In windows server 2019 and windows 10. There is an issue in the RDS world where the windows overlapping each other appears to have no border (its all white) Making it hard to distinguish the various windows from each other. This can be fixed with the steps in this post.
Update 10.04.2020 This also goes for the Chromium based Microsoft Edge. Registry path for edge is:“Software\Policies\Microsoft\Edge”HKLM or HKCU depending on your needThe value is the same as for Chrome below. If you are experiencing missing audio playback in Google Chrome inside an ICA session. Check if your version is above v77 of Chrome.If you are, Read more about Citrix: Google Chrome – No audio in ICA session after version 77[…]