Symptoms
End-user experiences poor performance (i.e. choppy video playback, poor mouse interactivity), when connecting to a Horizon desktop pool with HEVC or H.264 enabled.End-user’s client system uses Windows 10 or 11 and has AMD graphics with recently updated drivers.
Purpose
This article provides troubleshooting steps and a workaround for poor performance when using H.264 or HEVC on a Horizon Windows Client system with AMD graphics.
Cause
VMware has identified a performance regression in AMD Adrenalin drivers, starting in version 22.10.2.
Resolution
This has been fixed with the latest AMD Adrenalin driver update 23.2.2.
Full AMD driver file name:whql-amd-software-adrenalin-edition-23.2.2-win10-win11-feb22.exe
Related Information
Find the display driver version in dxdiag.txt from the Client DCT.Version information:
AMD Software: Adrenalin Edition 22.10.2 Driver Version 22.20.29.01 for Windows® 10 and Windows® 11 (Windows Driver Store Version 31.0.12029.1042).AMD Software: Adrenalin Edition 22.5.1 Driver Version 21.50.21.11 for Windows® 10 and Windows® 11 (Windows Driver Store Version 30.0.15021.11005).
