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The machine will automatically restart. Reconnect whenever it does. When you reconnect the View progress dialog will be shown - press Close when it finishes.
Configure Remote Desktop Services
From within the Server Manager Dashboard, select Remote Desktop Services
In the Deployment Overview, select the green plus icon for RD Gateway
Press the right arrow button to add the server in the Server Pool list to the Selected List
Click Next.
Enter the FQDN for the machine, and press Next
Press the Add button
Install a web browser
There are some things to download and install via a browser and the Internet Explorer browser bundled with Windows Server 2019 is unfit for this purpose. Install a web browser (Edge, Chrome or Firefox).
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