Title: Some users’ replies to messages with classifications in Outlook on the web fail to send with an error
User impact: Users’ replies to messages with classifications in Outlook on the web failed to send with an error.
More info: The error stated “Please try again later.”
Users that had access to the Outlook desktop client could have used this method to reply to messages with classifications successfully.
Final status: Our deployment of the fix has completed and the issue is resolved for all affected users.
Scope of impact: Some users attempting to reply to messages with classifications in Outlook on the web were impacted.
Start time: Wednesday, September 20, 2023, at 12:00 AM UTC
End time: Tuesday, October 3, 2023, at 7:00 PM UTC
Root cause: A recent update to Outlook on the web contained a code conflict that prevented some users from replying to messages with classifications as expected.
Next steps:
– We’re reviewing our update testing and validation procedures to identify how impact was missed during testing and better prevent similar future occurrences.
This is the final update for the event.