Admins may see multiple usage reports not updating in the Microsoft 365 admin center

Title: Admins may see multiple usage reports not updating in the Microsoft 365 admin center User impact: Admins may see multiple usage reports not updating in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage reports may not show data since October 6, 2026: - Microsoft App Active Users reports - Overview reports - Forms reports The following usage reports have recovered as of October 12, 2026: - Adoption Score reports - Multi-geo Tenant usage reports - Active user reports - Email Activity reports - Email Apps usage reports - Microsoft 365 Apps usage reports The following usage reports have recovered as of October 15, 2026: - Mailbox usage reports - Microsoft Teams User activity reports - Microsoft 365 Group reports Current status: Our telemetry shows that some reporting data is now flowing as expected; however, admins may continue to encounter issues until the fix is released. We're continuing our development and validation of a fix and will provide a release timeline once available. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Root cause: An upstream process responsible for managing user data is unable to process data as effectively as expected, leading to delays populating user reports. Next update by: Wednesday, October 21, 2026, at 8:30 PM UTC

Title: Admins may see multiple usage reports not updating in the Microsoft 365 admin center User impact: Admins may see multiple usage reports not updating in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage reports may not show data since October 6, 2026: -Microsoft 365 Apps Active Users reports -Overview reports -Forms reports The following usage reports have recovered as of October 12, 2026: - Adoption Score reports - Multi-geo Tenant usage reports - Active user reports - Email Activity reports - Email Apps usage reports - Microsoft 365 Apps usage reports The following usage reports have recovered as of October 15, 2026: - Mailbox usage reports - Microsoft Teams User activity reports - Microsoft 365 Group activity reports Current status: Our enablement of the optimizations to resolve the delayed Microsoft 365 Apps Active Users reports, Overview, and Forms reports is still ongoing, and we'll provide a timeline for the completion of our resolution as one becomes available. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Root cause: Upstream processes responsible for managing user data were unable to process data as effectively as expected, leading to delays populating user reports. Next update by: Monday, October 19, 2026, at 8:30 PM UTC

Title: Admins may see multiple usage reports not updating in the Microsoft 365 admin center User impact: Admins may see multiple usage reports not updating in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage reports may not show data since October 6, 2026: -Microsoft 365 Apps Active Users reports -Overview reports -Forms reports The following usage reports have recovered as of October 12, 2026: - Adoption Score reports - Multi-geo Tenant usage reports - Active user reports - Email Activity reports - Email Apps usage reports - Microsoft 365 Apps usage reports The following usage reports have recovered as of October 15, 2026: - Mailbox usage reports - Microsoft Teams User activity reports - Microsoft 365 Group activity reports Current status: After our optimizations addressed the delays for Mailbox usage, Microsoft Teams User activity, and Microsoft 365 Group activity reports, we've determined that our pipeline is also producing delays for Microsoft 365 Apps Active Users reports, Overview, and Forms reports. We're enabling the same optimizations to affected users which we're expecting to remediate the impact. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Root cause: Upstream processes responsible for managing user data were unable to process data as effectively as expected, leading to delays populating user reports. Next update by: Friday, October 16, 2026, at 8:30 PM UTC

Title: Admins may see multiple usage reports not updating in the Microsoft 365 admin center User impact: Admins may see multiple usage reports not updating in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage reports may not show data since October 6, 2026: - Mailbox usage reports - Microsoft Teams User activity reports - Microsoft 365 Group activity reports The following usage reports have recovered as of October 12, 2026: - Adoption Score reports - Multi-geo Tenant usage reports - Active user reports - Email Activity reports - Email Apps usage reports - Microsoft 365 Apps usage reports Current status: We've identified that additional server-side optimizations are needed to fully remediate the impact. We're applying these optimizations to the remaining affected users and continuing to monitor the affected report types to validate full recovery. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Root cause: Upstream processes responsible for managing user data were unable to process data as effectively as expected, leading to delays populating user reports. Next update by: Thursday, October 15, 2026, at 8:30 PM UTC

Title: Admins may see multiple usage reports not updating in the Microsoft 365 admin center User impact: Admins may see multiple usage reports not updating in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage reports may not show data since October 6, 2026: - Mailbox usage reports - Microsoft Teams User activity reports - Microsoft 365 Group activity reports The following usage reports have recovered as of October 12, 2026: - Adoption Score reports - Multi-geo Tenant usage reports - Active user reports - Email Activity reports - Email Apps usage reports - Microsoft 365 Apps usage reports Current status: We've completed our additional service-side optimizations and received some reports from impacted users that this issue has been remediated. We're continuing to monitor the final impacted report types to validate recovery. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Root cause: Upstream processes responsible for managing user data were unable to process data as effectively as expected, leading to delays populating user reports. Next update by: Wednesday, October 14, 2026, at 9:00 PM UTC

Title: Admins may see multiple usage reports not updating in the Microsoft 365 admin center User impact: Admins may see multiple usage reports not updating in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage reports may not show data since October 6, 2026: - Mailbox usage reports - Microsoft Teams User activity reports - Microsoft 365 Group activity reports The following usage reports have recovered as of October 12, 2026: - Adoption Score reports - Multi-geo Tenant usage reports - Active user reports - Email Activity reports - Email Apps usage reports - Microsoft 365 Apps usage reports Current status: We've updated the "More info" section to reflect the current processing delays for the impacted report types. While we've remediated the issues which led to the majority of delays across the listed report types, we're completing additional optimization to ensure that the data reporting delays for the remaining three report types recover as quickly and efficiently as possible. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Root cause: Upstream processes responsible for managing user data were unable to process data as effectively as expected, leading to delays populating user reports. Next update by: Tuesday, October 13, 2026, at 9:00 PM UTC

Title: Admins may see multiple usage reports not updating in the Microsoft 365 admin center User impact: Admins may see multiple usage reports not updating in the Microsoft 365 admin center. More info: The following usage reports may not show data since October 5, 2026: - Microsoft 365 Group Activity reports - Adoption score reports - Microsoft Teams usage reports - Microsoft Teams per-channel analytics - Multi-geo Tenant usage reports The following usage reports may not show data since October 4, 2026: - Active user reports - Email Activity reports - Email Apps usage reports - Mailbox usage reports - Microsoft 365 Apps usage reports Current status: We've updated the More info section of this communication to indicate that a portion of some of the reports with stale data since October 3, 2026 now include data through October 5, 2026. We'll continue to update that portion of our messaging while the remediation actions progress through the backlog of data ingestion. need to monitor in order to provide a better timeline for remediation is taking longer than expected. We continue to monitor as the backlog of data processes. We anticipate that a better timeline will be available with our next communication. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Root cause: Upstream processes responsible for managing user data were unable to process data as effectively as expected, leading to delays populating user reports. Next update by: Monday, October 12, 2026, at 9:00 PM UTC

Title: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center User impact: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center. More info: The following usage report types may show data from prior to October 3, 2026: - Microsoft 365 Group Activity reports - Adoption score reports - Microsoft Teams usage reports - Microsoft Teams per-channel analytics - Multi-geo Tenant usage reports The following usage reports have recovered as of October 8, 2026, and show data up to October 4, 2026: - Active user reports - Email Activity reports - Email Apps usage reports - Mailbox usage reports - Microsoft 365 Apps usage reports Current status: We've enabled our long-term fix, but we're continuing our monitoring of service health as the backlog processes to ensure that this fully remediates the issue. We anticipate that our monitoring will also help us provide more information on our timeline by our next scheduled communications update, Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Root cause: Upstream processes responsible for managing user data were unable to process data as effectively as expected, leading to delays populating user reports. Next update by: Friday, October 9, 2026, at 9:00 PM UTC

Title: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center User impact: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage report types may show delays after October 3, 2026: - Active user reports - Email Activity reports - Email Apps usage reports - Mailbox usage reports - Microsoft 365 Apps usage reports - Microsoft Teams usage reports - Microsoft 365 Group Activity reports - Adoption Score reports Current status: While our efforts to enable our long-term fix are ongoing, we're continuing to rebalance service traffic to provide an interim improvement to data freshness for impacted users. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Next update by: Thursday, October 8, 2026, at 9:00 PM UTC

Title: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center User impact: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage report types may have been delayed since September 29, 2026: - Active user reports - Email Activity reports - Email Apps usage reports - Mailbox usage reports - Microsoft 365 Apps usage reports - Microsoft Teams usage reports - Microsoft 365 Group Activity reports - Adoption Score reports Current status: Following our traffic optimizations to the affected subset of service infrastructure, we're monitoring their recovery and the reduction of data reporting delays. We're expecting clarity into our mitigation timeline by our next scheduled communication update. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Next update by: Wednesday, October 7, 2026, at 9:00 PM UTC

Title: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center User impact: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage report types may have been delayed since September 29, 2026: - Active user reports - Email Activity reports - Email Apps usage reports - Mailbox usage reports - Microsoft 365 Apps usage reports - Microsoft Teams usage reports - Microsoft 365 Group Activity reports - Adoption Score reports Current status: We've continued to observe significant recovery in data reporting delays for the impacted report types. However, our monitoring of service health telemetry has allowed us to identify a portion of service infrastructure that is underperforming and which is resulting in continued impact. We're analyzing our next steps so that we can develop a timeline for full remediation. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Next update by: Tuesday, October 6, 2026, at 9:00 PM UTC

Title: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center User impact: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center. As of Friday, October 2, 2026, the following usage report types are no longer delayed: - Active User reports - Email Activity reports - Email Apps usage reports - Mailbox usage reports - Microsoft 365 Apps usage reports - Group Activity reports -Teams Activity reports As of Wednesday, September 23, 2026, the following usage report types are no longer delayed: - Microsoft Teams usage reports - Group Activity reports As of Sunday, September 20, 2026, the following usage report types are no longer delayed: -Adoption Score reports More info: As of Friday, October 2, 2026, the following usage report types are no longer delayed: - Active User reports - Email Activity reports - Email Apps usage reports - Mailbox usage reports - Microsoft 365 Apps usage reports - Microsoft 365 Group Activity reports - Teams Activity reports As of Wednesday, September 23, 2026, the following usage report types are no longer delayed: - Microsoft Teams usage reports - Microsoft 365 Group Activity reports As of Sunday, September 20, 2026, the following usage report types are no longer delayed: - Adoption Score reports Current status: We've verified that a significant portion of the scenarios listed in the "More info" section have recovered. We're continuing to monitor the remaining impacted report types, which we anticipate will recover by the time of our next scheduled communications update on Monday, October 5, 2026. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Next update by: Monday, October 5, 2026, at 9:00 PM UTC

Title: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center User impact: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage report types are delayed since September 19, 2026: - Microsoft Teams usage reports - Microsoft 365 Group Activity reports - Mailbox usage reports The following report types are delayed since September 23, 2026: - Email Activity reports - Email Apps usage reports - Active User reports - Copilot Readiness reports - Microsoft 365 Apps usage reports Current status: While our investigation into the combination of issues that are resulting in impact is ongoing, we're continuing to monitor as additional reporting is generated and made available to admins. Most scenarios are showing improvement, and we'll provide a complete remediation timeline once available. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Next update by: Friday, October 2, 2026, at 7:00 PM UTC

Title: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center User impact: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage report types are delayed since September 19, 2026: - Microsoft Teams usage reports - Microsoft 265 Group Activity reports - Mailbox usage reports The following report types are delayed since September 23, 2026: - Email Activity reports - Email Apps usage reports - Active User reports - Copilot Readiness reports - Microsoft 365 Apps usage reports Current status: We've identified that there are multiple issues impacting different groups of usage report types in the Microsoft 365 admin center. We're working to isolate all underlying causes of impact, and at this time, we're aware of a code issue occurring within an upstream dependency service that's causing impact to a portion of the affected reports. While we work to confirm which reports are affected by the upstream code issue, we've successfully implemented mitigation and restored Email Activity reports, Email Apps usage reports, and Active User reports to expected functionality. Our investigation is still ongoing to identify what caused these three reports to be impacted, and which other reports are facing a similar issue where this mitigation strategy can be implemented. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Next update by: Thursday, October 1, 2026, at 8:00 PM UTC

Title: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center User impact: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage report types are delayed since September 19, 2026: - Microsoft Teams usage reports - Microsoft 365 Group Activity reports - Mailbox usage reports The following report types are delayed since September 23, 2026: - Email Activity reports - Email Apps usage reports - Active User reports - Copilot Readiness reports - Microsoft 365 Apps usage reports Current status: Our investigation into the underlying cause is ongoing, while in parallel looking into methods to improve reporting throughput. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Next update by: Wednesday, September 30, 2026, at 5:30 PM UTC

Title: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center User impact: Admins may see multiple usage report types experiencing varying delays in the Microsoft 365 admin center. More info: Due to the delay in data propagation, impacted usage reports may not be viewable. The following usage report types are delayed since September 19, 2026: - Microsoft Teams usage reports - Microsoft 365 Group Activity reports - Mailbox usage reports The following report types are delayed since September 23, 2026: - Email Activity reports - Email Apps usage reports - Active User reports - Copilot Readiness reports - Microsoft 365 Apps usage reports Current status: After further review, we've validated that more tenants are impacted than initially diagnosed, and we've expanded communications to all potentially affected tenants. We've updated the "Title", "User impact", and "Scope of impact" fields of our communications to reflect this change and we've outlined the delayed usage report types in the "More info" section of this communication. We're analyzing delayed report types to isolated potential discrepancies and to determine our next troubleshooting steps. Scope of impact: Some admins may not see updated usage reports in the Microsoft 365 admin center with varying delays. This section may be updated as the investigation progresses. Next update by: Tuesday, September 29, 2026, at 11:00 PM UTC

Title: Admins see Microsoft Teams usage reports not being updated since September 1, 2026, in the Microsoft 365 admin center User impact: Admins see Microsoft Teams usage reports not being updated since September 1, 2026, in the Microsoft 365 admin center. Current status: We've received reports from your representatives that the impact scenario documented in MO1476333 is still ongoing. We're reviewing the latest reports of impact to further our understanding of the current impact scenario and to determine our next troubleshooting steps. Scope of impact: Your organization is affected by this event, and your admins don’t see updated Microsoft Teams usage reports in the Microsoft 365 admin center since September 1, 2026. This section may be updated as the investigation progresses. Next update by: Tuesday, September 29, 2026, at 5:00 PM UTC