Title: Some users may be unable to access the Microsoft 365 web sign-in page and the Microsoft 365 Copilot web sign‑in page User impact: Users may be unable to access the Microsoft 365 web sign-in page and the Microsoft 365 Copilot web sign‑in page. More info: Users can access Microsoft Copilot through application-based Microsoft Copilot services. This includes, but is not limited to: - Microsoft Copilot desktop app - Copilot in Microsoft Teams - Copilot in Office apps User may be able to leverage https://m365.cloud.microsoft/search, and should be able to sign in using this page. Once signed in, users can access Office.com. Current status: We've identified that a section of service infrastructure is not processing traffic efficiently. We're making configuration changes to remediate impact. Scope of impact: Impact is specific to some users who are served through the affected infrastructure. Root cause: The infrastructure that supports access to the Microsoft 365 web sign-in page and the Microsoft 365 Copilot web sign-in page is not processing traffic efficiently, preventing some users from accessing the service pages. Next update by: Friday, April 3, 2026, at 12:30 AM UTC

Title: Users may be unable to access or have delays accessing the Microsoft 365 admin center User impact: Users may be unable to access or have delays accessing the Microsoft 365 admin center Current status: We're investigating reports of an issue in which users may be unable to access or have delays accessing the Microsoft 365 admin center. We are reviewing service telemetry and available information to determine if there is an issue happening and we'll update this message shortly with our latest findings. Scope of impact: Any users attempting to access the Microsoft 365 admin center may be impacted. Next update by: Thursday, April 2, 2025, at 9:00 PM UTC

Title: Users may be intermittently unable to access their Exchange Online mailboxes in some connection methods User impact: Users may be intermittently unable to access their Exchange Online mailboxes in some connection methods. More info: This issue may intermittently impact some users who attempted to access the Exchange Online service through the Outlook mobile apps or the new Outlook for Mac desktop client. Current status: We've received reports from affected tenants that the impact scenario originally communicated through SHD EX1256020 is still ongoing. We're working to restart the Notification Broker service on affected portions of Exchange Online service infrastructure to remediate impact while we continue our analysis into the underlying root cause. Scope of impact: Impact may occur intermittently for some users accessing their Exchange Online mailboxes in the Outlook mobile apps or the new Outlook for Mac desktop client. This section may be updated as our investigation progresses. Next update by: Thursday, April 2, 2026, at 11:30 PM UTC

We are currently investigating a service degradation with a subset of users who upgraded Zoom Workplace client to 7.0.0 or 7.0.1 (Windows) version who are experiencing Zoom Chat stuck at "connecting..." status. Our team is actively working to identify the impact and root cause. We will provide an update as soon as more information becomes available. We appreciate your patience as we work to resolve this issue.

We’re investigating a performance issue.

We’re investigating a performance issue.

We’re investigating a performance issue.

We’re investigating a performance issue.