Assembly Neos incident

Document Access Intermittent - Upstream Microsoft 365 Service Degradation

Notice Resolved

Assembly Neos experienced a notice incident on May 26, 2026 affecting Neos Web App and Neos API, lasting 2h 47m. The incident has been resolved; the full update timeline is below.

Started
May 26, 2026, 03:17 PM UTC
Resolved
May 26, 2026, 06:05 PM UTC
Duration
2h 47m
Detected by Pingoru
May 26, 2026, 03:17 PM UTC

Affected components

Neos Web AppNeos API

Update timeline

  1. investigating May 26, 2026, 03:17 PM UTC

    We are observing elevated 503 Service Unavailable responses from Microsoft services on a subset of calls in the EastUS region. We're investigating with Microsoft, and in the meantime, you can attempt to retry your action, as the issue is intermittent.

  2. monitoring May 26, 2026, 05:31 PM UTC

    We have implemented some mitigations and have observed the errors have been resolved. We are currently monitoring the result.

  3. resolved May 26, 2026, 06:05 PM UTC

    This incident has been resolved.