---
title: "Retrospect Engine 20 for Linux System Requirements"
slug: "retrospect-20-for-linux-system-requirements"
updated: 2026-09-14T03:34:52Z
published: 2026-09-14T03:34:52Z
canonical: "docs.retrospect.com/retrospect-20-for-linux-system-requirements"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.retrospect.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Retrospect Engine 20 for Linux System Requirements

System Requirements

## System Requirements for Retrospect Engine 20 for Linux

The Linux Engine is headless and must be managed by Retrospect Console running on macOS.

#### Supported Operating Systems

- 64-bit (amd64) Ubuntu 18.04 - 24.04 Desktop or Server

#### Supported Architectures

- 64-bit Intel/AMD

#### System Recommendations

- 1 GB RAM for each concurrent activity; 4 GB RAM minimum
- 10-15 GB of temporary disk space for each concurrent activity (backup, restore, etc.)
- Adequate storage for backups on local disks or network shares

## System Requirements for Retrospect 20 Console for Mac

#### Supported Operating Systems

- Apple macOS Golden Gate 27
- Apple macOS Tahoe 26
- Apple macOS Sequoia 15
- Apple macOS Sonoma / Sonoma Server 14
- Apple macOS Ventura / Ventura Server 13
- Apple macOS Monterey / Monterey Server 12
- Apple macOS Big Sur / Big Sur Server 11
- Apple macOS Catalina / Catalina Server 10.15
- Apple macOS Mojave / Mojave Server 10.14
- Apple macOS High Sierra / High Sierra Server 10.13
- Apple macOS Sierra / Sierra Server 10.12
- Apple OS X El Capitan / El Capitan Server 10.11.6
- Apple OS X Yosemite / Yosemite Server 10.10.5
- Apple OS X Mavericks / Mavericks Server 10.9.5
- Apple OS X Mountain Lion / Mountain Lion Server 10.8.5 (requires Retrospect Console 19.4)

#### Supported Architectures

- Intel
- Apple Silicon

#### System Recommendations

- Meet Apple’s guidelines on RAM requirements for the OS version

## System Requirements for Retrospect 20 Client for Mac

#### Supported Operating Systems

- Apple macOS Golden Gate 27
- Apple macOS Tahoe 26
- Apple macOS Sequoia 15
- Apple macOS Sonoma / Sonoma Server 14
- Apple macOS Ventura / Ventura Server 13
- Apple macOS Monterey / Monterey Server 12
- Apple macOS Big Sur / Big Sur Server 11
- Apple macOS Catalina / Catalina Server 10.15
- Apple macOS Mojave / Mojave Server 10.14
- Apple macOS High Sierra / High Sierra Server 10.13
- Apple macOS Sierra / Sierra Server 10.12
- Apple OS X El Capitan / El Capitan Server 10.11.6
- Apple OS X Yosemite / Yosemite Server 10.10.5
- Apple OS X Mavericks / Mavericks Server 10.9.5
- Apple OS X Mountain Lion / Mountain Lion Server 10.8.5 (To backup OS X 10.8.5, use Retrospect Client 19.4 with Linux Engine 20.0.)

#### Supported Hardware

- Intel processor with one or more multicore processors
- Apple Silicon processor with one or more multicore processors

#### System Recommendations

- Latest Software Update for OS X
- Meet Apple’s guidelines on RAM requirements for the OS version

#### Protecting Servers

Backing up server OS clients requires Retrospect Multi Server or other Server edition with available Server Client Licenses.

## System Requirements for Retrospect 20 Client for Windows

#### Supported Operating Systems

- Microsoft Windows 10, 11
- Microsoft Windows XP, Vista, 7, 8
- Microsoft Windows Server 2003, 2008, 2012, 2012 R2, 2016, 2019, 2022, 2025
- Microsoft Windows Server Core 2008 R2, 2012, 2016, 2019, 2022
- Microsoft Windows Server Essentials 2012, 2016
- Microsoft Windows SBS 2003, 2008, 2011
- Microsoft Windows Storage Server 2003, 2008

#### Supported Hardware

- Intel processor (64-bit only) with one or more multicore processors
- For 32-bit client support, please use Retrospect 18.5.3 engine and client.

#### System Recommendations

- Latest Service Pack for Windows
- Meet Microsoft’s guidelines on RAM requirements for the OS version

#### Protecting Servers

Backing up server OS clients requires Retrospect Multi Server or other Server edition with available Server Client Licenses.

## System Requirements for Retrospect 19 Client for Linux

#### Supported Operating Systems

The following Linux distributions are supported on x86 and x64:

- CentOS 6.4, 6.5, 7, 7 Update 3
- Red Hat Enterprise Linux 7, 7 Update 3
- Debian 7.6, 8, 9
- Ubuntu 14.04 - 24.04
- SUSE 11 Enterprise Server 11 SP2 and SP3, 11.4, and 12.2

#### Protecting Servers

Backing up server OS clients requires Retrospect Multi Server or other Server edition with available Server Client Licenses.

**Note**: In a future update, Linux clients running on server-level Linux distributions will be treated as server clients.