---
title: "failover"
description: "The backup operational mode in which the functions of a system that becomes unavailable are assumed by a secondary system."
type: term
term_id: 819
language: English
language_code: gb
canonical: "https://glossary.istqb.org/en/term/failover"
slug: "failover"
url: "https://istqb-glossary.page/failover/"
---

# failover

The backup operational mode in which the functions of a system that becomes unavailable are assumed by a secondary system.

## Present in syllabi


- Advanced Technical Test Analyst 2012
- Foundation Extension - Gambling Industry Tester 2018
- Advanced Technical Test Analyst 2019

## Translations


- [Deutsch](https://istqb-glossary.page/de/ausfallsicherung/) — Ausfallsicherung
- [Português (Brasil)](https://istqb-glossary.page/br/failover/) — failover
- [Polski](https://istqb-glossary.page/pl/praca-awaryjna/) — praca awaryjna

Read this term online: https://istqb-glossary.page/failover/

Markdown variant of the HTML page at https://istqb-glossary.page/failover/ — part of the
ISTQB Glossary (https://istqb-glossary.page), a linkable, machine-readable
republication of the ISTQB glossary under fair use. No affiliation with ISTQB.