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Incident detail

Some users unable to sign in

Some users unable to sign in

Resolved incidentMajor0 affected services

Timeline window

Jun 8, 2026, 7:00 PM UTC to Jun 8, 2026, 7:35 PM UTC

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Timeline

Incident updates

Updates are normalized from the official source chronology so timeline changes remain easy to scan.

  1. Investigating

    Some users in EMEA may be failing to receive 2FA codes via SMS when logging into Slack. We are investigating the trigger and working to resolve this incident as quickly as possible. We will provide another update in 30 minutes or sooner as we have more details to share.

    Jun 8, 2026, 7:00 PM UTC

  2. Resolved

    The issue affecting SMS-based two-factor authentication for users in EMEA has been resolved, and all services are now functioning as expected. We have adjusted configuration settings to restore normal service and will continue to monitor the situation to ensure stability. We apologize for how you and your business may have been affected by this. We will perform a full investigation of the incident, confirming the technical trigger, the underlying cause, and preventive action to avoid a repeat in the future.

    Jun 8, 2026, 7:35 PM UTC