Is Microsoft 365 (Admin Center) down?

User impact: Users are unable to access Microsoft 365 Copilot Chat or portal.office.com. More info: Admins may be able to access the Microsoft 365 admin center via admin.cloud.microsoft as a temporary solution. Additionally, Copilot in Microsoft Teams is not expected to be impacted and can be leveraged in the interim while we mitigate the issue. Current status: This is a continuation of a communication posted under CW1387674. We’ve identified an issue with a recent deployment for Microsoft Copilot. We’re reverting to a previous build to remediate impact as soon as possible. We expect this to be completed in the next 30 minutes. Scope of impact: Our investigation indicates that any user or admin may be affected by this event. This section is subject to change as the investigation continues. Start time: Thursday, June 11, 2026, at 8:00 PM UTC Estimated time to resolve: We expect the reversion to be complete in the next 30 minutes. Root cause: The root cause is still being investigated. We will provide more information in our next update. Next update by: Thursday, June 11, 2026, at 10:00 PM UTC

More info: As a workaround, admins may be able to access the Microsoft 365 admin center via admin.cloud.microsoft as a temporary solution. Start time: Thursday, June 11, 2026, at 8:00 PM UTC Current status: This is a continuation of a communication posted under CW1387674. We’ve identified an issue with a recent deployment for Microsoft Copilot. We’re reverting to a previous build to remediate impact as soon as possible. We expect this to be completed in the next 30 minutes. Next update by: Thursday, June 11, 2026, at 10:00 PM UTC

This site is updated when service issues are preventing tenant administrators from accessing Service health in the Microsoft 365 admin center. Alternatively, customers can reference https://www.twitter.com/MSFT365Status for additional insights into widespread, active incidents