Thomson Reuters incident

Intermittent High latency and failures for Tax calculations in AWS , OCI PROD

Minor Resolved View vendor source →

Thomson Reuters experienced a minor incident on April 25, 2026 affecting ONESOURCE Determination Enterprise Cloud (AWS AMER) and ONESOURCE Determination Enterprise Cloud (OCI AMER) and 1 more component, lasting 1h 9m. The incident has been resolved; the full update timeline is below.

Started
Apr 25, 2026, 06:29 AM UTC
Resolved
Apr 25, 2026, 07:38 AM UTC
Duration
1h 9m
Detected by Pingoru
Apr 25, 2026, 06:29 AM UTC

Affected components

ONESOURCE Determination Enterprise Cloud (AWS AMER)ONESOURCE Determination Enterprise Cloud (OCI AMER)ONESOURCE Determination Anywhere (AWS AMER)ONESOURCE Determination Anywhere (OCI AMER)

Update timeline

  1. investigating Apr 25, 2026, 06:29 AM UTC

    Dear Customers, we wanted to inform you that we are experiencing high latency & intermittent failures for oauth service in AWS and OCI Production environment. Technical teams are currently working on it with high priority to restore the services. More details to follow soon. Thank you for your understanding and patience

  2. investigating Apr 25, 2026, 06:30 AM UTC

    We are continuing to investigate this issue.

  3. investigating Apr 25, 2026, 07:03 AM UTC

    We are continuing to investigate this issue.

  4. resolved Apr 25, 2026, 07:38 AM UTC

    Dear Customers, We experienced issues for new OAuth token generations in AMER Production environment between 1:50 AM and 3:11 AM EST on April 25th. The issue is mitigated now. We apologize for any inconvenience and appreciate your understanding and patience. Further details will be provided in the formal RCA. If you have any questions, please contact Customer Support.