Microsoft 365 admin center: Usage reports migrating to new domains

Microsoft 365 admin center Usage reports domains will change starting mid-August 2026, with current and new domains active in parallel for at least 30 days. Organizations must update firewall, proxy, and scripts to include new domains to avoid access issues. Redirects and domain retirements will be announced later. What and why: As part of Microsoft’s domain consolidation initiative, Microsoft 365 admin center Usage reports will begin resolving new domains. Both the current and the new domains will remain active in parallel for a minimum of 30 days following this post, so Usage reports will continue to load on the current domains while you update your network configuration. Redirection of the current domains to the new domains is not scheduled at this time. Any redirect will occur no earlier than September 17, 2026, subject to validation and approval, and we will announce the timing in a separate Message center post before it takes effect. The current domains will be retired at a later date following the redirect, and we will communicate that timing separately as well, so adding the new domains to your network configuration is required rather than optional. There is no change to the Usage reports experience, data, or permissions — this is a domain change only. Rollout schedule: Worldwide: We will begin rolling out on mid-August 2026 and expect to complete by mid-August 2026. GCC: We will begin rolling out on mid-August 2026 and expect to complete by late August 2026. GCC High: We will begin rolling out on late August 2026 and expect to complete by late August 2026. DoD: We will begin rolling out on late August 2026 and expect to complete by early September 2026. Impact on your organization: Usage reports in the Microsoft 365 admin center will begin resolving to new domains, per cloud environment: Environment Current domain New domain Commercial (Worldwide) reports.office.com usage-reports.core.microsoft GCC Moderate reports.office.com (shared with commercial) gcc.usage-reports.core.microsoft GCC High reports.office365.us usage-reports.usgovcloud-core.microsoft DoD reports.apps.mil dod.usage-reports.usgovcloud-core.microsoft Enter the new domains exactly as shown when you update your network configuration. If your organization uses firewall rules, proxy allowlists, or conditional access policies that […]

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