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Some users unable to sign in

Minor Impact Last reported Resolved Notice published: June 8, 2026
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Current answer

Slack experienced a minor incident: Some users unable to sign in. The last provider record was marked Resolved; its current state cannot be verified.

Official Slack status page Current Slack status Provider update:

The notice publication date does not establish the outage start.

Looking for an update now? Check the current status, or follow Slack for future changes.

Affected Components
Login/SSO

Incident Timeline

Update
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 at 7:35 PM UTC
Update
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 at 7:00 PM UTC
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