check before: 2026-04-01
Product:
Teams, Windows
Platform:
Mac, Online, US Instances, Web, Windows Desktop, World tenant
Status:
Rolling out
Change type:
Feature update, Updated message, User impact
Links:
Details:
Summary:
Microsoft Teams town halls will support a backup RTMP stream to enhance live event reliability by automatically switching to a secondary stream if the primary fails. This feature, rolling out worldwide from late April to early July 2026, requires no admin setup and does not affect attendees.
Details:
Updated June 15, 2026: We have updated the timeline. Thank you for your patience.
[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 early July 2026 (previously mid-June)
Change Category:
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Scope:
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Release Phase:
Standard Release, Targeted Release
Created:
2026-03-26
updated:
2026-06-16
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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linked item details
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summary for non-techies**
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Direct effects for Operations**
Backup RTMP Stream Implementation
If the change is implemented without proper preparation, event organizers may not be familiar with the new backup RTMP stream configuration, leading to potential misconfigurations during live events.
- roles: Event Organizers, Producers
- references: https://support.microsoft.com/office/use-rtmp-in-in-microsoft-teams-789d6090-8511-4e2e-add6-52a9f551be7f, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=554932
User Experience During Live Events
Without preparation, there may be confusion among event producers regarding the failover process, potentially leading to delays or interruptions in the event if the primary stream fails unexpectedly.
- roles: Event Producers, IT Support
- references: https://support.microsoft.com/office/use-rtmp-in-in-microsoft-teams-789d6090-8511-4e2e-add6-52a9f551be7f, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=554932
Configutation Options**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2026-06-16 | MC Last Updated | 05/18/2026 18:27:50 | 2026-06-15T19:15:47Z |
| 2026-06-16 | MC Messages | Updated May 18, 2026: We have updated the timeline. Thank you for your patience.
[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 mid-June 2026 (previously late April) | Updated June 15, 2026: We have updated the timeline. Thank you for your patience.
[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 early July 2026 (previously mid-June) |
| 2026-06-16 | MC End Time | 07/20/2026 09:00:00 | 2026-08-14T09:00:00Z |
| 2026-06-16 | MC Summary | Microsoft Teams town halls will support a backup RTMP stream to enhance reliability for large live events. If the primary stream fails, Teams will automatically switch to the backup without affecting attendees. This feature rolls out worldwide from late April to mid-June 2026 and requires no admin action. | Microsoft Teams town halls will support a backup RTMP stream to enhance live event reliability by automatically switching to a secondary stream if the primary fails. This feature, rolling out worldwide from late April to early July 2026, requires no admin setup and does not affect attendees. |
| 2026-05-19 | MC MessageTagNames | Feature update, User impact | Updated message, Feature update, User impact |
| 2026-05-19 | MC Summary | 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. | Microsoft Teams town halls will support a backup RTMP stream to enhance reliability for large live events. If the primary stream fails, Teams will automatically switch to the backup without affecting attendees. This feature rolls out worldwide from late April to mid-June 2026 and requires no admin action. |
| 2026-05-19 | MC Last Updated | 03/26/2026 00:14:47 | 2026-05-18T18:27:50Z |
| 2026-05-19 | MC Messages | [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 | Updated May 18, 2026: We have updated the timeline. Thank you for your patience.
[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 mid-June 2026 (previously late April) |
| 2026-05-19 | MC Title | Microsoft Teams town halls now support backup Real-Time Messaging Protocol (RTMP) streams | (Updated) Microsoft Teams town halls now support backup Real-Time Messaging Protocol (RTMP) streams |
| 2026-05-19 | MC End Time | 06/01/2026 09:00:00 | 2026-07-20T09:00:00Z |
Last updated 1 day ago ago
