Crossref: Errors logging in to the test admin tool - test.crossref.org

Crossref · crossref.orgImpact: majorResolved2026-09-21 09:18 UTC

Public — what happened

Summary

This incident has been resolved. Members can now log in to our test admin tool - test.crossref.org - as normal. Between approximately 21:30 UTC on 20 September and 08:30 UTC on 21 September, members attempting to log in saw the error "Error connecting to the authentication service." Our technical team restored the service and confirmed that login is working again.

Timeline

Started — 2026-09-21 02:57 UTC
Last update — 2026-09-21 09:18 UTC
Resolved — 2026-09-21 09:18 UTC

Source of record: provider status page. Mirrored as reported; times in UTC.

With SquidGrid — where it starts on the route

Independent path health

The status page is the symptom. SquidGrid measures the paths that reach Crossref against their own baselines — whether the routes carrying your traffic degraded, at which handoff, and who owns that stretch.

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