Thomson Reuters incident
Users Unable to Access OneSource Accounts Production and Abacus OCT EMEA via SSO
Resolved after 8 hours 41 minutes, affecting EMEA (legacy) Corporate Tax and EMEA (legacy) Statutory Reporting, on August 24, 2026.
We are currently experiencing an issue with our SSO login for OneSource Accounts Production and Abacus OCT EMEA service, which is temporarily unavailable. Our team is actively working to resolve this matter as quickly as possible. We apologise 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.
Affected components
Update timeline
- investigating Aug 24, 2026, 10:19 AM UTC
Users that log in via ONESOURCE Platform to access our hosted environment are facing an error of "Cannot start app" when launching our hosted applications. This is being investigated by our infrastructure team. Please contact customer support who can provide the Citrix address and a temporary password whilst this is investigated. Apologies for the inconvenience.
- investigating Aug 24, 2026, 01:21 PM UTC
We are currently experiencing an issue with our SSO login for OneSource Accounts Production and Abacus OCT EMEA service, which is temporarily unavailable. Our team is actively working to resolve this matter as quickly as possible. We apologise 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.
- resolved Aug 24, 2026, 07:00 PM UTC
This incident has been resolved.
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