Possible DAX/Dragon Copilot Impact

Update timeline

1. identified Apr 16, 2026, 01:18 PM UTC

   Microsoft has identified and is investigating an intermittent service disruption in our US Data Center affecting a subset of DAX Copilot for DMO customers. Symptoms may include: Error messages indicating a problem in displaying summaries. More details will be provided when information is available.

2. identified Apr 16, 2026, 01:42 PM UTC

   We are continuing to work on a fix for this issue.

3. monitoring Apr 16, 2026, 03:07 PM UTC

   Microsoft has identified the root cause of the reported issue related to summary errors affecting a subset of DAX Copilot for DMO customers. Mitigation steps are currently underway, and encounters recorded during the impacted timeframe are expected to recover automatically. Note: There will be no data loss for impacted encounters. At this time, we recommend continuing to use the application as this issue appears to be intermittent. We apologize for any inconvenience and appreciate your continued partnership.

4. monitoring Apr 16, 2026, 08:33 PM UTC

   A fix will be deployed overnight (with no expected downtime)

5. monitoring Apr 16, 2026, 08:33 PM UTC

   We are continuing to monitor for any further issues.

6. resolved Apr 17, 2026, 12:49 PM UTC

   This incident has been resolved.