Microsoft is retiring the legacy WebRTC-based optimization for Teams in Virtual Desktop Infrastructure (VDI) and replacing it with a new architecture called SlimCore — also referred to as VDI 2.0 — introduced in Q4 2024. The change affects Windows endpoints connecting to Azure Virtual Desktop (AVD), Windows 365, and Citrix, with defined End of Support and End of Availability milestones. In parallel, Microsoft has announced a public tech preview of the new optimization for Omnissa Horizon. This article covers the architectural differences, supported platforms, new features, and the steps required to complete the migration.
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