Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays

Title: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays User impact: Admin usage reports for Microsoft 365 apps and Exchange Online may have seen refresh delays. More info: Admins may have seen delays for the following usage reports: - Microsoft 365 Apps Usage - Active Users - Exchange Email - Mailbox The last updated date for these reports may have been October 18th, 2026, or later depending on the report. Final status: Following the successful deployment of our fix, our internal service telemetry has verified that the offending upstream pipeline issues have been addressed, and that the impact has been remediated. Scope of impact: Admins who review Microsoft 365 reports in the Microsoft 365 admin center may have been impacted and saw delayed reporting information. Start time: Friday, October 23, 2026, at 12:00 AM UTC End time: Thursday, October 29, 2026, at 5:47 PM UTC Root cause: An issue with the pipeline for our upstream data source responsible for timely report data in the admin center was causing reporting delays. Next steps: - We're further analyzing the isolated upstream pipeline problems to help us prevent similar impacting issues in the future. This is the final update for the event.

Title: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays User impact: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays. More info: This includes the following usage reports: - Microsoft 365 Apps Usage - Active Users - Exchange Email - Mailbox The last updated date for these reports may be October 18th, 2026, or later depending on the report. Current status: Our fix to address the remaining delays for Microsoft 365 Apps Usage, Exchange Email, and Mailbox reports has nearly completed and much of the usage reports are now up-to-date. We expect this will complete by our next scheduled update and completely remediate impact. Scope of impact: Admins who review Microsoft 365 reports in the Microsoft 365 admin center may be impacted and see delayed reporting information. This information may be updated as our investigation continues. Start time: Friday, October 23, 2026, at 12:00 AM UTC Root cause: An issue with the pipeline for our upstream data source responsible for timely report data in the admin center is causing reporting delays. Next update by: Thursday, October 29, 2026, at 11:30 PM UTC

Title: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays User impact: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays. More info: This includes the following usage reports: - Microsoft 365 Apps Usage - Active Users - Exchange Email - Mailbox The last updated date for these reports may be October 18th, 2026, or later depending on the report. Current status: Our fix to address the remaining delays for Microsoft 365 Apps Usage, Exchange Email, and Mailbox reports is taking longer to complete than anticipated. We'll continue to closely monitor this deployment and provide an updated remediation timeline as soon as one is available. Scope of impact: Admins who review Microsoft 365 reports in the Microsoft 365 admin center may be impacted and see delayed reporting information. This information may be updated as our investigation continues. Start time: Friday, October 23, 2026, at 12:00 AM UTC Root cause: An issue with the pipeline for our upstream data source responsible for timely report data in the admin center is causing reporting delays. Next update by: Thursday, October 29, 2026, at 6:30 PM UTC

Title: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays User impact: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays. More info: This includes the following usage reports: - Microsoft 365 Apps Usage - Active Users - Exchange Email - Mailbox The last updated date for these reports may be October 18th, 2026, or later depending on the report. Current status: Our fix to address the remaining delays for Microsoft 365 Apps Usage, Exchange Email, and Mailbox reports is taking longer to complete than anticipated. We'll continue to closely monitor this deployment and provide an updated remediation timeline as soon as one is available. Scope of impact: Admins who review Microsoft 365 reports in the Microsoft 365 admin center may be impacted and see delayed reporting information. This information may be updated as our investigation continues. Start time: Friday, October 23, 2026, at 12:00 AM UTC Root cause: An issue with the pipeline for our upstream data source responsible for timely report data in the admin center is causing reporting delays. Next update by: Thursday, October 29, 2026, at 6:30 PM UTC

Title: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays User impact: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays. More info: This includes the following usage reports: - Microsoft 365 Apps Usage - Active Users - Exchange Email - Mailbox The last updated date for these reports may be October 18th, 2026, or later depending on the report. Current status: Our fix to address the remaining delays for Microsoft 365 Apps Usage, Exchange Email, and Mailbox reports is taking longer to complete than anticipated. We'll continue to closely monitor this deployment and provide an updated remediation timeline as soon as one is available. Scope of impact: Admins who review Microsoft 365 reports in the Microsoft 365 admin center may be impacted and see delayed reporting information. This information may be updated as our investigation continues. Start time: Friday, October 23, 2026, at 12:00 AM UTC Root cause: An issue with the pipeline for our upstream data source responsible for timely report data in the admin center is causing reporting delays. Next update by: Thursday, October 29, 2026, at 6:30 PM UTC

Title: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays User impact: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays. More info: This includes the following usage reports: - Microsoft 365 Apps Usage - Active Users - Exchange Email - Mailbox The last updated date for these reports may be October 18th, 2026, or later depending on the report. Current status: Our telemetry has validated that usage reports for Email Apps has caught up and are no longer experiencing refresh delays. We're continuing to apply our remediation action to the upstream data pipeline for Microsoft 365 Apps Usage, Exchange Email, and Mailbox reports, and our remediation timeline expects them to have completed by our next scheduled communication update. Scope of impact: Admins who review Microsoft 365 reports in the Microsoft 365 admin center may be impacted and see delayed reporting information. This information may be updated as our investigation continues. Start time: Friday, October 23, 2026, at 12:00 AM UTC Root cause: An issue with the pipeline for our upstream data source responsible for timely report data in the admin center is causing reporting delays. Next update by: Thursday, October 29, 2026, at 2:00 AM UTC

Title: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays User impact: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays. More info: This includes the following usage reports: - Microsoft 365 Apps Usage - Active Users - Exchange Email - Mailbox - Email Apps The last updated date for these reports may be October 18th, 2026, or later depending on the report. Current status: We've completed the remediation action in the upstream data pipeline for the Microsoft 365 Apps Usage and Active Users reports, and the reporting data is catching up. However, the Exchange Email, Mailbox, and Email Apps reports remain impacted. We're continuing to work on applying the same remediation action in the upstream data pipeline to the remaining affected reports. We'll provide a remediation timeline once available. Scope of impact: Admins who review Microsoft 365 reports in the Microsoft 365 admin center may be impacted and see delayed reporting information. This information may be updated as our investigation continues. Start time: Friday, October 23, 2026, at 12:00 AM UTC Root cause: An issue with the pipeline for our upstream data source responsible for timely report data in the admin center is causing reporting delays. Next update by: Wednesday, October 28, 2026, at 6:00 PM UTC

Title: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays User impact: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays. More info: This includes the following usage reports: - Microsoft 365 Apps Usage - Active Users - Exchange Email - Mailbox - Email Apps The last updated date for these reports may be October 18th, 2026, or later depending on the report. Current status: We’re continuing to work with our upstream data provider to apply a remediation action and resolve the reporting delay. Scope of impact: Admins who review Microsoft 365 reports in the Microsoft 365 admin center may be impacted and see delayed reporting information. This information may be updated as our investigation continues. Start time: Friday, October 23, 2026, at 12:00 AM UTC Root cause: An issue with the pipeline for our upstream data source responsible for timely report data in the admin center is causing reporting delays. Next update by: Tuesday, October 27, 2026, at 4:00 PM UTC

Title: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays User impact: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays. More info: This includes the following usage reports: - Microsoft 365 Apps Usage - Active Users - Exchange Email - Mailbox - Email Apps The last updated date for these reports may be October 18th, 2026, or later depending on the report. Current status: We've identified through our service-side telemetry that the reporting data as identified in the "More info" section of this communication are delayed. We're applying a remediation action through working with our upstream data provider to correct this delay. Scope of impact: Admins who review Microsoft 365 reports in the Microsoft 365 admin center may be impacted and see delayed reporting information. This information may be updated as our investigation continues. Start time: Friday, October 23, 2026, at 12:00 AM UTC Root cause: An issue with the pipeline for our upstream data source responsible for timely report data in the admin center is causing reporting delays. Next update by: Monday, October 26, 2026, at 4:00 PM UTC

Title: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays User impact: Admin usage reports for Microsoft 365 apps and Exchange Online may have refresh delays. More info: This includes the following usage reports: - Microsoft 365 Apps Usage - Active Users - Exchange Email - Mailbox - Email Apps The last updated date for these reports may be October 18th, 2026, or later depending on the report. Current status: We're investigating a potential issue with Microsoft 365 suite and checking for impact to your organization. We'll provide an update within 30 minutes.