Service Degradation Microsoft 365 - For awareness

Microsoft have closed this particular issue - Service Degradation Microsoft 365

Morning

The following is the latest update from Microsoft ..

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:

• PowerBI: Users may notice that their service is in read-only mode while we address impact.
• Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
• Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including presence, group chats, and user registration.
• Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.

Our internal telemetry and customer signals indicate that the following services are recovered:

• Microsoft Defender
• Microsoft Defender for Endpoint
• Microsoft Defender Experts
• Microsoft Intune
• Microsoft OneNote
• OneDrive for Business
• SharePoint Online
• Windows 365
• Viva Engage
• Microsoft Purview

Current status: We're continuing to see an improvement in service availability across multiple Microsoft 365 apps and services. We're closely monitoring our telemetry data to ensure this upward trend continues as our mitigation actions continue to progress.

Scope of impact: This issue may be impacting any user attempting to use various Microsoft 365 apps and services.

Start time: Thursday, July 18, 2024, at 9:56 PM UTC

Preliminary root cause: A configuration change in a portion of our Azure backend workloads, caused interruption between storage and compute resources which resulted in connectivity failures that affected downstream Microsoft 365 services dependent on these connections.

Colleagues

Microsoft have issued a warning (worldwide) of possible degradation to various Microsoft 365 apps and services.

At time of writing this notice we have received no TOPdesk calls in relation to this

Microsoft are actively working to stabilise affected areas - please see below for latest (detailed) update from Microsoft.

DTS will provide regular updates regarding this matter.

Title: Users may be unable to access various Microsoft 365 apps and services

User impact: Users may be unable to access various Microsoft 365 apps and services.

More info: Users may notice that some of the affected users are seeing relief as we continue to mitigate the impact.

Impacted services may include but are not limited to the following:

• PowerBI: Users may notice that their service is in read-only mode while we address impact.
• Microsoft Fabric: Users may notice that their service is in read-only mode while we address impact.
• Microsoft Teams: Users may be unable to leverage Microsoft Teams functions including presence, group chats, and user registration.
• Microsoft 365 admin center: Admins may be intermittently unable to access the Microsoft 365 admin center and any action may be delayed if accessible.
• Microsoft Purview: Users will see a delay in events being processed in Microsoft Purview.

Our internal telemetry and customer signals indicate that the following services are recovered:

• Microsoft Defender: Users may be intermittently unable to access the Microsoft Defender portal. Additionally, users may notice delays of up to two hours when raising new detections.
• Microsoft Defender for Endpoint: Admins and users may notice API requests failing and errors when opening Alerts in the Alerts page.
  
• Microsoft Defender Experts: Users may notice delays in responses from Defender Experts due to delays in ingestion of incidents and alerts.
• Microsoft Intune: Users may experience failures with device check-in, syncing and device enrollment.
• Microsoft OneNote: Users may be unable to sync content, have delays syncing notebooks, or may be unable to open notebooks.
• OneDrive for Business: Users may be unable to access OneDrive for Business content.
• SharePoint Online: Users may be unable to access SharePoint Online sites.
• Windows 365: Admins may be unable to manage existing Cloud PCs or provision new Cloud PCs. End users in the impacted region may not be able to access their Cloud PC.
• Viva Engage: Users may be unable to access Viva Engage.

Current status: We're continuing to progress on our mitigation efforts for the affected Microsoft 365 apps and services. We still expect users to see remediation as we address residual impact.

Scope of impact: This issue may be impacting any user attempting to use various Microsoft 365 apps and services.

Start time: Thursday, July 18, 2024, at 9:56 PM UTC

Preliminary root cause: A configuration change in a portion of our Azure backend workloads, caused interruption between storage and compute resources which resulted in connectivity failures that affected downstream Microsoft 365 services dependent on these connections.