FAQs & Hot Topics

List of support options for Acronis products
Acronis Backup Service: Quick Start Guide

Security Updates

For information on security updates, visit https://security-advisory.acronis.com

Licensing, Requirements, Features & More

Firewall settings for Acronis products
Acronis Cyber Cloud: access ports and hostnames
Backup archive compatibility across different product versions
Acronis Cyber Backup Cloud: Web Console icons reference
Acronis Software: free VMware ESXi support
Initial Seeding: supported HDD types
Available languages of Acronis products
Acronis Cloud Storage: list of supported countries
Windows 10 support in Acronis products
Acronis Backup Service: Supported Web Browsers
Acronis Backup Service: Licensing
Acronis Products: Windows Server 2012 support
Windows 8 support in Acronis products

How-tos

Acronis Cyber Protect Cloud: Registering backup agent manually
Acronis Cyber Protect Cloud: Installing Agents
Acronis Backup Service: Creating Backup Account
Acronis Cyber Protect Cloud: How to restore disks
Acronis Cyber Protect Cloud: Backup Replication
Acronis backup software: Using custom SnapAPI Module in Linux
Acronis Backup Service: Initial Seeding
Acronis Cyber Protect Cloud: how to update to the latest build
Acronis Cyber Protect Cloud: backing up a NAS
Acronis Cyber Protect Cloud: Manual Installation on Mac
Acronis Cyber Protect Cloud: backing up
Acronis Cyber Protect Cloud: how to change a Backup Account
Acronis Cyber Protect Cloud: how to change vCenter/ESXi User
Acronis Backup Service: How To Modify Quota for a Backup Account
Acronis Cyber Protect Cloud / Acronis Backup Service: Copying Backup Plans
Acronis Cyber Protect Cloud and Acronis Cyber Backup Service: Changing Hostname in Archive Name

Technical Questions & Known Solutions - Installation, Update

Acronis backup software: installation fails with "Failed to grant priviledge to user" or "Failed to add user to group 'Backup Operators'"
Acronis products: Installation log shows message "Failed to grab execution mutex. System error 258."
Acronis business backup solutions and Acronis True Image Cannot Be Installed on the Same Machine
Acronis products: Installation fails while installing over a previously deleted product

Technical Questions & Known Solutions - Backup

"Backup status is unknown" alert
Acronis Backup Software: Backup Fails with "Cannot Continue Backup. There Is Not Enough Free Space on the Drive Where the Snapshot Cache File Is Located."
Acronis Cyber Backup: "Backup is waiting" alert
Acronis Backup Software: Backup of Disk Containing VHD File from Which Machine Is Currently Booted Fails with 'The Specified Volume Is Nested Too Deeply to Participate in the VSS Operation'
"Backup did not start" alert
Acronis Cyber Protect Cloud, Acronis Cyber Backup: backup fails with 'The shadow copy provider had an unexpected error while trying to process the specified operation'
Acronis product fails to back up a VMware virtual machine with "Creating a quiesced snapshot failed" or "An error occurred while quiescing the virtual machine"
Acronis Cyber Protect Cloud: Backup Fails with "No backup items were resolved" or "Cannot resolve inclusion rule"
Acronis Cyber Protect Cloud: Backup Fails with "Job registry is being stopped at the moment"

Technical Questions & Known Solutions - Other Issues

Acronis software creates a temporary file during snapshot
Acronis Backup Software: Task With ID XXX Does Not Exist
"Backup/Activity is not responding" alert
Acronis Backup Service: Registering Licenses Fails

Troubleshooting

Acronis Cyber Cloud: access ports and hostnames
Acronis Cyber Protect Cloud: Registering backup agent manually