One of the most common reasons for Windows Server running with slow performance is too many programs running in the background. And you can open Task Manager to close unnecessary programs. There may be too many programs that you don’t need loading when you start computer. And it can make Windows Server 2016 in slow performance.
Windows will try to work with all the files at once, this is the key reason for why Updates is slow. Microsoft needs to speed this up or allow Companies a GPO setting that allows CPU/DISK/MEMORY ressource management.
Happens on physical and virtual Windows 2016 servers, Standard and Datacenter with GUI. After disabling Windows Defender before updating updates take about one and a half hour instead of almost four hours. So part of the problem is Microsofts own feature which is enabled by default..
Why does Windows Server 2016 take so long to download?
The problem is Microsoft is a cheap SOB that makes your 2016 install check every file with the cloud so it can determine how much to download. Its all about saving CPU and bandwidth on your end. Its a cluster. I’m having the same issue with many of my updates on server standard 2016.
Why is Microsoft Windows Update so slow?
There has still been no explanation from MS as to why the download is really very very slow and then installation of updates is also very very slow. This is all exceptionally annoying and good motivation for not using windows in a web server environment.
Why is my Windows Update so slow?
Re-start the system to complete the installation (optional). Windows Update speed may be affected by several factors at each process. Such as network bandwidth, availability of windows update server, local server free resource, and etc.