Outage in Slack

Some users are unable to sign in

Resolved Minor
November 28, 2025 - Started about 1 month ago - Lasted about 2 hours
Official incident page

Incident Report

We are currently investigating an issue where a subset of users may be unable to log into Slack or use certain features. We apologise for the inconvenience and will provide another update as soon as we have more details to share.

Components affected
Slack Connectivity

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Latest Updates ( sorted recent to last )
about 1 month ago - at 11/28/2025 12:18PM

We’ve also noticed instances getting out of memory errors, causing system instability. We are provisioning the service to larger and more stable servers. We continue to monitor everything for stability. We will update you as soon as we have more information. 

about 1 month ago - at 11/28/2025 11:46AM

We are actively working to resolve the current platform functionality issues, which have evolved to include connectivity problems, workspace loading failures, and server errors for some users. Our current efforts remain focused on restoring the unhealthy database identified earlier.
We will update you as soon as we have more information. 

about 1 month ago - at 11/28/2025 11:16AM

We have identified an unhealthy database that is contributing to the current issue. We are working on restoring the database to a healthy state, which we anticipate will resolve the problem.

We will update you as soon as we have more information. 

about 1 month ago - at 11/28/2025 10:44AM

We are currently investigating an issue where a subset of users may be unable to log into Slack or use certain features. We apologise for the inconvenience and will provide another update as soon as we have more details to share.

Latest Slack outages

Issues loading or viewing threads - about 1 month ago
Slow or incomplete Slack searches - about 1 month ago
Trouble with Search - about 1 month ago

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