Critical incident

Thomson Reuters Legal: Global CIAM Authentication Issue

Oct 27, 2026, 01:20 UTC

started

03:49 UTC

resolved

2 h 30 min

duration

Affected: Practical Law US, CLEAR, CoCounsel Core - US, Practical Law Canada, APAC HighQ (Collaborate), CoCounsel Core - CAN, Practical Law UK, Westlaw US, CoCounsel Core - UK, Westlaw Canada, CAN HighQ (Collaborate), Practical Law ANZ, CoCounsel Core - AU, Westlaw UK, CoCounsel Core - EU, EMEA HighQ (Collaborate), Westlaw ANZ, Westlaw International, UAE HighQ (Collaborate), UK HighQ (Collaborate), USA HighQ (Collaborate)

Current status of Thomson Reuters Legal: Operational — live Thomson Reuters Legal status

Timeline

Oct 27, 2026, 01:20 UTC
investigating
HighQ users globally are receiving a "You do not have access to this site" error message when authenticating through CIAM. We are investigating the issue.
Oct 27, 2026, 01:36 UTC
investigating
The incident is broadly affecting CIAM authentication across Thomson Reuters products. We continue to investigate the issue.
Oct 27, 2026, 01:57 UTC
investigating
We are continuing to investigate this issue.
Oct 27, 2026, 02:06 UTC
investigating
We are continuing to investigate this issue.
Oct 27, 2026, 02:36 UTC
investigating
We are continuing to investigate this issue.
Oct 27, 2026, 03:18 UTC
monitoring
A fix has been implemented and we are monitoring the results.
Oct 27, 2026, 03:49 UTC
resolved
This incident has been resolved.

Updates as published by Thomson Reuters Legal (original).

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