How to set the display language in Windows Server 2022 Std via GPO in a RDS Farm?

Question

Hi everyone, I'm setting up a multilanguage RDS Farm on Windows Server 2022 Std with FSLogix. Everything works well exept the regional options are only partially applied (GPO). That means, that the clock and the date are displayed correctly, but not the UI language. The languages are fully installed. Does anyone else have this problem? GPresult:

GPO:

Thank you Best regards Tobias

Answer 1

For anyone wondering: I figured it out myself. I had to create a new policy object for each language and filter it based on the group membership with this setting:

This also works on Windows Server 2025.