How to install WSUS on Windows Server 2012 R2 Essentials By Mariette Knap wsus, windows update, gpo, Windows Server 2012 R2 Essentials This document describes the steps needed to install WSUS on Windows Server 2012 R2 Essentials. WSUS is a handy tool that is like a local repository for the files needed by your clients from Windows Update and therefor prevents excessive use of bandwidth. WSUS will download the updates from the Microsoft Windows Update server but in some cases it can also be configured to use an upstream WSUS server or act as a replica but that is outside of the scope of this article. Get your free tutorial Get your Technician Kit Free tutorial for registered users only Register a new free account within 30 seconds and get access to this tutorial and many other on this site Register a free account Easy migration kits Migration kit for migrating from one source (for example Windows Server 2012) to a new Windows Server environment built on the latest technology. This kit is ideal if you want to perform the migration of your old server yourself. The kit contains everything to ultimately run your infrastructure on more modern operating systems like Windows Server 2016, 2019, 2022 or 2025. Success guaranteed! Get your easy migration kit All our migration kits and IT Pro Collections are backed with awesome support. In our store, you can choose to purchase support as part of your initial purchase or you can get ad hoc support by creating a support ticket here. Don't want to do it yourself? Migration support is also available through consulting service, contact us.