Skip to main content
Knowledge Base
English
Deutsch
日本語
Français
Italiano
Español
Any
Acronis Cyber Protect Home Office
Acronis Cyber Protect 15
Acronis Cyber Protect Cloud
Acronis True Image 2021
Acronis Disk Director 12 Home
Acronis Cyber Backup 12.5
Acronis Snap Deploy 6
Acronis Detection and Response
Acronis Disk Director 12.5
Acronis Cyber Files
Acronis Files Connect (formerly ExtremeZIP)
MassTransit
Acronis Cloud Manager (formerly 5nine Cloud Manager)
Acronis Cloud Migration (formerly 5nine Cloud Migration)
Acronis Cloud Security (formerly 5nine Cloud Security)
Acronis Manager Standard (formerly 5nine Manager Standard)
Acronis DeviceLock DLP
Acronis Cyber Protect Connect
Acronis DLP in Acronis Cyber Protect Cloud
Acronis Cyber Disaster Recovery Cloud
Acronis Cyber Infrastructure
Acronis Cyber Files Cloud
Acronis Cyber Appliance
Acronis Cyber Cloud Integration with WHMCS
Acronis Cyber Platform
Acronis Backup Advanced for vCloud
Acronis Disaster Recovery Service (formerly nScaled DRaaS)
Acronis Revive 2019
ArchiveConnect
Acronis Ransomware Protection
Acronis Monitoring Service
Acronis Storage
Acronis Storage Gateway
Acronis Backup 12
Acronis Backup 11.7
Acronis SharePoint Explorer
Acronis Disk Director 11 Advanced
Acronis Backup for VMware 9
Acronis Backup Service
Acronis Backup 11.5
Acronis Backup and Recovery 11
Acronis Backup and Recovery 10
Acronis True Image 2020
Acronis True Image 2019
Acronis True Image 2018
Acronis True Image 2017
Acronis True Image 2016
Acronis True Image 2015
Acronis True Image 2014
True Image 2013 by Acronis
True Image Lite 2013 by Acronis
Acronis True Image Home 2012
Acronis True Image Home 2011
Acronis True Image Home 2010
Acronis True Image Home 2009
Acronis Disk Director 11 Home
Acronis Disk Director 10.0
Acronis Revive 2017
Acronis vmProtect 8
Acronis Recovery for Microsoft Exchange / for MS SQL Server
Acronis True Image Echo / 9.1
Acronis Snap Deploy 5
Acronis Snap Deploy 4
Acronis Snap Deploy 3
activeEcho & mobilEcho
Acronis Migrate Easy 7.0
Acronis Drive Cleanser 6.0
Acronis Drive Monitor
Acronis Account
Search
Operating system error
Acronis Cyber Protect: Backup fails with "Operating system error: Illegal byte sequence" on MacOS
Symptoms
You run backup of disks or files on Mac device
Backup randomly fails with
“Operating system error: Illegal byte sequence”
Example of full error message: click to expand
