AMD/ATI never released an official Windows Server 2016 driver for the ES1000. The last official drivers are for Windows Server 2008 / Vista.
Here’s a draft for a forum or blog post about using the graphics driver on Windows Server 2016 . Title: ATI ES1000 Driver on Windows Server 2016 – Solved / Workaround Ati Es1000 Driver Windows Server 2016
Out of the box, Server 2016 installs a generic “Microsoft Basic Display Adapter” driver. This works, but with limitations: no hardware acceleration, poor remote desktop performance, and laggy console UI. AMD/ATI never released an official Windows Server 2016