Crossref incident
Admin tool - doi.crossref.org - returning 503 status code error - service unavailable
Crossref experienced a critical incident on September 20, 2025 affecting Admin tool, lasting 5h 59m. The incident has been resolved; the full update timeline is below.
Affected components
Admin tool
Update timeline
- investigating Sep 20, 2025, 08:08 PM UTC
We are currently investigating this issue. -IF
- identified Sep 20, 2025, 08:39 PM UTC
The issue has been identified and a fix is being implemented. -IF
- monitoring Sep 20, 2025, 08:59 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Sep 21, 2025, 02:07 AM UTC
This incident has been resolved.