Microsoft-windows-netfx3-ondemand-package.cab -extra Patched Jun 2026

dism /online /add-package /packagepath:C:\temp\microsoft-windows-netfx3-ondemand-package.cab

Here’s a breakdown of what this likely refers to and common issues reported:

DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs Use code with caution. Copied to clipboard Where to find microsoft-windows-netfx3-ondemand-package.cab

If you have a specific error message or log output, share it — I can help interpret exactly what failed. Microsoft-windows-netfx3-ondemand-package.cab -Extra

Write-Host "Installing .NET 3.5 main CAB..." -ForegroundColor Green dism /online /add-package /packagepath:"$SourcePath\microsoft-windows-netfx3-ondemand-package.cab" /norestart

Dism /online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs

" typically appears in manual download links or community-driven repository titles to indicate supplemental files required for specific architectures or build versions. Key Purpose & Usage Key Purpose & Usage Historically, Windows installed almost

Historically, Windows installed almost every optional feature by default. This resulted in a bloated operating system with a large attack surface. Modern Windows versions utilize a "OneCore" base, where optional features are stripped out and hosted on Windows Update servers or installation media. These are known as .

Some blog posts list the .cab file and then write “-Extra” as shorthand for additional manual steps—like enabling WCF Non-HTTP Activation or copying extra DLLs to the GAC.

This will fail with Error: 0x80070002 – file not found. There is no DISM switch named -Extra . These are known as

Write-Host "Installing WCF 3.5 extra components..." -ForegroundColor Green dism /online /add-package /packagepath:"$SourcePath\microsoft-windows-netfx3-wcf-ondemand-package.cab" /norestart

When users search for this file with the "-Extra" tag, they are typically:

For system administrators managing dozens of workstations, here is a PowerShell script that incorporates all the “extra” logic (WSUS bypass, corrupted image repair, and ASP.NET extras) into one routine.