Nuance incident

Error Code: SerializationFailure Details: Unexpected token

Nuance experienced a notice incident on July 14, 2026 affecting DAX Copilot for Epic - Audio Recording, lasting 1h 35m. The incident has been resolved; the full update timeline is below.

Started: Jul 14, 2026, 03:50 PM UTC
Resolved: Jul 14, 2026, 05:25 PM UTC
Duration: 1h 35m
Detected by Pingoru: Jul 14, 2026, 03:50 PM UTC

Affected components

DAX Copilot for Epic - Audio Recording

Update timeline

investigating Jul 14, 2026, 03:50 PM UTC

Microsoft is currently investigating reports of this error.
monitoring Jul 14, 2026, 04:57 PM UTC

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.
resolved Jul 14, 2026, 05:25 PM UTC

This incident has been resolved.