Microsoft 365 Alert – Service Degradation – Microsoft Teams – Users can’t access embedded services in Microsoft Teams – ONGOING

20/05/2026 08:39:00 AM

NHSmail Reference: INC46831258

Microsoft Reference: TM1316321

Issue Status: ONGOING

Issue Description: Users can’t access embedded services in Microsoft Teams.

More info: Specifically, the button to give consent is greyed out and unable to be clicked within the consent dialogue popup. This issue only impacts embedded services which contain model-driven apps.

This issue may potentially affect the following embedded services in Microsoft Teams:
– Dynamics 365 Sales
– Dynamics 365 Customer Insights – Journeys
– Dynamics 365 Customer Insights – Data
– Dynamics 365 Customer Service
– Dynamics 365 Contact Center
– Dynamics 365 Field Service
– Microsoft Dataverse

Current Update: 20/05/2026 08:40:00 AM–Microsoft after developing the aforementioned fix and deploying it to their internal testing environment, they have determined that this fix isn’t a viable option. They are exploring other potential solutions to address the issue.

Scope of impact: Your organization is affected by this event, and all users who attempt to access an embedded service with a model-driven application are impacted. This section may be updated as our investigation continues.

Root cause: A misconfiguration in service infrastructure impacted consent dialogue generation, resulting in impact.

Next update by: Wednesday, May 20, 2026, at 6:00 PM UTC