Slack experienced a minor incident on February 24, 2026 affecting Messaging, lasting 4h 42m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Feb 24, 2026, 02:36 PM UTC
We're aware of an issue impacting direct message functionality. Users are unable to add people to multi-person direct messages, and some users are experiencing errors when attempting to send messages. We're investigating the cause and will update you as soon as we have more information.
- monitoring Feb 24, 2026, 03:04 PM UTC
Increased load on a messaging-related service has been identified as the cause of the issue. We have reduced the load, and are working to restore full messaging functionality. Additional capacity has also been added to prevent further impact. We’re actively monitoring performance and continuing to work to ensure full recovery. We’ll provide another update as soon as possible. Thank you for your patience and understanding.
- investigating Feb 24, 2026, 03:24 PM UTC
Users should now be able to add people to group direct messages and send messages. We continue to monitor the service closely to ensure ongoing stability. We’ll provide another update if there are any changes. Thank you for your patience.
- resolved Feb 24, 2026, 07:19 PM UTC
This issue is now resolved. Current status and recent actions taken: Further investigation of this issue has determined that Slack systems and services are operating within specifications and remain stable. Scope: Some users may have experienced issues accessing Direct Messages or Multi-person Direct Messages. Required resolution steps: No additional steps are required. We apologize for any inconvenience this brought to your day.