MC1262588 Microsoft Teams: Retirement of CAPTCHA for meeting join
[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.CAPTCHA will be removed from meeting join flows and admin surfaces only after the new capability is fully in place. [When this will happen] Early May 2026: The Require verification by participants (CAPTCHA) polic