Using this CAB file allows you to install .NET 3.5 or in air-gapped environments.
Do not trust untrusted download sites. Always extract from an official Microsoft ISO or generate via UUP Dump. Your system security depends on it. Download Microsoft-windows-netfx3-ondemand-package.cab
Add-WindowsCapability -Online -Name NetFx3 -Source "E:\" -LimitAccess Using this CAB file allows you to install
This injects .NET 3.5 into the offline image before first boot. Download Microsoft-windows-netfx3-ondemand-package.cab
$source = "\\server\share\sxs\microsoft-windows-netfx3-ondemand-package.cab" Enable-WindowsOptionalFeature -Online -FeatureName NetFx3 -Source $source -LimitAccess -All
: From an administrative Command Prompt, the following incantation is spoken: DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:X:\sources\sxs (Where X: is the letter of the mounted ISO or USB drive) . Overcoming the "0x800F081F" Curse Where to find microsoft-windows-netfx3-ondemand-package.cab