Microsoft Teams town halls now support backup Real-Time Messaging Protocol (RTMP) streams

Microsoft Teams town halls will support backup RTMP streams starting late April 2026, enhancing event reliability by automatically switching to a secondary stream if the primary fails. Organizers can configure this in Production tools; the feature requires no admin setup and does not affect attendees. Introduction To improve reliability for large-scale live events, Microsoft Teams town halls will soon support a backup Real-Time Messaging Protocol (RTMP) stream. RTMP is a standard live‑streaming protocol used by event organizers to send live video and audio to a streaming service, such as Microsoft Teams. This enhancement helps ensure uninterrupted broadcasts by automatically failing over to a secondary RTMP stream if the primary stream experiences an interruption. This change increases resiliency for high-visibility events without adding complexity for organizers. This message applies to Teams for Windows desktop, Teams for Mac desktop, and Teams for the web. It is associated with Roadmap ID 554932. When this will happen: General Availability (Worldwide, GCC): Rollout begins late April 2026 and completes by late April 2026 How this affects your organization: Who is affected: Organizers and producers hosting Microsoft Teams town halls using RTMP-based production workflows What will happen: Organizers can configure a backup RTMP stream during event setup using Teams Meeting options in Production tools. If the primary RTMP stream fails, Teams will automatically fail over to the backup stream with no manual intervention. There’s no change to the attendee experience. The feature is available by default; no admin configuration is required. What you can do to prepare: No action is required. Optionally, update internal event-production documentation and notify event producers of this new resiliency option. Learn more: Use RTMP-In in Microsoft Teams | Microsoft Support (will be updated before rollout) Compliance considerations: No compliance considerations identified, review as appropriate for your organization. Message ID: MC1261595

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