Microsoft 365 Alert: Service degradation – Microsoft Teams – Users see a blank chat window when messaging users via a third-party virtual desktop – NEW

13-10-2021 08:32:00 AM (BST)

Issue Reported: 08/10/2021 06:00:00 AM

Microsoft Reference : TM291011

Issue Status: OPEN

Issue Description: Users see a blank chat window when messaging users via a third-party virtual desktop.

More info: Microsoft recommends that users who have access to the Microsoft Teams web client use that connection method as an alternative method to access the service. They also recommend that users restart their Microsoft Teams client as a potential mitigation while they investigate this issue.

Scope of impact: Impact is specific to a limited number of third-party virtual desktop users.

Current Update – 13/10/2021 08:32:00 AM : Microsoft identified that a recent service update intended to optimize the chat app infrastructure contained a compatibility issue, causing impact. They reverted this change to mitigate impact, but have confirmed this has not fully alleviated impact. Microsoft suggests that users manually restart their Microsoft Teams desktop client to potentially resolve impact while they continue investigating available diagnostic logs to determine if additional mitigations actions are necessary.

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