choco install dotnet3.5 -y

C:\Windows\system32>choco install dotnet3.5 -y
Installing the following packages:
dotnet3.5
By installing you accept licenses for the packages.

DotNet3.5 v3.5.20160211
 Deployment Image Servicing and Management tool
 Version: 10.0.10240.16384
 Image Version: 10.0.10240.16384
 Error: 0x800f080c
 Feature name NetFx3ServerFeatures 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
 [ERROR] Running C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe with cmd.exe /c DISM /Online /NoRestart
 /Enable-Feature /FeatureName:NetFx3ServerFeatures was not successful. Exit code was '1' Error Message: .
 At C:\ProgramData\chocolatey\helpers\functions\Start-ChocolateyProcessAsAdmin.ps1:92 char:5
 +     throw $errorMessage
 +     ~~~~~~~~~~~~~~~~~~~
     + CategoryInfo          : OperationStopped: ([ERROR] Running...rror Message: .:String) [], RuntimeException
     + FullyQualifiedErrorId : [ERROR] Running C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe with cmd.exe /
    c DISM /Online /NoRestart /Enable-Feature /FeatureName:NetFx3ServerFeatures was not successful. Exit code was '1'
   Error Message: .
The install of dotnet3.5 was NOT successful.
Error while running 'C:\ProgramData\chocolatey\lib\DotNet3.5\Tools\ChocolateyInstall.ps1'.
 See log for details.

Chocolatey installed 0/1 package(s). 1 package(s) failed.
 See the log for details (C:\ProgramData\chocolatey\logs\chocolatey.log).
Failures:
 - dotnet3.5

C:\Windows\system32>