Microsoft-windows-netfx3-ondemand-package.cab Download ((exclusive)) Server 2012 R2

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Explanation of switches :

Check the Registry: HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v3.5 – Version key present. : Explanation of switches : Check the Registry:

file for your system, you should use the Windows Server 2012 R2 installation ISO: Mount the ISO:

microsoft-windows-netfx3-ondemand-package.cab Role: Enables .NET Framework 3.5 (includes .NET 2.0 and 3.0) on Windows Server 2012 R2 Why needed: Many legacy applications and services (e.g., SQL Server, Exchange, custom enterprise apps) require .NET 3.5 alongside newer versions. : Explanation of switches : Check the Registry:

The .cab file allows offline installation using DISM.

If you have a Volume Licensing agreement, log in to VLSC and download the original media, then extract the .cab as above. : Explanation of switches : Check the Registry:

DISM /Online /Cleanup-Image /StartComponentCleanup SFC /SCANNOW