Slack incident

Trouble Accessing Historical Messages With Custom Data Retention Policies Enabled

Slack is currently experiencing a minor incident affecting Messaging and Workspace/Org Administration, which began 5d ago. The vendor's full update timeline is below.

Started
Aug 13, 2026, 09:21 PM UTC
Resolved
Ongoing
Duration
● 4d 14h
Detected by Pingoru
Aug 13, 2026, 09:21 PM UTC

Affected components

MessagingWorkspace/Org Administration

Update timeline

  1. investigating Aug 13, 2026, 09:21 PM UTC

    Users with custom data retention policies enabled might be unable to see or load older messages. We apologize for the trouble and we'll share more news as it becomes available.

  2. investigating Aug 13, 2026, 09:49 PM UTC

    We're continuing to investigate an issue affecting a subset of channels with custom message retention settings. Our teams are working to identify the technical trigger and an appropriate fix. We'll provide an update as more news becomes available.

  3. investigating Aug 14, 2026, 07:35 PM UTC

    We're continuing to investigate an issue affecting a subset of channels with custom message retention settings. Our Teams have restored functionality to the affected retention settings for known impacted customers. We are now working to identify and address any additional concerns regarding the message retention issues.

  4. investigating Aug 14, 2026, 08:20 PM UTC

    After further investigation, the custom retention settings have not fully been restored yet. Our teams have identified the technical trigger and are currently developing a mitigation plan to mitigate the impact to the custom retention settings. All custom retention jobs have been put on hold as the team works to address this issue. We apologize for the confusion, and thank you for bearing with us while we work through this issue.

  5. investigating Aug 14, 2026, 09:39 PM UTC

    We're continuing to investigate an issue affecting a subset of channels with custom message retention settings. Custom channel retention settings have been restored for affected customers. Custom retention jobs remain on hold for some customers as we work to fully resolve the underlying cause regarding the custom message retention issues.

  6. investigating Aug 17, 2026, 09:57 PM UTC

    We're continuing our restoration efforts regarding this issue affecting a subset of channels with custom message retention settings. While we work to resolve this issue, data retention processing remains paused for affected customers. We will provide another update as additional information becomes available.