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(Resolved)Service Disruption: Unable to Access the Microsoft 365 Portal

As of 8:44 AM on October 30, 2025, an issue is occurring that prevents access to the Microsoft 365 portal site.

However, Microsoft 365 applications such as Outlook, SharePoint, and OneDrive remain available and can be used as usual.

You can still access Microsoft 365 from the following URL: https://m365.cloud.microsoft/apps/?auth=2&origindomain=microsoft365

The recovery time for this issue is currently under investigation.

[Update 14:55, October 30, 2025] An announcement stated that access was restored at 13:45 on October 30, 2025.

Collaborative Infrastructure Working Group, Information Infrastructure Initiative, Kyushu University