We often take on new clients who do not have Windows update configured with a group policy and while it’s quite simple to set up it’s always nice to have some instructions and screenshots so here they are:
Delivery Optimization vastly improves the efficiency of downloading updates as it allows your computers to download the files from other machines on your local LAN as well as from Microsoft; it is a peer-to-peer (P2P) system. This dramatically decreases the demand on a WSUS server (if you are using one) or the amount of data being pulled from the internet, while massively increasint the speed of transfer as a server that needs a patch will get a small part of the patch from potentially dozens of other computers on your network without impacting performance on those machines at all.
I am certain there are some placed Delivery Optimization should not be used, but I have never run into an organization that did not benefit from it. It is rock solid and just plain better than trying to pull from the Microsoft Content Delivery Network.
Note that Windows Server 2016 supports Delivery Optimization but there are no GUI settings that show it. Delivery Optimization is visible in Server 2019 2022 and 2025 as well as Windows 10 and Windows 11.
These settings will ensure that Windows updates are downloaded but not installed automatically, Delivery Optimization is enabled for all machines on the LAN, and other Microsoft updates are installed.
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