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Dragon Systems US and Canada Incident History

Dragon Systems US and Canada is currently operational with all systems functioning normally.

Last checked Jul 21, 2026 4:58 PM UTC from Dragon Systems US and Canada's official status page

Incident History

Showing incidents from the last 15 days

Report: "Error Code: SerializationFailure Details: Unexpected token"

Last update
resolved

This incident has been resolved.

monitoring

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

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

Microsoft has identified the above reported error and working on remediation.

investigating

Microsoft is investigating the above error reported.

Report: "Error Code: SerializationFailure Details: Unexpected token"

Last update
resolved

This incident has been resolved.

monitoring

An issue affecting Dragon and DAX Copilot for EPIC ambient users on Epic Nebula is resolved. 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 Nebulas. Epic has identified and remediated the issue at their end as of 11:36am ET and are actively monitoring. Thank you for your patience and continued partnership.

investigating

Microsoft is currently investigating reports of this error.