Slack outage, 17 June 2026

Trouble loading SSO configuration settings for some workspace admins

Started
Resolved
18 Jun 2026, 04:14 UTC (after 5 h 41 min)
Impact
Minor
Affected
Login/SSO

Last update from Slack

We have successfully deployed the fix to production and the issue is resolved. The Admin SSO and Authentication Configuration page for standalone workspaces should now display the correct settings. If you continue to see outdated information, refresh the SSO Admin page to load the latest changes.

18 Jun 2026, 04:14 UTC

Read the full incident on the official Slack status page

Is Slack down now?

This page is the record of one past incident. For the live status, see Is Slack down right now? - it reads the official status page every 2 minutes.

Other Slack incidents

  1. Single Sign On errors

  2. Slack for iOS closing unexpectedly when opening channels

  3. Free Plan Customers Are Experiencing Message Failures

  4. Some customers experiencing blurry image previews and download issues

  5. Trouble loading Workspace-level Apps & Workflows settings page is returning blank pages

  6. Trouble Accessing Historical Messages With Custom Data Retention Policies Enabled

  7. Trouble Using Search Bar For Some Admins

  8. Feature Degradation Affecting the Receipt of Emails in Slack

All recorded Slack incidents