Microsoftwindowsnetfx3ondemandpackagecab Download Server 2012 R2 New !!better!! Site

Here’s a technical write-up covering the download, deployment, and use of the microsoft-windows-netfx3-onDemand-package.cab for Windows Server 2012 R2 in a modern (air-gapped or offline) scenario.

Copy the file to a simple path on your target server, e.g., C:\Temp\NetFx3.cab . Avoid spaces in the path to prevent command-line parsing errors. Windows Server 2012 R2 has a “Features on

Step 5: Reboot if Necessary

.NET Framework 3.5

On Windows Server 2012 R2, the microsoft-windows-netfx3-ondemand-package.cab file is the primary component for installing . Because this feature is "removed" by default to save disk space, you must provide an external source (like installation media) or configure the server to download it from Windows Update. Installation Methods 1. Using DISM (Command Line) Windows Server 2012 R2 has a “Features on

• Windows Server 2012 R2 has a “Features on Demand” model: the OS keeps feature payloads (like .NET 3.5) in a local store only if requested. If the payload is not available locally, the system attempts to download the required files from Windows Update.
• In environments without internet access, you must provide the .NET 3.5 payload manually — either by pointing the installer to Windows Server installation media (sources\SxS) or by supplying the Microsoft-Windows-NetFx3-OnDemand-Package.cab extracted from media or downloaded from Microsoft.