Microsoftwindowsnetfx3ondemandpackagecab Download Server 2012 R2 New |top|

The .NET Framework 3.0 On-Demand Package CAB file contains the necessary files to install the .NET Framework 3.0 on a Windows Server 2012 R2 system. This package is usually required when you need to install an application that depends on the .NET Framework 3.0.

Note: The /LimitAccess switch prevents DISM from attempting to contact Windows Update online, forcing it to rely entirely on your local CAB file. Method 2: Enterprise PowerShell Deployment

Installing the .NET Framework 3.5 on Windows Server 2012 R2 often requires a manual "On-Demand" installation because the source files are not pre-installed on the hard drive to save space. 1. Preparation: Locate the Source Files You need the original Windows Server 2012 R2 installation media (ISO or DVD). Server Fault Mount the ISO : Right-click your ISO file and select . Note the drive letter assigned (e.g., Target Folder : The required file ( microsoft-windows-netfx3-ondemand-package.cab ) is located in the \sources\sxs directory of that drive. Super User 2. Method A: Using Command Prompt (Recommended) This is the fastest method and bypasses common GUI errors. Super User Command Prompt as an Administrator. Run the following command, replacing with your actual mounted drive letter: Method 2: Enterprise PowerShell Deployment Installing the

Open or Command Prompt as Administrator .

: Ensure the path points to the folder containing the file , not the .cab file itself. Verify that the account running the installation has full read permissions to that directory. WSUS Group Policy Interference Server Fault Mount the ISO : Right-click your

Press . DISM will proceed with the installation and should complete successfully within a few minutes.

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Simplified for Server 2012 R2 with a local source:

Technical Overview: Installing .NET Framework 3.5 on Windows Server 2012 R2 Introduction Method 2: Enterprise PowerShell Deployment Installing the