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house9
Asked: 2011-04-07 14:51:50 +0800 CST

Install .NET 4 via command line or PowerShell?

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How do I install .NET 4 on Windows Server 2008 R2 from the command line or PowerShell?

This post shows how to do it for .NET 3.5 using dism.exe and PowerShell. I am guessing that, since the .NET 4.0 binaries need to be downloaded first, these instructions do not work for .NET 4.

powershell command-line-interface windows-server-2008-r2 dotnet-framework

3 Answers

  1. Best Answer

    I have done the following in Powershell:

    ((new-object net.webclient).DownloadFile("http://download.microsoft.com/download/9/5/A/95A9616B-7A37-4AF6-BC36-D6EA96C8DAAE/dotNetFx40_Full_x86_x64.exe","dotNetFx40_Full_x86_x64.exe")) 
& .\dotNetFx40_Full_x86_x64.exe /q

    There are other command line options than /q (for quiet). You can see those by doing:

    & .\dotNetFx40_Full_x86_x64.exe /?

    MessageBox resulting from running installer with the /? switch

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  2. This isn't specific to powershell, but might be of help. After installing .NET3.5 we follow up using the full install binaries, simply running a silent install. Depending on what and how you install this may require a reboot.

    This how I've run silent installs of .NET4 in build/update scripts on 2003-2008R2 servers using the full install package:

    • dotNetFx40_Full_x86_x64.exe /q

    If you've not already stumbled across these, you might find them useful:

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  3. Just use command prompt.

    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis -i

    .net 4.0 installed automatically.

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