Some users unable to sign in

What to do

• Check whether you use Slack Login/SSO. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 36m it lasted.

  Anything that failed between 2026-06-08 19:00 UTC and 2026-06-08 19:35 UTC may need a replay.

• Subscribe to Slack's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=slack works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Slack 2

1. updateJun 8, 2026, 7:00 PM UTC

   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.

   provider

2. updateJun 8, 2026, 7:35 PM UTC

   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.

   provider

Corrections

None so far.

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