Thomson Reuters incident

Failures Experienced for Tax calculations in UAT AWS and OCI due to Scheduled Maintenance

Resolved after 14 hours 36 minutes, affecting ONESOURCE Determination Enterprise Cloud (AWS AMER) and ONESOURCE Determination Enterprise Cloud (AWS EMEA) and 1 more, on July 23, 2026.

investigating Jul 23, 2026, 05:02 AM UTC

We are continuing to investigate this issue.

Started: Jul 23, 2026, 05:02 AM UTC
Resolved: Jul 23, 2026, 07:38 PM UTC
Duration: 14h 36m
Detected by Pingoru: Jul 23, 2026, 05:02 AM UTC

Affected components

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

Update timeline

investigating Jul 23, 2026, 05:02 AM UTC

Dear Customers, We wanted to inform you that we have observed failures while accessing IDT Tax calculation service in UAT environment for Amer and EMEA regions in AWS and OCI between 22:15 CDT to 22:21 CDT on Jul 22, 2026. This was due to ongoing scheduled maintenance activity. Thank you for your understanding and patience
investigating Jul 23, 2026, 05:02 AM UTC

We are continuing to investigate this issue.
resolved Jul 23, 2026, 07:38 PM UTC

This incident has been resolved.

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