AdvancedMD incident
EHR Notes Error – "Control Not Found" (Error 404)
AdvancedMD experienced a major incident on March 20, 2026 affecting Electronic Health Records (EHR), lasting 3h 26m. The incident has been resolved; the full update timeline is below.
Affected components
Electronic Health Records (EHR)
Update timeline
- investigating Mar 20, 2026, 01:42 PM UTC
We are investigating an issue where clients are receiving a "Control Not Found" 404 error when saving a sub note. Our technical teams are engaged and actively working to resolve the issue. Incident managers will continue to provide updates here as additional information becomes available.
- investigating Mar 20, 2026, 03:00 PM UTC
We are continuing to investigate this issue.
- identified Mar 20, 2026, 04:02 PM UTC
The issue has been identified and a fix is being implemented.
- monitoring Mar 20, 2026, 04:43 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Mar 20, 2026, 05:09 PM UTC
This incident has been resolved.