Live status pulled directly from the Microsoft Service Communications API — refreshes every 5 minutes
Exchange Online — EX1469261 View full timeline ↗
Title: Some users may be unable to search in Exchange Online User impact: Users may be unable to search in Exchange Online. More info: Users may be unable to complete searches using Outlook on the web or either the classic or new Outlook desktop apps. Current status: We’ve developed and deployed a code change which is intended to improve availability and reduce the aforementioned instability that occurs during peak traffic periods. Additionally, we’re monitoring the service health telemetry to validate the mitigations effectiveness, which will determine if additional troubleshooting will be required. Scope of impact: Some users in the United Kingdom who are attempting to complete searches using Outlook on the web or either the classic or new Outlook desktop apps may be impa…
Exchange Online — EX1441488 View full timeline ↗
Title: Some users may see unwanted add-ins appearing automatically across all Outlook clients User impact: Users may see unwanted add-ins appearing automatically across all Outlook clients. More info: These add-ins are configured to be available to users by admins but aren’t expected to be automatically installed. To bypass this issue, admins can run the “Set-App -Identity -OrganizationApp -PrivateCatalog -DefaultStateForUser Disabled” command to remove add-ins that are unintentionally appearing. Current status: We’ve verified with a subset of affected users that performing the identified workaround successfully mitigates the impact. We’re preparing a permanent fix for deployment, which we expect will take several weeks to saturate. We’ll provide a resolution timeline once …
Exchange Online — EX1465910 View full timeline ↗
Title: Users may be unable to load themes in Outlook on the web User impact: Users may be unable to load themes in Outlook on the web. Current status: We're awaiting a response from your organization with HAR logs from affected users who continue to experience impact, as the issue persists despite the rollback. These logs will help us further investigate the remaining impact. Scope of impact: Some users attempting to load themes in Outlook on the web may be impacted. Next update by: Thursday, September 10, 2026, at 9:00 AM UTC
Microsoft Entra — MO1457843 View full timeline ↗
Title: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Microsoft Entra ID audit logs User impact: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Entra ID audit logs. More info: Impact applies to deletions initiated from both the Viva Engage web experience and the Viva Engage app in Microsoft Teams. Admins needing to identify who deleted a specific community or group during the affected period should open a Microsoft support case with the deletion date and group/community details so support can trace the initiating user through service-side logs. Current status: We've determined that resolving this issue requires additional validation to ensure that our fix addresses the impact without introducing uni…
Microsoft 365 suite — MO1457843 View full timeline ↗
Title: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Microsoft Entra ID audit logs User impact: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Entra ID audit logs. More info: Impact applies to deletions initiated from both the Viva Engage web experience and the Viva Engage app in Microsoft Teams. Admins needing to identify who deleted a specific community or group during the affected period should open a Microsoft support case with the deletion date and group/community details so support can trace the initiating user through service-side logs. Current status: We've determined that resolving this issue requires additional validation to ensure that our fix addresses the impact without introducing uni…
Microsoft Teams — MO1457843 View full timeline ↗
Title: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Microsoft Entra ID audit logs User impact: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Entra ID audit logs. More info: Impact applies to deletions initiated from both the Viva Engage web experience and the Viva Engage app in Microsoft Teams. Admins needing to identify who deleted a specific community or group during the affected period should open a Microsoft support case with the deletion date and group/community details so support can trace the initiating user through service-side logs. Current status: We've determined that resolving this issue requires additional validation to ensure that our fix addresses the impact without introducing uni…
Microsoft 365 apps — OP1454727 View full timeline ↗
Title: Users may be unable to sign in to OneNote using iOS devices User impact: Users may be unable to sign in to OneNote using iOS devices. More info: Impact is specific to users with OneNote build 16.112.717.0 or higher. Whilst we work on remediation, impacted users may be able to utilize OneNote on the web or remove Authenticator so that authentication falls back to the in-app webview. Users may also be able to sign in to any other Microsoft 365 apps first (e.g. PowerPoint), then attempt to sign in again in OneNote. Current status: We've completed the validation of our fix in our internal testing environment and are preparing it for deployment, which should complete by our next scheduled update. Additionally, we've received confirmation from a subset of users who reported the…
Microsoft Defender XDR — DZ1459263 View full timeline ↗
Title: Users may see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query User impact: Users may see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query. More info: The issue is specifically happening when using "$Select" as part of the query. Affected users can bypass the issue by not using "$Select" in the queries. Current status: We've completed the validation within our internal testing environment and begun initiating the fix deployment. As the deployment begins to propagate throughout the affected service environment, we anticipate that some users may experience relief from impact. Additionally, we expect that we will have acquired a complete remediation timeline by our next schedul…
Microsoft Viva — MO1457843 View full timeline ↗
Title: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Microsoft Entra ID audit logs User impact: Admins can't identify who deleted a Viva Engage community or its Microsoft 365 Group in Entra ID audit logs. More info: Impact applies to deletions initiated from both the Viva Engage web experience and the Viva Engage app in Microsoft Teams. Admins needing to identify who deleted a specific community or group during the affected period should open a Microsoft support case with the deletion date and group/community details so support can trace the initiating user through service-side logs. Current status: We've determined that resolving this issue requires additional validation to ensure that our fix addresses the impact without introducing uni…