Use the below PowerShell commands to install Microsoft Endpoint Configuration Manager (MECM/SCCM) Management Point OS prerequisites on Windows Server 2019.
# .NET Features
Install-WindowsFeature -Name NET-Framework-Features
Install-WindowsFeature -Name NET-Framework-Core
Install-WindowsFeature -Name NET-Framework-45-Features
Install-WindowsFeature -Name NET-Framework-45-Core
Install-WindowsFeature -Name NET-Framework-45-ASPNET
Install-WindowsFeature -Name NET-WCF-Services45
Install-WindowsFeature -Name NET-WCF-HTTP-Activation45
Install-WindowsFeature -Name NET-WCF-TCP-PortSharing45
# Install IIS Web Server Role
Install-WindowsFeature -Name Web-Server -IncludeManagementTools
Install-WindowsFeature -Name Web-WebServer
# Application Development
Install-WindowsFeature -Name Web-ISAPI-Ext
# Security
Install-WindowsFeature -Name Web-Windows-Auth
# Management Tools
Install-WindowsFeature -Name Web-Mgmt-Tools
Install-WindowsFeature -Name Web-Mgmt-Console
Install-WindowsFeature -Name Web-Mgmt-Compat
Install-WindowsFeature -Name Web-Metabase
Install-WindowsFeature -Name Web-WMI
# Install Background Intelligence Transfer Service (BITS)
Install-WindowsFeature -Name BITS
Install-WindowsFeature -Name BITS-IIS-Ext