Installing .NET Framework 2.0 on Windows Server 2016 is a common requirement for running legacy enterprise applications. While you cannot download a standalone installer for version 2.0 on modern operating systems, it is still fully supported as part of the feature package. Why You Can't Find a Standalone .NET 2.0 Download
Starting with Windows Server 2012, Microsoft bundled .NET 2.0 and 3.0 into the .NET 3.5 "Features on Demand" payload. Attempting to use the original 2005-era installer will likely result in compatibility errors. Instead, you must enable the feature through the server's internal management tools. Method 1: Install via Server Manager (GUI) .net framework 2.0 download windows server 2016
This is the most straightforward method if your server has a desktop experience. Help! I Can't Install Net 3.5 on Server 2016 Installing