MC1262588 | Microsoft Teams: Retirement of CAPTCHA for meeting join

Service

Microsoft Teams

Last Updated

2026-03-26T23:44:45.117Z

Published

2026-03-26T23:44:28Z

Message ID

MC1262588

[Introduction] Microsoft Teams is retiring CAPTCHA for meeting join to improve accessibility, reduce join friction, and modernize protections against automated participants. This change follows the release of a new, default‑on capability that detects external meeting assistant bots and provides organizers with increased visibility and control during the meeting join process, as previously announced in Message Center post MC1251206 (Microsoft 365 Roadmap ID 558107). To ensure a smooth transition: • The new bot detection capability will be released and available to customers before CAPTCHA deprecation occurs. • There will be no gap where meetings are left without baseline bot protection. • CAP...

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