The archive is corrupted
Backup fails with:
Windows error: (0x800705AA) Insufficient system resources exist to complete the requested service
Backup fails with:
"Windows error: (0x8007045D) The request could not be performed because of an I/O device error"
