Visma Nmbrs incident
Sandbox not accessible for specific set of clients
Visma Nmbrs experienced a major incident on October 16, 2025 affecting Sandbox and Sandbox, lasting 7d 3h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 16, 2025, 08:58 AM UTC
We are currently investigating this issue.
- identified Oct 16, 2025, 02:47 PM UTC
The issue has been identified and a fix will be implemented with the Sandbox reset tonight.
- investigating Oct 17, 2025, 06:22 AM UTC
Unfortunately, the previous fix did not resolve the issue. We have restarted our investigation and are working to identify the root cause.
- identified Oct 17, 2025, 03:36 PM UTC
The issue has been identified and a fix will be implemented during this weekend.
- investigating Oct 20, 2025, 07:44 AM UTC
Unfortunately, the previous solutions did not fully resolve the issue. We have resumed our investigation to identify the underlying cause and are working on a permanent fix.
- identified Oct 22, 2025, 09:51 AM UTC
We've identified the issue and a fix will be implemented. We'll keep you updated on the progress.
- monitoring Oct 22, 2025, 08:49 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Oct 23, 2025, 12:09 PM UTC
This incident has been resolved.