---
title: "fault tolerance"
description: " The capability of the software product to maintain a specified level of performance in cases of software faults (defects) or of infringement of its specified interface. "
type: term
term_id: 214
language: English
language_code: gb
canonical: "https://glossary.istqb.org/en/term/fault-tolerance"
slug: "fault-tolerance"
url: "https://istqb-glossary.page/fault-tolerance/"
---

# fault tolerance

 The capability of the software product to maintain a specified level of performance in cases of software faults (defects) or of infringement of its specified interface. 

## Present in syllabi


- Advanced Technical Test Analyst 2012
- Foundation Extension - Acceptance Testing 2019

## Translations


- [Deutsch](https://istqb-glossary.page/de/fehlertoleranz/) — Fehlertoleranz
- [Polski](https://istqb-glossary.page/pl/tolerowanie-usterek/) — tolerowanie usterek
- [Português](https://istqb-glossary.page/pt/tolerancia-a-falhas/) — tolerância a falhas
- [Čeština](https://istqb-glossary.page/cz/odolnost-vuci-vadam/) — odolnost vůči vadám

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

Markdown variant of the HTML page at https://istqb-glossary.page/fault-tolerance/ — 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.