PS C:\windows\system32> Dism /online /enable-feature /featurename:NetFX3 /All /Source:F:\ISO\2004\sources\sxs /LimitAccess Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Enabling feature(s) [==========================100.0%==========================] Error: 0x800f081f The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see https://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\windows\Logs\DISM\dism.log PS C:\windows\system32> Dism /online /enable-feature /featurename:NetFX3 /All /Source:h:\sources\sxs /LimitAccess Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Enabling feature(s) [==========================100.0%==========================] Error: 0x800f081f The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see https://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\windows\Logs\DISM\dism.log PS C:\Users\molnar_tamas\Downloads> dism /online /add-package /packagepath:"Microsoft-Windows-NetFx3-OnDemand-Package~31bf3856ad364e35~amd64~hu-HU~.cab" Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Processing 1 of 1 - Adding package Microsoft-Windows-NetFx3-OnDemand-Package~31bf3856ad364e35~amd64~hu-HU~10.0.18362.1 [==========================100.0%==========================] The operation completed successfully. PS C:\Users\molnar_tamas\Downloads> dism /online /add-package /packagepath:"Microsoft-Windows-NetFx3-OnDemand-Package~31bf3856ad364e35~amd64~.cab" Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 An error occurred trying to open - Microsoft-Windows-NetFx3-OnDemand-Package~31bf3856ad364e35~amd64~.cab Error: 0x80070002 An error occurred trying to open - C:\Users\molnar_tamas\Downloads\Microsoft-Windows-NetFx3-OnDemand-Package~31bf3856ad364e35~amd64~.cab Error: 0x80070002 Error: 2 An error occurred trying to open - C:\Users\molnar_tamas\Downloads\Microsoft-Windows-NetFx3-OnDemand-Package~31bf3856ad364e35~amd64~.cab Error: 0x80070002 The DISM log file can be found at C:\windows\Logs\DISM\dism.log PS C:\Users\molnar_tamas\Downloads> dism /online /add-package /packagepath:"Microsoft-Windows-NetFx3-OnDemand-Package~31bf3856ad364e35~amd64~~.cab" Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Processing 1 of 1 - An error occurred - Microsoft-Windows-NetFx3-OnDemand-Package Error: 0x800f0818 Error: 0x800f0818 DISM failed. No operation was performed. For more information, review the log file. The DISM log file can be found at C:\windows\Logs\DISM\dism.log PS C:\Users\molnar_tamas\Downloads> C:\windows\Logs\DISM\dism.log PS C:\Users\molnar_tamas\Downloads> Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP' -Recurse | Get-ItemProperty -Name version -EA 0 | Where { $_.PSChildName -Match '^(?!S)\p{L}'} | Select PSChildName, version PSChildName Version ----------- ------- Client 4.8.04084 Full 4.8.04084 Client 4.0.0.0 PS C:\Users\molnar_tamas\Downloads> Add-WindowsPackage -Online -PackagePath "microsoft-windows-netfx3-ondemand-package~31bf3856ad364e35~amd64~~.cab" WARNING: Failed to add package microsoft-windows-netfx3-ondemand-package~31bf3856ad364e35~amd64~~.cab WARNING: Add-WindowsPackage failed. Error code = 0x800f0818 Add-WindowsPackage : Add-WindowsPackage failed. Error code = 0x800f0818 At line:1 char:1 + Add-WindowsPackage -Online -PackagePath "microsoft-windows-netfx3-ond ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [Add-WindowsPackage], COMException + FullyQualifiedErrorId : Microsoft.Dism.Commands.AddWindowsPackageCommand PS C:\Users\molnar_tamas\Downloads> Dism.exe /online /enable-feature /featurename:NetFX3 /source:C:\Users\molnar_tamas\Downloads /limitaccess Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Enabling feature(s) [==========================100.0%==========================] Error: 0x800f081f The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see https://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\windows\Logs\DISM\dism.log PS C:\Users\molnar_tamas\Downloads> Copy-Item "C:\Users\molnar_tamas\Downloads\microsoft-windows-netfx3-ondemand-package.cab" -Destination "c:\" PS C:\Users\molnar_tamas\Downloads> Dism.exe /online /enable-feature /featurename:NetFX3 /source:C:\ /LimitAccess Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Enabling feature(s) [==========================100.0%==========================] Error: 0x800f081f The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see https://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\windows\Logs\DISM\dism.log PS C:\Users\molnar_tamas\Downloads> Dism.exe /online /enable-feature /featurename:NetFX3 /source:h:\sources\sxs /LimitAccess Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Enabling feature(s) [==========================100.0%==========================] Error: 0x800f081f The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see https://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\windows\Logs\DISM\dism.log PS C:\Users\molnar_tamas\Downloads> Dism.exe /online /enable-feature /featurename:NetFX3.5 /source:h:\sources\sxs /LimitAccess Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Error: 0x800f080c Feature name NetFX3.5 is unknown. A Windows feature name was not recognized. Use the /Get-Features option to find the name of the feature in the image and try the command again. The DISM log file can be found at C:\windows\Logs\DISM\dism.log PS C:\Users\molnar_tamas\Downloads> cd c: PS C:\Users\molnar_tamas\Downloads> cd . PS C:\Users\molnar_tamas\Downloads> cd c:\ PS C:\> DISM /Online /Enable-Feature /FeatureName:NetFX3 /All /LimitAccess /Source:%~dp0 Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Enabling feature(s) [==========================100.0%==========================] Error: 0x800f081f The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see https://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\windows\Logs\DISM\dism.log PS C:\> cd C:\Users\molnar_tamas\Downloads PS C:\Users\molnar_tamas\Downloads> Copy-Item "C:\Users\molnar_tamas\Downloads\netfx3.cab" -Destination "c:\windows" PS C:\Users\molnar_tamas\Downloads> dism /online /Enable-Feature /FeatureName:NetFx3 /Source:"%windir%" /LimitAccess Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Enabling feature(s) [==========================100.0%==========================] Error: 0x800f081f The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see https://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\windows\Logs\DISM\dism.log PS C:\Users\molnar_tamas\Downloads> Install-WindowsFeature -name NET-Framework-Core -source D:\sources\sxs Install-WindowsFeature : The term 'Install-WindowsFeature' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name , or if a path was included, verify that the path is correct and try again. At line:1 char:1 + Install-WindowsFeature –name NET-Framework-Core –source D:\sources\sx ... + ~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : ObjectNotFound: (Install-WindowsFeature:String) [], CommandNotFoundException + FullyQualifiedErrorId : CommandNotFoundException PS C:\Users\molnar_tamas\Downloads> Install-WindowsFeature -name NET-Framework-Core -source h:\sources\sxs Install-WindowsFeature : The term 'Install-WindowsFeature' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name , or if a path was included, verify that the path is correct and try again. At line:1 char:1 + Install-WindowsFeature –name NET-Framework-Core –source h:\sources\sx ... + ~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : ObjectNotFound: (Install-WindowsFeature:String) [], CommandNotFoundException + FullyQualifiedErrorId : CommandNotFoundException PS C:\Users\molnar_tamas\Downloads> DISM /Online /Enable-Feature /FeatureName:NetFx3 /All Deployment Image Servicing and Management tool Version: 10.0.19041.844 Image Version: 10.0.19042.867 Enabling feature(s) [==========================100.0%==========================] Error: 0x800f0954 DISM failed. No operation was performed. For more information, review the log file. The DISM log file can be found at C:\windows\Logs\DISM\dism.log