Microsoftwindowsnetfx3ondemandpackagecab Download Server 2012 R2 New !exclusive! -

After installation, verify success using:

Open or Command Prompt as Administrator.

Run the installation again via Server Manager or DISM without the /Source parameter. Troubleshooting Can not install dotNet 3,5 on Windows Server 2012R2 After installation, verify success using: Open or Command

Although .NET 3.5 often installs without a reboot, some dependent features may require it. Always plan a restart during a maintenance window.

dism /Online /Add-Package /PackagePath:C:\Temp\NetFX3\Microsoft-Windows-NetFx3-OnDemand-Package.cab Always plan a restart during a maintenance window

Forget the bloated ISO mounts and failed wizards. With a valid, digitally signed .cab file and the DISM commands outlined in this guide, you can install .NET Framework 3.5 on Windows Server 2012 R2 in under two minutes—cleanly, silently, and reliably.

dism /online /enable-feature /featurename:NetFX3 /all /source:D:\sources\sxs /LimitAccess Use code with caution. : Targets the currently running operating system. some dependent features may require it.

You do not need to download this file from untrusted third-party sites. It is already present on your installation media.

The safest and most reliable way to obtain the payload is by pulling it directly from the .

Some applications check for specific sub-features. Run the following to enable all subcomponents: