Outage in Microsoft 365
Users may be unable to access SharePoint Online sites and may notice delays or navigation errors
Resolved Minor
June 29, 2026 - Started 20 days ago
- Lasted about 3 hours
Incident Report
Summary AI Generated
**Microsoft 365 – SharePoint Online Access Issues (June 29, 2026 | ~2.6 hours)** SharePoint Online experienced degraded performance, causing users to be unable to access sites and encounter delays or navigation errors. The issue was traced to inefficient service traffic processing within the affected environment. Microsoft began throttling traffic flow as a remediation measure, with resolution expected by the next scheduled update.
Title: Potential issues accessing SharePoint Online sites
User impact: Users may be unable to access SharePoint Online sites and may notice delays or navigation errors.
Current Status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within one hour.
User impact: Users may be unable to access SharePoint Online sites and may notice delays or navigation errors.
Current Status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within one hour.
Components affected
SharePoint OnlineTrusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
20 days ago - at 06/29/2026 03:23PM
Title: Users may be unable to access SharePoint Online sites and may notice delays or navigation errors
User impact: Users may be unable to access SharePoint Online sites and may notice delays or navigation errors.
Current status: We've determined that SharePoint Online may not be processing service traffic as efficiently as expected. We're reducing the amount of traffic that can flow through the impacted environment as a potential method of remediating impact. This should complete by our next scheduled update.
Scope of impact: Any user attempting to access SharePoint Online sites may be impacted.
Next update by: Monday, June 29, 2026, at 5:00 PM UTC
20 days ago - at 06/29/2026 02:42PM
Title: Potential issues accessing SharePoint Online sites
User impact: Users may be unable to access SharePoint Online sites and may notice delays or navigation errors.
Current Status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within one hour.
Latest Microsoft 365 outages
Users may experience errors or failures when accessing their mailbox from the Messaging API (MAPI) connection method - 4 days ago
Some users may be unable to access Microsoft OneDrive content and may notice delays or navigation errors - 7 days ago
Some users may be unable to access SharePoint Online sites and may notice delays or navigation errors - 7 days ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
