Thomson Reuters Tax Professionals incident
Virtual Office CS/Software as a Service - US
Thomson Reuters Tax Professionals experienced a notice incident on September 16, 2025 affecting Virtual Office CS / SaaS, lasting 6h 10m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 16, 2025, 02:52 PM UTC
Based on our internal monitoring, we are aware that some customers cannot login to Virtual Office CS, Software as a Service, NetFirm CS, or NetClient CS and are receiving an "Unknown Login Failure" message. We are currently working to restore services and will provide an update as soon as we have more information.
- identified Sep 16, 2025, 04:15 PM UTC
While NetFirm CS and NetClient CS logins are now succeeding, some users may still be experiencing slowness with launching Virtual Office CS and other Software as a Service applications. We have identified the root cause and our teams are working with the highest priority to fully restore performance. We’ll provide another update as soon as we have more information.
- monitoring Sep 16, 2025, 04:59 PM UTC
We have restored the ability to login to Virtual Office CS or Software as a Service. We will continue to closely monitor our internal metrics and customer contacts to ensure the issue is fully resolved. We will continue to monitor the environment and will provide another update at end of business day.
- resolved Sep 16, 2025, 09:02 PM UTC
Our metrics and internal testing continue to indicate the ability to login to Virtual Office and Software as a Service remain in a healthy state. In addition, no new customer contacts have been received that are associated with this issue. Given this, we will move this incident to resolved status.