Microsoftwindowsnetfx3ondemandpackagecab __link__ Download Server 2012 R2 New Jun 2026

: Insert or mount the Windows Server 2012 R2 installation media (e.g., to drive Add Roles and Features Server Manager Add Roles and Features Select Feature : Proceed to the page and check .NET Framework 3.5 Features Specify Source Path Confirmation page, click the warning link: "Specify an alternate source path" : Enter the path to the folder where the file resides: D:\sources\sxs Method 2: Using PowerShell (Recommended)

When you try to enable this feature, Windows attempts to download the component payload from Windows Update. If your server is disconnected from the internet, sits behind a restrictive firewall, or uses a Windows Server Update Services (WSUS) server that does not host these files, the installation will fail. To fix this, you must provide the specific .cab deployment package. How to Get the NetFx3 CAB File for Server 2012 R2

Method 1: Extract from Original Installation Media (Recommended) : Insert or mount the Windows Server 2012

If you manage multiple remote instances or prefer automated deployment scripts, PowerShell offers an efficient path. Open with administrative privileges. Run the following command: powershell

Ensure this is set to Enabled , and check the box for "Contact Windows Update directly to download repair content instead of Windows Server Update Services (WSUS)" if your server has internet access, or explicitly define the network alternate source path in the policy box. If you are currently setting up this environment, tell me: How to Get the NetFx3 CAB File for

Computer Configuration > Administrative Templates > System

A Group Policy Object (GPO) is actively preventing Windows from accessing alternative source paths. If you are currently setting up this environment,

dism /online /enable-feature /featurename:NetFx3 /all /source:C:\NetFx3 /LimitAccess Use code with caution.

Double-click .

Check the box for and click Next.

Even with a valid .cab file, you may encounter issues. Here’s how to resolve the most common ones.