Failure

Symptoms

Application-aware backup fails with one of these errors:

Error 1

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

When contacting Acronis Customer Central with a technical issue, it is recommended to have Acronis System Information at hand

Symptoms

You try to access the protection console by entering the login page address into the web browser address bar or by clicking on Acronis Cyber Backup shortcut.

After you specify the required credentials, web browser does not connect to Management Console. Possible errors are:

Backup fails with one of these errors:

Windows error: (0x80070035) The network path was not found

or

Cannot connect to the machine where network share 'path' is located. The machine may be offline or is experiencing communication problems due to a network error or lock-up.

Backup fails with:

The backup has failed because 'VSS Writer' has timed out during snapshot creation

 

OR

Windows error: (0x800423F2) VSS writer 'System Writer' with class ID 'E8132975-6F93-4464-A53E-1050253AE220' has timed out. This may be caused by too intensive I/O on the machine at the backup start time. Try to re-schedule the backup to some different time. To troubleshoot VSS issues, download and run Acronis VSS Doctor available at https://www.acronis.com/en-us/personal/vss-diagnostic-free-tool/

This article is for Acronis Cyber Backup 12.5, Acronis Cyber Protect 15 and Acronis Cyber Cloud. If you are using Acronis True Image see this article instead.

Symptoms

Backup to Acronis Cloud fails with message:

Network connection failed due to timeout.

Symptoms

Backup fails with: 

Windows error: (0x8007001F) A device attached to the system is not functioning

Symptoms

Backup fails with: 

"Windows error: (0x8007045D) The request could not be performed because of an I/O device error"

Symptoms

Backup of a Windows machine fails with error:
Logon failure: unknown user name or bad password.

Cause

Acronis Cyber Backup agent receives this error from Windows while trying to access backup source or target.

Symptoms

Operation (backup, recovery, cleanup) fails with the following error:

Windows error: (0x8007051F) There are currently no logon servers available to service the logon request

Symptoms

You get errors when you use Acronis software to connect to  a mailbox or public folder via the Exchange Web Services (EWS) protocol.

Troubleshooting

To verify if an error is related to Acronis software or to the environment, you can use a tool called EWSEditor to connect to the mailbox or public folder that causes errors and check if the error appears. This can be very useful in scenarios when:

Symptoms

Activity fails with:

Windows error: (0x800704C8) The requested operation cannot be performed on a file with a user-mapped section open

While attempting to install LogMeIn Antivirus to a machine that has Acronis Cyber Protect Cloud (build 22210 or newer) already installed the installation fails with:

Installation failed! LogMeIn Antivirus cannot be successfully installed.

or

Bitdefender installation failed Bitdefender could not be installed because it is already existing security software is installed: Acronis Cyber Protect

Symptoms

Backup to NAS or a different activity(replication, validation) fails with:

 Windows error: (0x80070544) The validation information class requested was invalid

Symptoms

You try to add a shared folder or NAS as a backup location or want to recover files from this location.

When specifying credentials for remote resource, you get the following error
External IDs conflict for >1 credentials objects

Cause

Issue in the product.

Solution

Acronis Cyber Cloud: the issue is fixed in Agent build 26077.

Acronis Cyber Protect 15: the issue is fixed in Build 26172.

Symptoms

Backup, replication or another activity fails with:

The path <path> does not exist.

For example: The path "F:/" does not exist.

Or, in older builds:

Windows error: (0x80070002) The system cannot find the file specified

You want to register a machine with Acronis Agent in the management server. Registration fails. You check Acronis Managed Machine service and notice that it is stopped.

When you try to start the service, you get this error (logged in Windows event logs):
Error 0xb9000b: Failed to initialize network module.
| trace level: error
| line: 0xb957662f70a242f
| file: e:\327\enterprise\service\impl\server.cpp:678
| function: Core::ServerImpl::StartNetworkServer
| $module: mms_vsa64_12420
|
| error 0x30002: CannotBind
| line: 0xe6f03fbb500414fa
| file: e:\327\enterprise\common\async_ipc\async\io_base_libevent.cpp:371
| function: AsyncIpc::Libevent::IoBase::Activate
| $module: asyncipc_vsa64_12420

Symptoms

User wants to manually delete a .tib/.tibx backup archive in Explorer, or to modify Acronis configuration files, e.g. to adjust settings of alerts or change default ports for services.

Operation fails with “Access denied” error:

Folder access denied
You need permission to perform this action

Cause

Access to Acronis files may be denied by Acronis Self-Protection.

Symptoms

  1. You try to install Acronis Backup on your Debian machine.
  2. You cannot install neither 64-bit version, nor 32-bit version of Acronis Backup.
  3. Installation fails with :

    Please use installer compatible with x86_64 OS.

Symptoms

  1. You enabled two-factor authentication in Cloud console 
  2. Acronis Backup software is installed as on-premises deployment
  3. You configure backup to Cloud Storage. Backup fails with the following error:
    The credentials for location <account> are not specified.
    Failed to authorize the user.

Symptoms

You try to install Acronis Cyber Backup 12.5 or Acronis Cyber Protect 15 on a machine where a NIC is disconnected or missing. Both Management Server and Agent are selected for installation.

At 99% of installation progress you get an error:

Registration failed.

Backup agent: "Failed to connect to the management server"

Manual registration fails with an error: ZmqGW return empty AMS addresses list

Cause

Issue in the product.

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.

Symptoms

Backup fails with error message:

"POR: Element 'Name' cannot be found"

(note that 'Name' stands for element's name, e.g. "BackupType", "ApplicationName" etc.)

Example of full error log:

Symptoms

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

Cause

Issue in the product.

Solution

The issue has been fixed in Build 25729. Please download and install the latest build.

Symptoms

Installation of Acronis Agent for Windows on a machine with ARM CPU architecture fails with:

This app can't run on your PC.

Cause

Acronis Cyber Backup 11.7, 12.5, Acronis Cyber Protect 15 and Acronis Cyber Cloud services (including Acronis Cyber Backup Cloud) do not support Windows-based machines with ARM and ARM64 CPU architecture.

These Acronis products cannot be installed on ARM-based machines.

Symptoms

  1. You created a backup of a VMware VM using Acronis Cyber Protect 12.5 Virtual appliance.
  2. You recover the backed up VM to the same host with Acronis Cyber Protect 15.
  3. When you boot the VM, it is not possible to change the boot order. The message is:
    All items on this menu cannot be modified in user mode. If any items require change, please consult your systems Supervisor.

Symptoms

  1. You want to update several Hyper-V agents at once under Settings - Agents,
  2. When you select required agent machines, the following error is displayed:

More than one Agent for Hyper-V is selected. Simultaneous update of multiple Agents for Hyper-V is not possible. Please update these agents one by one.

You install Acronis Agent on a Linux machine. Installation completes with this error:

Failed to build the SnapAPI kernel module. Operations with disk-level backups will not be available.

Symptoms

  1. You are backing up a SharePoint Server.
  2. Backup fails with:

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

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