Thomson Reuters Outage History

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Thomson Reuters had 62 outages in the last 2 years totaling 544h 16m of downtime — averaging 2.5 incidents per month.

There were 62 Thomson Reuters outages since February 20, 2026 totaling 544h 16m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://corporates-status.thomsonreuters.com

Minor March 21, 2026

ONESOURCE Indirect Tax calculation failures in REST API - AMER PROD

Detected by Pingoru
Mar 21, 2026, 03:10 PM UTC
Resolved
Mar 21, 2026, 04:52 PM UTC
Duration
1h 42m
Affected: ONESOURCE Determination Enterprise Cloud (AWS AMER)
Timeline · 2 updates
  1. identified Mar 21, 2026, 03:17 PM UTC

    We experienced tax calculation failures for our REST API transactions in AMER PROD between 9:45 AM - 9:50 AM CST. We are actively monitoring the situation and will soon update on the latest status.

  2. resolved Mar 21, 2026, 04:52 PM UTC

    Tax calculation failures affected REST API transactions in AMER PROD from 9:45 to 9:50 a.m. CST. The systems have auto-healed, and we are investigating the root cause. We will complete the RCA and share additional details soon.

Read the full incident report →

Minor March 19, 2026

ONESOURCE Corporate Tax - could not merge with template errors

Detected by Pingoru
Mar 19, 2026, 02:44 PM UTC
Resolved
Mar 19, 2026, 04:19 PM UTC
Duration
1h 35m
Affected: EMEA (web) Corporate Tax
Timeline · 2 updates
  1. investigating Mar 19, 2026, 02:44 PM UTC

    We are aware of could not merge with template errors being seen, particularly on the Provisions and Qualifying Donations sheets in calculations using the United Kingdom Corporate Tax template. We're investigating this and apologise for the inconvenience caused.

  2. resolved Mar 19, 2026, 04:19 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor March 13, 2026

Slow Response for GoSystem Tax efile Viewer

Detected by Pingoru
Mar 13, 2026, 10:47 PM UTC
Resolved
Mar 14, 2026, 12:22 AM UTC
Duration
1h 34m
Affected: AMERS GoSystem Tax RS
Timeline · 2 updates
  1. investigating Mar 13, 2026, 10:47 PM UTC

    We are currently experiencing performance issues with efile viewer for GoSystem Tax. Our team is actively working to resolve this matter as quickly as possible. We apologize for any inconvenience and appreciate your understanding and patience. Further updates will be provided here as soon as we have more information, if you have any questions please contact Customer Support.

  2. resolved Mar 14, 2026, 12:22 AM UTC

    This incident has been resolved as of 6:45 PM central time. We will continue to monitor and ensure services remain stable and performant.

Read the full incident report →

Notice March 13, 2026

Intermittent failures while generating reports - AMER PROD

Detected by Pingoru
Mar 13, 2026, 03:01 PM UTC
Resolved
Mar 23, 2026, 06:17 PM UTC
Duration
10d 3h
Affected: Reports and Analytics Enterprise Cloud
Timeline · 4 updates
  1. investigating Mar 13, 2026, 03:01 PM UTC

    Intermittent Issues: We are currently experiencing intermittent issues with the Reporting and analytics feature with our NextGen Reporting and analytics service.

  2. investigating Mar 13, 2026, 04:39 PM UTC

    Dear Customers, We experienced intermittent issue with Reports & Analytics feature in the ONESOURCE Indirect Tax Determination - AMER Production environment between 5:30 AM ET and 10:30 AM ET on March 13th. The issue is already 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.

  3. monitoring Mar 13, 2026, 06:04 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Mar 23, 2026, 06:17 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice March 10, 2026

GoSystem Tax RS in AMERS

Detected by Pingoru
Mar 10, 2026, 11:42 PM UTC
Resolved
Mar 11, 2026, 02:39 PM UTC
Duration
14h 57m
Affected: AMERS GoSystem Tax RSAMERS GoSystem Tax RS API
Timeline · 3 updates
  1. investigating Mar 10, 2026, 11:42 PM UTC

    We are currently experiencing a performance issue with the Messaging and Workflows feature with our GoSystem Tax RS service. Our team is actively working to resolve this matter as quickly as possible. We apologize for any inconvenience and appreciate your understanding and patience. Further updates will be provided here as soon as we have more information, if you have any questions please contact Customer Support.

  2. investigating Mar 11, 2026, 02:20 AM UTC

    The issue has been resolved and we will continue to monitor the situation.

  3. resolved Mar 11, 2026, 02:39 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor March 8, 2026

Intermittent Tax calculation failures in Amer UAT - SOAP & REST

Detected by Pingoru
Mar 08, 2026, 06:51 AM UTC
Resolved
Mar 08, 2026, 11:57 PM UTC
Duration
17h 6m
Affected: ONESOURCE Determination Enterprise Cloud (AWS AMER)
Timeline · 2 updates
  1. investigating Mar 08, 2026, 06:51 AM UTC

    We are currently experiencing intermittent issues with Tax calculation feature with our ONESOURCE Indirect Tax Determination Enterprise service.

  2. resolved Mar 08, 2026, 11:57 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice March 7, 2026

Intermittent latency issues for Tax Calculations in AMER UAT - SOAP & REST

Detected by Pingoru
Mar 07, 2026, 02:45 PM UTC
Resolved
Mar 07, 2026, 04:29 PM UTC
Duration
1h 43m
Affected: ONESOURCE Determination Enterprise Cloud (AWS AMER)
Timeline · 3 updates
  1. investigating Mar 07, 2026, 02:45 PM UTC

    Intermittent Issues: We are currently experiencing intermittent issues with the Tax calculation feature with our ONESOURCE Indirect Tax Determination Enterprise service.

  2. monitoring Mar 07, 2026, 03:00 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Mar 07, 2026, 04:29 PM UTC

    Dear Customers, We experienced intermittent issue with tax calculation SOAP and REST APIs in the ONESOURCE Indirect Tax Determination - AMER UAT environment between 07:50 AM and 08:40 AM CST on March 7. The issue has now been mitigated.. We apologize for any inconvenience this may have caused and appreciate your understanding and patience. Further details will be provided in the formal RCA. If you have any questions, please contact Customer Support.

Read the full incident report →

Notice March 6, 2026

Intermittent latency issues in AMER UAT - SOAP & REST

Detected by Pingoru
Mar 06, 2026, 02:26 PM UTC
Resolved
Mar 06, 2026, 06:13 PM UTC
Duration
3h 47m
Affected: ONESOURCE Determination Enterprise Cloud (AWS AMER)
Timeline · 3 updates
  1. investigating Mar 06, 2026, 02:26 PM UTC

    We are currently experiencing intermittent issues with the Tax calculation feature with our ONESOURCE Indirect Tax Determination Enterprise service.

  2. monitoring Mar 06, 2026, 03:46 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Mar 06, 2026, 06:13 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice March 6, 2026

GoSystem tax customers may see delays in event notifications that may impact workflows.

Detected by Pingoru
Mar 06, 2026, 03:06 AM UTC
Resolved
Mar 06, 2026, 05:46 PM UTC
Duration
14h 39m
Affected: AMERS GoSystem Tax RS
Timeline · 3 updates
  1. investigating Mar 06, 2026, 03:06 AM UTC

    We are currently experiencing delays in processing messaging events with our GoSystem Tax service. Our team is actively working to resolve this matter as quickly as possible. We apologize for any inconvenience and appreciate your understanding and patience. Further updates will be provided here as soon as we have more information. If you have any questions, please contact Customer Support.

  2. monitoring Mar 06, 2026, 04:59 AM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Mar 06, 2026, 05:46 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor March 5, 2026

ONESOURCE GTM -- US Government Filing Disruption

Detected by Pingoru
Mar 05, 2026, 03:55 PM UTC
Resolved
Mar 13, 2026, 06:36 PM UTC
Duration
8d 2h
Affected: Govt Connectivity US - ABI/AES
Timeline · 2 updates
  1. identified Mar 05, 2026, 03:55 PM UTC

    Thomson Reuters is aware of a change made to ACE overnight that is causing entries to reject with the message "TRFF ADJSTMNT CONFLICT - ENT TYPE". It appears that entry line with IEEPA tariffs on will be rejected (no matter the entry or privilege date). We are working on fully confirming the scenarios and expectations for filings based on this update and will continue to post updates as additional guidance is issued. Please also feel free to reach out to your ABI Representative for additional guidance.

  2. resolved Mar 13, 2026, 06:36 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice February 27, 2026

Intermittent UI Slowness in ONESOURCE Indirect Tax Determination Enterprise

Detected by Pingoru
Feb 27, 2026, 06:46 PM UTC
Resolved
Feb 27, 2026, 07:14 PM UTC
Duration
27m
Affected: ONESOURCE Determination Enterprise Cloud (AWS AMER)ONESOURCE Determination Enterprise Cloud (AWS EMEA)ONESOURCE Determination Enterprise Cloud (OCI AMER)
Timeline · 2 updates
  1. monitoring Feb 27, 2026, 06:46 PM UTC

    Dear Customers, We experienced intermittent UI slowness issues in the ONESOURCE Indirect Tax Determination UAT and PROD environments between 06:30 AM CT and 08:00 AM CT today. We apologize for any inconvenience caused and appreciate your understanding and patience. Further details will be provided in the formal RCA. If you have any questions, please contact Customer Support.

  2. resolved Feb 27, 2026, 07:14 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice February 25, 2026

Intermittent tax failures for Soap & REST API-AWS AMER UAT

Detected by Pingoru
Feb 25, 2026, 01:48 PM UTC
Resolved
Feb 27, 2026, 02:33 PM UTC
Duration
2d
Affected: ONESOURCE Determination Enterprise Cloud (AWS AMER)
Timeline · 3 updates
  1. investigating Feb 25, 2026, 01:48 PM UTC

    We are currently experiencing intermittent issues with Tax Calculation feature with our Soap & Rest ApI service.

  2. monitoring Feb 25, 2026, 02:04 PM UTC

    Dear Customers, We experienced intermittent issues with tax calculation SOAP and REST API in the ONESOURCE Indirect Tax Determination - AMER UAT environment between 6:49 AM CT and 7:04 AM CT AM on Feb 25. The issue has now been resolved. 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.

  3. resolved Feb 27, 2026, 02:33 PM UTC

    This incident has been resolved.

Read the full incident report →