Outage in Microsoft 365
Some users may see the Teams chat icon is missing when using the new chat and channels experience in Microsoft Teams
Resolved Minor
September 04, 2026 - Started 2 days ago
- Lasted about 2 hours
Incident Report
Summary AI Generated
A faulty code deployment to the Microsoft Teams service app catalog caused the Chats and Channels app icon to disappear from the pin bar for some users using the new chat and channels experience across all Teams clients. The incident lasted approximately 2.1 hours, with Microsoft reverting the problematic deployment to resolve the issue. As a temporary workaround, users were advised to enable the "separate" view to split Chats and Channels independently.
Title: Some users may see the Teams chat icon is missing when using the new chat and channels experience in Microsoft Teams
User impact: Users may see the Teams chat icon is missing when using the new chat and channels experience in Microsoft Teams.
More info: All Microsoft Teams clients are impacted.
Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.
User impact: Users may see the Teams chat icon is missing when using the new chat and channels experience in Microsoft Teams.
More info: All Microsoft Teams clients are impacted.
Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.
Components affected
Microsoft TeamsTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
2 days ago - at 09/04/2026 04:58AM
Title: Some users may see the Teams chat icon is missing when using the new chat and channels experience in Microsoft Teams
User impact: Users may see the Teams chat icon is missing when using the new chat and channels experience in Microsoft Teams.
More info: Specifically, the Chats and Channels app icon may be missing from the pin bar when using the new chat and channels experience on any Microsoft Teams clients.
To avoid this issue, users can choose to separate Chats from Channels by enabling the "separate" view in Microsoft Teams.
Current status: We've identified a code issue in a recent deployment to the service app catalog, which is preventing some app icons from appearing when using the new chat and channels experience in Microsoft Teams. We're reverting the offending deployment to remediate impact, and we'll aim to provide a resolution timeline once available. While impacted users wait for the fix to be deployed, we recommend users separate Chats from Channels by enabling the "separate" view in Microsoft Teams.
Scope of impact: Some users who are using the new chat and channels experience in Microsoft Teams may be impacted. This information may be updated as our investigation continues.
Root cause: A code issue in a recent deployment to the service app catalog is preventing some app icons from appearing when using the new chat and channels experience in Microsoft Teams.
Next update by: Friday, September 4, 2026, at 6:30 AM UTC
2 days ago - at 09/04/2026 04:33AM
Title: Some users may see the Teams chat icon is missing when using the new chat and channels experience in Microsoft Teams
User impact: Users may see the Teams chat icon is missing when using the new chat and channels experience in Microsoft Teams.
More info: All Microsoft Teams clients are impacted.
Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.
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