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Research Report

Gartner®: The AI reality that will force you to modernize your legacy applications

Autonomous business is arriving faster than your modernization roadmap

Cover of Gartner report: The AI reality that will force you to modernize your legacy applications

Why Gartner expects 40% of modernizations for autonomous business to be late by 2030

Which legacy applications will need to act autonomously, and which need outright replacement

Why waiting for AI technologies to mature is no longer a defensible position

How to move core modernization accountability from IT alone to shared business and IT ownership

How to align a modernization roadmap to an autonomous business roadmap rather than a discrete project timeline

Most core systems have been sitting in a modernization holding pattern, waiting for a watershed event. It has arrived. This Gartner research explains why autonomous business makes deferring legacy modernization untenable, and what application leaders should do first.

What we think you will learn:

Gartner, The AI Reality That Will Force You to Modernize Your Legacy Applications, Graham Wilkins, Tristan Iles, 13 May 2026.

GARTNER is a trademark of Gartner, Inc. and/or its affiliates.

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