Outage in Nuance Dragon Medical
Error Code: SerializationFailure Details: Unexpected token
Resolved MinorIncident Report
Summary AI Generated
Nuance Dragon Medical / DAX Copilot experienced a 2.5-hour outage on July 15, 2026, affecting ambient users on Epic Nebula who were unable to launch DAX/Dragon Copilot within Epic Haiku, receiving a SerializationFailure error indicating a server communication failure. Microsoft identified the issue, applied remediation, and monitored for stability before confirming full resolution.
Microsoft is investigating the above error reported.
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Latest Updates ( sorted recent to last )
RESOLVED
10 days ago - at 07/15/2026 03:27PM
This incident has been resolved.
MONITORING
10 days ago - at 07/15/2026 02:26PM
Microsoft has remediated an issue affecting Dragon and DAX Copilot for EPIC ambient users on Epic Nebula.
DAX/Dragon Copilot launch in Epic Haiku was failing with the following message:
An error was encountered while communicating with the server. Seek assistance from an administrator if the problem persists. Code: SerializationFailure Details: Unexpected token.
Impact is specifically attributed to: Ambient users on Epic Nebula.
Thank you for your patience and continued partnership.
IDENTIFIED
10 days ago - at 07/15/2026 01:39PM
Microsoft is investigating an issue affecting Dragon and DAX Copilot for EPIC ambient users on Epic Nebula.
DAX/Dragon Copilot launch in Epic Haiku was failing with the following message:
An error was encountered while communicating with the server. Seek assistance from an administrator if the problem persists. Code: SerializationFailure Details: Unexpected token.
Impact is specifically attributed to: Ambient users on Epic Nebula.
Remediation actions have been taken and improved performance has been observed. Microsoft is closely monitoring and will update the status accordingly.
Thank you for your patience and continued partnership.
IDENTIFIED
10 days ago - at 07/15/2026 01:18PM
Microsoft has identified the above reported error and working on remediation.
INVESTIGATING
10 days ago - at 07/15/2026 12:57PM
Microsoft is investigating the above error reported.
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