Synology Active Backup for Business Agent

Synology Active Backup for Business Agent 3.2.5554

Active Backup for Business is an all-in-one backup solution for Synology NAS, designed for streamlining and enhancing data protection in businesses' diverse IT environments.

  • By Synology Inc.
  • Proprietary
  • Updated Oct 12, 2026
Download for Windows

About Synology Active Backup for Business Agent

Active Backup for Business Agent must be installed on every Windows device, Mac computer, and Linux physical server you want to protect. You can perform a set of administration, including task management and template configuration, in Active Backup for Business console.

What's new in 3.2.5554

Compatibility & Installation
1. Updated for compatibility with Active Backup for Business 3.2.2.
What's New
1. Supports installing and running the macOS agent as a native universal binary on Intel and Apple silicon Macs without requiring Rosetta.
Fixed Issues
1. Fixed an issue where Windows Smart App Control might display warnings for unsigned DLL files installed with the Windows backup agent.
2. Fixed an issue where a full Windows backup might run instead of an incremental backup because change block tracking (CBT) failed despite a successful volume snapshot.
3. Fixed an issue where scheduled or event-triggered backup tasks might be unexpectedly skipped after a temporary network disruption.
4. Fixed an issue where the backup agent service might stop unexpectedly when an error occurred during a backup task.
5. Fixed an issue where a volume might be unexpectedly unmounted during backup on certain RHEL and CentOS 7.9 servers.
6. Fixed an issue where files might appear missing or empty if a backup ran immediately after a Linux server's volume was unmounted or the server was restarted.
7. Fixed multiple security vulnerabilities.
8. Fixed an issue where the Windows backup agent service might stop unexpectedly during backup when the snapshot returned incomplete information.

Full release notes »

Technical details

PublisherSynology Inc.
Version3.2.5554
Release date2026-10-12
LicenseProprietary
Installer typemsi
Architecturex86, x64
Package IDSynology.ActiveBackupForBusinessAgent

Links & install command

Install Synology Active Backup for Business Agent from the command line with Windows Package Manager (winget):

winget install --id=Synology.ActiveBackupForBusinessAgent -e

backupnasstorage

Older versions

  • 3.2.5059
  • 3.2.5053
  • 3.1.4967
  • 3.1.4960
  • 3.1.4957
  • 3.1.4948
  • 3.0.4638
  • 3.0.4631
  • 2.7.3235