Acronis Backup 12.5 Known Solutions

Your Acronis Backup 12.5 quick troubleshooting kit. Below are the most recently published and the most popular articles. The solution you are looking for is most probably right here.

Most recent articles

Scheduler generates large log files on Linux

Add a backup plan to a network share. In Schedule, you set Fits the time interval as start condition.

Scheduler repeatedly writes these messages into log:

2018-10-09T12:33:00+0200 schedwrapper-bin(8985)(1): Task:GetTaskPendingFlags:Start.
2018-10-09T12:33:00+0200 schedwrapper-bin(8985)(1): Task:GetTaskPendingFlags:OK. pending=1024

Recovery to a new virtual machine fails with "Invalid configuration for device '0'"
  1. You recover a VM backup to a new virtual machine on ESXi 6.7 using Agent for VMWare (Windows) or Virtual Appliance.
  2. Activity fails with the following error:

    Invalid configuration for device '0'

Operation fails with "Failed to lock the file"
  1. You create a backup using Version 12 format.
  2. An operation with archive (e.g. applying retention rules) fails with the error message

    Failed to lock the file

Backup fails with "The driver detected a controller error on device"

Symptoms

Activity fails with the following error:

The snapshot creation has failed due to a hardware issue or a conflict with your disk hardware. Windows has reported the following error: 'The driver detected a controller error on Device <Device name>'.

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"

Symptoms

Backup fails with the following error:

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, \Device\X, has a bad block.'.

Backup of network shared folder fails with 'The credentials for network share are incorrect'

When backing up a network shared folder you get 'The credentials for network share are incorrect' error, even though you are able to access this share in Windows File Explorer using the same credentials.

"Database has not been backed up because the database files are not included in the single-pass backup" error

1. You have created an application-aware backup plan for Microsoft SQL Server.

2. Backup completes with this warning message:

SQL Server database <database_name> of instance <instance_name> has not been backed up because the database files are not included in the single-pass backup.

Windows VDI does not work if Agent for Hyper-V is installed

Symptoms

1. You have a Hyper-V host with Virtual Desktop Infrastructure role;

2. You install Acronis Agent for Hyper-V;

3. When you try to create a new automatic collection, creation fails with 

Could not retrieve the virtual desktop template details for <VM_Name>

Cause

SAN policy is set to Offline All during Agent for Hyper-V installation. This change is necessary to prevent Windows from breaking the bootability of the VMs recovered and/or converted from backups by Agent for Hyper-V.

Backup fails with "No volumes have been found while processing the 'Fixed Volumes' template"

You have installed Agent for VMware (Windows) on a machine running Windows. You are backing up this Windows machine.

Backup fails with:

Error code: 6
Module: 377
LineInfo: 0x20E8C00E3FF3FA4F
Fields: {"$module":"agent_protection_addon_vsa64_7001"}
Message: No volumes have been found while processing the 'Fixed Volumes' template.

"Lost connection to the back-end service" error when working in Backup Console

When using Backup Console, you get this error:

Lost connection to the back-end service

 

Most viewed articles

"Failed to Connect to the Process" error

You may get the error as a result of exceeded timeout for disk system initialization. Disk system initialization is executed during backup. To fix it, add a value StartTimeout in Windows registry.

"The shadow copy provider had an unexpected error while trying to process the specified operation"

VSS-Backup fails with "The shadow copy provider had an unexpected error while trying to process the specified operation". To solve this issue, troubleshoot the VSS provider mentioned in the message.

"Backup failed" alert

A backup did not complete successfully.

"Failed to read the snapshot"

You attempt to perform a disk or partition backup that fails with the following error: "Failed to read the snapshot."

"Backup finished with warning", "Activity finished with warning", "Activity failed" alerts

An operation in Acronis Backup 12.5/12, Acronis Backup Cloud, or a customized backup solution based on Acronis Backup Cloud finished with a warning message or failed.

Linux-based bootable media does not support PERC RAID controllers

The RAID array is seen as separate drives

"Backup did not start" alert

This alert is displayed when our product detects that a backup activity was not started at the scheduled time. For example, if a machine was turned off during scheduled backup time, this alert will be displayed the next time it is connected to the Management Server. 

"VSS writer 'SqlServerWriter' with class ID 'A65FAA63-5EA8-4EBC-9DBD-A0C4DB26912A' has failed to process the snapshot"

Symptoms

Backup fails with the following message:

Machine is offline in Backup Management Console

After successful installation, the machine is offline in the Backup management console.

Incomplete backups occupy space; how to delete

You start a backup plan for the first time. After the first backup has not completed (for any reason), you want to delete this incomplete archive, but cannot find it under Backups. Or you notice, that space used in Acronis Cloud is larger than your backups occupy.

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