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.
Posted Jul 15, 2026 - 10:26 EDT
Update
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.
Posted Jul 15, 2026 - 09:39 EDT
Identified
Microsoft has identified the above reported error and working on remediation.
Posted Jul 15, 2026 - 09:18 EDT
Investigating
Microsoft is investigating the above error reported.
Posted Jul 15, 2026 - 08:57 EDT
This incident affected: DAX Copilot for Epic (DAX Copilot for Epic - Audio Recording).