---
title: "Upgrading OneSpan Authentication Server"
slug: "oas-iglnx-upgrading-onespan-authentication-server-3-28"
updated: 2025-07-07T13:49:18Z
published: 2025-07-07T13:49:18Z
canonical: "docs.onespan.com/oas-iglnx-upgrading-onespan-authentication-server-3-28"
---

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

# Upgrading OneSpan Authentication Server

A successful upgrade of OneSpan Authentication Server depends on proper planning and configuration before starting the upgrade process.

> Once the upgrade starts, it cannot be rolled back! Plan your upgrade and prepare all necessary components before starting.