Hotpatching in Windows Server 2025

Hotpatching technology on Windows Server 2025 reduces downtime and maintenance windows, but it comes at a price in the truest sense of the word. We look at the technical details of hotpatching, show how to get started, and weigh the pros and cons.

By Thomas Joos

Updated Jul 16, 2026 5:06 PM / Published Jul 7, 2026 3:00 AM 9 min read

Seamstress patch — Photo by Marija Zaric on Unsplash

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Thomas Joos

Thomas Joos is a freelance IT consultant and has been working in IT for more than 20 years. In addition, he writes hands-on books and papers on Windows and other Microsoft topics. Online you can meet him on: https://www.thomas-joos.com.