Halo incident

Service Disruption in the UK

Resolved after 4 hours 2 minutes, affecting Halo Core Application and Trials (Trials — UK), on August 27, 2026.

monitoring Aug 27, 2026, 01:54 PM UTC

UPDATE: We've identified some customers may still be experiencing issues following the fix - please log out and back in again to Halo to resolve these persisting issues. They are due to incorrect tokens created during the outage that are still active, corrected by reauthorising the agent/user.

Started
Aug 27, 2026, 11:39 AM UTC
Resolved
Aug 27, 2026, 03:41 PM UTC
Duration
4h 2m
Detected by Pingoru
Aug 27, 2026, 11:39 AM UTC

Affected components

Halo Core ApplicationTrials (Trials — UK)

Update timeline

  1. investigating Aug 27, 2026, 11:39 AM UTC

    We are currently experiencing service disruption to the core application in the UK, and are currently investigating. We will have further updates once the the issue has been identified.

  2. identified Aug 27, 2026, 12:10 PM UTC

    We have identified the issue and are currently preparing a fix

  3. monitoring Aug 27, 2026, 01:07 PM UTC

    The fix has been implemented and we are now monitoring the situation. Affected customers should find their Halo instances returning to standard operation

  4. monitoring Aug 27, 2026, 01:54 PM UTC

    UPDATE: We've identified some customers may still be experiencing issues following the fix - please log out and back in again to Halo to resolve these persisting issues. They are due to incorrect tokens created during the outage that are still active, corrected by reauthorising the agent/user.

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