Knowledge Base

Symptoms Activity finishes with The operation is canceled because the backup window has closed or The activity has been canceled due to the closed backup window Example of full error log: click to expand   Error code: 20250700 Fields: {"$module":"gtob_backup_command_addon_vsa64_21780"} Message: The activity has...

Symptoms You back up Hyper-V virtual machines using Agent for Hyper-V. Agentless backup fails with error: Disk '<...>.vhdx' is not found. Example of full error log: click to expand | error 0x95000d: Failed to perform the requested operation.  | line: 0xd1ab7fa1e56ec835  | file: e:\215\enterprise\disk_manager\daapi1\...

Symptoms Backup of a Hyper-V virtual machine fails with the following error: Failed to obtain associated virtual system settings Example of a full log: click to expand | error 0x728012: Failed to prepare for backup. | line: 0x28314c961de7d52e | file: k:\3917\enterprise\migration\impl\manager_vmbackup.cpp:2111 | function:...

This article provides instructions for running a pre-backup command on a virtual machine when performing agentless backup Introduction This article describes how to prepare and run Pre-Post script inside a guest VM when performing agentless backup using Acronis Agent for Hyper-V. Script is executed using Powershell Direct....

Symptoms Backup fails with "Selected network files or network folders were not found: <NETWORK PATH>" Activity details: Error 0x1350016: TOL: Failed to execute the command. Backup plan <NAME> | line: 0x8d165e86fb81959b | file: e:\306\enterprise\common\tol\command\command.cpp:461 | function: Tol::`anonymous-namespace...

Symptoms Backup fails with the following message: | error 0x10c469: VSS writer 'SqlServerWriter' with class ID 'A65FAA63-5EA8-4EBC-9DBD-A0C4DB26912A' has failed to process the snapshot. To troubleshoot VSS issues, download and run Acronis VSS Doctor available at https://www.acronis.com/en-us/personal/vss-diagnostic-free-tool/ |...

Symptoms Product may hang under specific circumstances. There are 2 types of hanging: Actual hanging. That is a state similar to a crash. That means that software halts and is doing nothing inside. Infinite loop. This means that on the outside the software looks hanging but inside it is doing some actions over and over again. Usually when a...

Scenario We have recently identified a security issue within Agent for Linux installations that may potentially allow unprivileged users to access Agent logs and backup data. We have identified that these files and directories have excessive read permissions (allowing users who are not functioning as backup operators read the files) and recommend...

Symptoms Backup to cloud fails with error: Error code: 103                   Module: 3 LineInfo: 0x8258202786770E01 Fields: {"$module":"disk_bundle_vsa64_3480"} Message: Failed to resolve hostname baas-fes-us2.acronis.com Cause Agent...

Symptoms In Acronis Cyber Backup, you are specifying or updating credentials for Microsoft Exchange. You get this error: | error 0x15d0046: The format of name 'admin' is not supported. | function: AppBackup::ParseUserLogonName or Error code: 1905 Module: 349 LineInfo: 0x07861B1E784838A4 Fields: {"$file":"e:\\578\\...