Install .net 3.5 on Windows 10
By default Windows 10 and Server 2016 dosnt have the install files needed to add .net 3.5. So when you try to install it like any other feature it fails. In order to install .net 3.5 you will need windows 10 or server 2016 install media. Then you can do the fallowing to install .net 3.5 1. Mount windows 10 install media 2. Open a administrator command line 3. Run the fallowing command Replace D:\ with the drive letter of your install media DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs 4. Once the install has completed you will want to restart the computer. You could also copy the files from the install media and place them on a share to use this in a Task Sequence. Simple place the command in a run command task.