Introduction
Please Install the .NET 3.5 Features AFTER you have installed all other necessary Windows Roles & Features
For the installations of the CoreOne Suite, the .NET 3.5 Framework on the Windows Server 2016 and newer versions is absolutely necessary, otherwise the WCF Service cannot be started. To install the .NET 3.5 Framework on Windows Server, the installation ISO for the installed server OS must be mounted on the server
Navigate to “Add Roles and Features” in the Server Manager and select the .Net Framework 3.5 Features.
Navigate to “Add Roles and Features” in the Server Manager and select the .NET Framework 3.5 Features.
In our example this is the drive D:\
D:\Sources\sxs
Powershell Script for installing the required .NET 3.5 Features
The above listed required .NET 3.5 Features can be installed thorugh Powershell.
Call the Powershell about Server Manager - Tools - Windows PowerShell ISE. Copy and Paste the script and Execute it (Play-Button).
### Please mount the corresponding ISO to your OS Version and define the Source-Folder below
$InstalllationSourcesFolderDotNet35 = 'D:\sources\sxs'
Write-Host " [i] Check if ISO is mapped."
if (Test-Path -Path $InstalllationSourcesFolderDotNet35) {
Write-Host " [i] ISO is mounted and Path is accessible:" $InstalllationSourcesFolderDotNet35
Write-Host " [i] Start Installation of .NET 3.5 Feature"
Install-WindowsFeature Net-Framework-Core -source $InstalllationSourcesFolderDotNet35
Add-WindowsFeature NET-HTTP-Activation,NET-Non-HTTP-Activ -source $InstalllationSourcesFolderDotNet35
} else {
Write-Host " [e] Your ISO for installing .NET 3.5 is not mapped or the given Path is not valid. Installation will abort. Please mount the corresponding ISO to your OS Version and execute the script again. Configured Path: " $InstalllationSourcesFolderDotNet35
}