Microsoft Incident - MO821132
Current Microsoft status:
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
- Microsoft Fabric
- PowerBI
- Microsoft Teams
- Microsoft 365 admin center
User Impact
This issue may be impacting any user attempting to use various Microsoft 365 apps and services.
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.
Latest Microsoft update
We've completed applying our mitigation actions and our telemetry is now indicating all previously impacted Microsoft 365 apps or services are operating normally. We're now entering a period of monitoring to ensure all previously impacted apps, services, and scenarios have fully recovered.
Related Articles
Perpetual Software in Microsoft 365
How to find your Perpetual Software licenses inside of your Microsoft 365 Admin Center Go to the Microsoft Admin Center at https://admin.microsoft.com/. From the Dashboard navigation menu, go to Billing > Your products. Find and select the software. ...
Microsoft 365 GDAP Relationship FAQ
What is GDAP (Granular Delegated Admin Privileges)? Granular Delegated Admin Privileges (GDAP) is a Microsoft security framework that enables authorized partners to access and manage a customer's Microsoft 365 environment securely. GDAP helps ensure ...
View your bill or billing history (Microsoft licensing only)
NOTE You need to be a global or billing admin to view your billing statement for Office 365 Enterprise, Office 365 Business Essentials, Office 365 Business Essentials, and Office 365 Midsize Business. You just need to be an admin to view your billing ...
URGENT SECURITY ALERT: SharePoint Server
Vulnerability Under Active Attack – 07/21/2025 Microsoft has issued a critical alert regarding active attacks targeting on-premises SharePoint Server software. These attacks exploit a newly discovered "zero-day" vulnerability, meaning it was ...
Teams - Network Assessment Tool (NAT)
Install NAT https://www.microsoft.com/en-us/download/details.aspx?id=103017 Once installed, open NotePad as Administrator Open a file and FILTER ALL FILES, NOT JUST TEXT DOCUMENTS under C:\Program Files (x86)\Microsoft Teams Network Assessment Tool ...