Microsoftwindowsnetfx3ondemandpackagecab — Portable Download Server 2012 R2 New
The microsoft-windows-netfx3-ondemand-package.cab file is the primary payload required to install (which includes .NET 2.0 and 3.0) on Windows Server 2012 R2. Unlike modern features, these legacy components are not stored in the local side-by-side (SxS) store by default to save disk space. This "Features on Demand" architecture necessitates pointing the installer to the original installation media or a specific CAB file when an internet connection to Windows Update is unavailable. Deployment Challenges
Right-click the Start button and select Windows PowerShell (Admin) or Command Prompt (Admin) .
Alternatively, you can use the /Add-Package option to point directly to the file:
If the server has internet access:
/enable-feature /featurename:NetFX3 : Specifies the installation of .NET Framework 3.5.
Mount your Windows Server 2012 R2 ISO file to your virtual machine or insert the DVD.
:If you have the .cab file or the entire sxs folder copied to C:\NetFx3 , run this command in an Elevated Command Prompt : The microsoft-windows-netfx3-ondemand-package
There are a few ways to download and install the .NET Framework 3.0 On-Demand Package CAB for Windows Server 2012 R2:
If you prefer a graphical user interface, you can specify the alternative path during the standard installation wizard. Open and click Add Roles and Features .
DISM.exe /Online /Enable-Feature /FeatureName:NetFX3 /All /Source:C:\NetFx3 /LimitAccess Use code with caution. Copied to clipboard /Source : Points to the folder containing the .cab file. :If you have the
DISM /online /enable-feature /featurename:NetFx3 /All /Source:C:\NetFx3 /LimitAccess
After installation completes (progress bar 100%), verify success: