I think that was because of the VDI settings as the vedio & audio could be difficult to be played on virtual desktops.
Please see these two articles and make sure that your VMware Horizon version are supported with Teams and download & install the required components from the second article:
https://techzone.vmware.com/resource/microsoft-teams-optimization-vmware-horizon#technical-overview-of-media-optimization-for-microsoft-teams
https://docs.vmware.com/en/VMware-Horizon/2106/horizon-remote-desktop-features/GUID-F68FA7BB-B08F-4EFF-9BB1-1F9FC71F8214.html
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
And any update installed of the operating system?
Best regards,
Lou
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