Microsoft Teams Mobile Repeatedly Signs Users Out in a Login Loop
Microsoft Teams on mobile prompts users to sign in, but tapping the sign-in notification leads nowhere, and the app repeatedly signs users out even after successfully authenticating. This creates a persistent login loop that makes the mobile app effectively unusable.
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Similar Problems
surfaced semanticallyMicrosoft Teams Mobile Authentication Loop Locks Out Users
Teams mobile app enters a broken authentication loop where phone verification is never delivered and fallback methods also fail, leaving employees completely unable to log in. The issue affects multiple users simultaneously, indicating a systemic failure.
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Microsoft Teams Sign-In Enters Infinite Loop
Microsoft Teams gets stuck in neverending login loop, completely blocking access to communication and collaboration.
Microsoft Teams Recurring Sign-In Loop and Message Delivery Failure
A user reports Microsoft Teams repeatedly forces re-authentication, and even after signing in, messages fail to send or receive. The issue recurs on a roughly monthly cycle after periods of working normally.
Teams Mobile Login Fails Despite Correct Credentials and MFA
Microsoft Teams mobile app refuses authentication even when username, password, and authenticator codes are all correct, while the same credentials succeed on web and desktop. Repeated reinstallations produce inconsistent behavior with no error message explaining the failure. Employees who require mobile access for work are completely locked out with no self-service resolution path.
Problem descriptions, scores, analysis, and solution blueprints may be updated as new community data becomes available.