Hi @Kullmann, Chrissy ,
In my experience, Microsoft launched controls for IT admins to restrict the use of background effects. This is controlled via the New-CsTeamsMeetingPolicy and Set-CsTeamsMeetingPolicy cmdlets within the Skype for Business Online PowerShell module and are available through the new VideoFiltersMode. For more details, you can refer to Restricting background effects topic:
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.