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This incident has been resolved.
Users attempting to access M365 services and portals such as Exchange Online, M365 Office Suite, Teams, OneDrive and Planner may have issues. Users can try going to https://m365.cloud.microsoft/apps and selecting their application from there as a workaround.
Microsoft has confirmed that they are in the process of deploying a healthy configuration change to recover the affected services.
The next update is scheduled for October 29, 2025 at 19:30.
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