Installation media you can download from VLC or media creation tool according to your Windows Edition. Insert the Windows installation media. At an elevated command prompt, run the following command. Save time to install net framework 3.5 on windows 10 BUT on the newer build Microsoft has change the install.win file type to install.esd I just fixed the file type in your batch and it worked fine again with the new windows 10 build.
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Active1 year, 4 months ago
I am trying to install .Net 3.5 on Windows Server 2012 and it constantly keeps failing. I am using 'Add or Remove Features' and my Internet is already there. I've read that if alternate source couldn't be found, the installer tries to download online and installs it from there. However, it's not working. This is the screenshot that I keep seeing:
Please suggest what am I missing?
Edit:
I already tried using
D34DM347dism.exe /online /enable-feature /featurename:NetFX3 /Source:D:sourcessxs /all
but I do not have the source disk with me. I want to download it online. 1,3552 gold badges16 silver badges31 bronze badges
Tim TomTim Tom
11 Answers
This behavior can also be caused by a system administrator who configures the computer to use Windows Server Update Services (WSUS) instead of the Microsoft Windows Update server for servicing.
This worked for me. Windows has to download the 3.5 installation files, but the server is configured not to use Windows Update (common for managed servers), but WSUS. The above article describes how to fix this. In a nutshell:
- Start the Local Group Policy Editor or Group Policy Management Console (WIN+R and type
gpedit.msc
). - Expand Computer Configuration, expand Administrative Templates, and then select System.
- Open the
Specify settings for optional component installation and component repair
Group Policy setting, and then select Enabled. - Select the
Contact Windows Update directly to download repair content instead of Windows Server Update Services (WSUS)
checkbox. - Make sure Windows Updates Service is set to Manual or Automatic to apply this fix. Our default images are set to disabled, and the issue continued until that seemingly obvious change was made.
RichardRichard
Step 1: Uninstall any of these updates in: Control Panel -> Uninstall a Program -> View Installed Updates.
- KB2966826
- KB2966827
- KB2966828
Step 2: Then, retry installing the feature using the GUI (
Server Manager
), command line (dism
), or PowerShell (Install-WindowsFeature
)Additional information on enabling features
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Method 1: Using GUI - Server Manager
Server Manager -> Add Roles and Features -> Role-based or feature-based installation -> Select Server -> Features -> .NET Framework 3.5 Features
Method 2: Using Command Line - dism
dism : Using local installation media/Windows update/WSUS
dism /online /enable-feature /featurename:NetFx3 /all
DISM: With a local 'Alternate Source'
dism /online /enable-feature /featureName:NetFx3 /all /limitAccess /source:drive_letter:sourcessxs
Please replace
drive_letter
with the drive letter of your local drive where the installation files resideDISM: With a remote 'Alternate Source'
dism /online /enable-feature /featurename:netfx3 /all /LimitAccess /source:share_namesourcessxs
Please replace
share_name
with the the UNC of the shared location where the installation files resideMethod 3: Using PowerShell
PowerShell: Using local installation media/Windows update/WSUS
Install-WindowsFeature –name NET-Framework-Core
PowerShell: With a local 'Alternate Source'
Install-WindowsFeature –name NET-Framework-Core –source x:sourcessxs /source:drive_letter:sourcessxs
Please replace
drive_letter
with the drive letter of your local drive where the installation files residePowerShell: With a remote 'Alternate Source'
Install-WindowsFeature –name NET-Framework-Core –source share_namesourcessxs
Please replace
share_name
with the the UNC of the shared location where the installation files resideHelpful Resources:
WalterPcProWalterPcPro
After trying to install .net 3.5 on Windows Server 2012 for 3 days, I have finally managed to do it.
The key for me was to check the installed windows updates for KB2966826, KB2966827 and KB2966828. I had KB2966827 installed and after removing it, I could install 3.5 via Server Manager.
See this article http://www.askvg.com/fix-0x800f0906-and-0x800f081f-error-messages-while-installing-net-framework-3-5-in-windows-8/
wainywainy
When running netfx3 feature enable, it stopped ad 66.6%.
I verified my proxy settings in Internet Explorer > Connections.
I changed my group policy settings to enable optional components
After all this, I finally managed to install .NET Framework 3.5 in windows 2012.
Hope it helps!
Ester Niclós FerrerasEster Niclós Ferreras
In Internet Explorer, go to:
- Tools
- Internet Options
- Security
- Internet
- Custom Level
- Downloads | File Download = Enable
Run PowerShell as an AdministratorEnter this, to download and install .net 3.5:
Result: PS C:UsersAdministrator> DISM /Online /Enable-Feature /FeatureName:NetFx3 /All
Deployment Image Servicing and Management tool Version: 6.3.9600.17031
Image Version: 6.3.9600.17031
Enabling feature(s) [100.0%] The operation completed successfully.
TechboyTechboy1,1086 gold badges26 silver badges45 bronze badges
- Load windows server 2012 DVD to your DVD Drive. then go to this path
- Copy the path from windows explorer address bar.
- Open server manager as you did and try again add role and feature and server role then feature and select .net framework 3.5.
- Here before you install just click on
specify an alternative path
- Now you can paste the address that you just have on your clipboard to path textbox.
- Finally click on install button and after a few minutes, .net framework is successfully installed on your server.
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Blue MoonBlue Moon
I have tried everything suggested all over net - but nothing worked since I didn't have source disc. Luckily, I eventually remembered Web Platform Installer - download it, find .NET Framework 3 - install:
nikib3ronikib3ro
note: the standard installation of .net3.5 will point to 'windows update' for the install.IF your server is set to do its update lookup through WSUS, this will fail.
backup your registry, and try the following: http://aaron-kelley.net/blog/2014/04/remove-wsus-client-settings-and-revert-to-using-the-default-microsoft-update-servers/
after this, perform the feature install as per normal (after restarting the 'windows update' service.
worked for me :)
Vin PathakVin Pathak
This is known issue which is well documented in actionable KB 3002547 'You cannot enable the Microsoft .NET Framework 3.5 feature on Windows Server 2012 R2, Windows Server 2012, Windows 8.1, or Windows 8 after you install security update 2966827 or 2966828' and also described in details in related MS PFE blogpost 'Attempting to Install .NET Framework 3.5 on Windows Server 2012 R2 Fails with Error Code 0x800F0906 or “the source files could not be downloaded”, even when supplying source'.
If you want to use dism and pull .NET from Windows Update you should issue the following command:
If you want to use dism and pull .NET from Windows Update you should issue the following command:
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All
Source/details: Deploy .NET Framework 3.5 by using Deployment Image Servicing and Management (DISM)
MikhailMikhail8442 gold badges15 silver badges30 bronze badges
Give this command on your Comman Prompt and modify the source path section in the command to point to your windows instalation, Source, Sxs folder.
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dism.exe /online /enable-feature /featurename:NetFX3 /Source:D:sourcessxs
DileepaDileepa
just enable update of windows(run->services.msc->windows Update->Right click properties->Start up type(automatic) and start the service(Running)).
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Then no error will be shown on.
syed mhamudul hasan akashsyed mhamudul hasan akash
protected by Community♦Dec 23 '15 at 14:52
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Active1 year, 3 months ago
I need to install .Net 3.5 so I can use SQL Server Express/Local Db in Visual Studio.
I have trawled the internet looking for answers and nothing works.
It got stuck on this all night, this is enabling .Net 3.5 from the Control Panel.
I even redownloaded Windows 10 and run this DISM command
but it still hangs and won't do anything.
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If anyone could help me out that would be super helpful
magicandre198118.1k3 gold badges55 silver badges91 bronze badges
Alex HarleyAlex Harley3131 gold badge3 silver badges11 bronze badges
5 Answers
.NET 3.5 cant be install by internet. you have to use your installation DVD or ISO downloaded from Microsoft website. use this command to install
DISM /Online /Enable-Feature /FeatureName:NetFx3 /Source:d:sourcessxs /All /LimitAccess
d: should be the
- ISO mapped drive if you use ISO file
- DVD drive if you use installation DVD
Few important points.
- If you use ISO file, There can be errors if you try to use a ISO from a network location.
- If you download ISO from Microsoft web site careful about 32 bit and 64 bit.
- Run command prompt as Administrator to run this command
- If your command prompt hang without any response, probably it means Some windows updates installation is in progress. So restart the computer and try again.
- Go to 'Turn Windows feature on or off' window.If you installed properly, you can see .NET framework 3.5 is installed.
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Here is the step by step guide I have written. http://codeketchup.blogspot.sg/2015/11/how-to-install-net-framework-35-on.html
Nayana AdassuriyaNayana Adassuriya13.1k15 gold badges73 silver badges116 bronze badges
If you have access to MSDN subscription, download the
Windows 10 Features on Demand
ISO, mount it and run this command:(where D: is the mounted ISO)
If this fails, run this command to add the files back to your Windows
and now go to the UI to enable the feature.
magicandre1981magicandre198118.1k3 gold badges55 silver badges91 bronze badges
If you don't have your Windows installation media at hand or want it easier:
These are the methods without the commandline DISM command, which work interactively- for the first two you need current internet access:
- Normally it is enough to start an application requiring .NET 3.5 and Windows will bring up a dialog for installation over internet.
- Type 'windows feature' in the magnifier (search) line besides the start button and switch toTurn Windows features on or off
Control panelThen you find the known dialog from previous versions to turn .NET 3.5 features on, etc. (At least I was unable to find it from new settings dialog without search.) - If you updated Windows 10, and you had .NET 3.5 activated before on Win 7 or 8.x, then you have to do nothing, it is also activated in Windows 10.
- Here is the real offline 'emergency' installer:http://www.smart-arab.com/2013/12/install-net-on-windows-8-1-and-windows-10-offline/Of course this is not the official way.
PhilmPhilm
You need to go to add remove programs and then add features to windows, then select it from here. This will install .net 3.5 and 2.0
edit 1
Please open a command prompt (cmd.exe) as admin and run the following command to install .Net 3.5:
(replace D: with your mounted Win10 ISO)
In some environment, DISM fails to fetch the file (Proxy, network policies). The DISM command takes the files from the DVD and you're fine
Simon PriceSimon Price1,9251 gold badge13 silver badges46 bronze badges
1. Open CMD as an administrate
Command: Dism /online /enable-feature /featurename:NetFX3 /All /Source:D:sourcessxs /LimitAccess
here D=partition name Mout
Open ISO file of windows 10 and type D where Partition.
Finally Open Windows Features and then you will see Net Framework 3.5 has been install and enable.
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