You have a Microsoft 365 E5 subscription that contains a virtualized desktop infrastructure (VDI). The VDI contains a virtual machine named Host1 that runs Windows Server 2019. You need to install…

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Explanation

This question tests knowledge of the prerequisites and correct installation method for deploying Microsoft Teams in a VDI (Virtual Desktop Infrastructure) environment on Windows Server 2019. Teams for VDI has a specific, non-standard installation workflow that differs from the regular Teams client.

Approach. First, you must install the WebRTC Redirector Service (Microsoft Remote Desktop WebRTC Redirector Service) on Host1. This runtime component enables media optimization - it redirects audio/video/calling workloads from the VDI server to the client endpoint, preventing the server from being overloaded with media processing. Without it, Teams calls will not function properly in the VDI context. Second, you must install the Teams VDI client using the MSI installer (e.g., Teams_windows_x64.msi) with the ALLUSER=1 flag via msiexec. This installs Teams machine-wide (per-machine) rather than per-user, which is mandatory for VDI/shared-session environments like Windows Server 2019 - the standard .exe installer is not supported in this scenario.

Concept tested. Microsoft Teams for VDI installation prerequisites and deployment method - specifically the requirement to pre-install the WebRTC Redirector Service and use the MSI (ALLUSER=1) installer instead of the standard per-user .exe installer on shared/virtual desktop infrastructure.

Reference. Microsoft Docs: 'Teams for Virtualized Desktop Infrastructure' - https://learn.microsoft.com/en-us/microsoftteams/teams-for-vdi

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