Originally published on 11/12/2026
Microsoft 365 Business services are reporting a connection issue with email-based platforms impacting all customers.
What's the issue?
Update from Microsoft 365 Status Website:
User impact: Users may be unable to connect to multiple Microsoft 365 services.
More info: Potentially impacted services include:
- Exchange Online
- Microsoft Teams
- SharePoint Online
- Microsoft Copilot 365
- Microsoft Defender XDR
Current status: We're aggressively pursuing all pathways to reduce impact. As a precaution, we've paused all deployments and configuration changes while we review recent changes for any correlation to this event. We've also moved traffic for some services off the affected infrastructure to further reduce load, with additional traffic moves in progress.
Scope of impact: This issue may affect users attempting to access the affected Microsoft 365 services.
Who's affected?
All customers.
What do I need to do?
- For critical support product issues and outages, call Avail Support: When Microsoft resolves the outage, all other case requests can be submitted to the portal. Updates to cases will be delayed until the Microsoft Outage is corrected.
- Monitor Microsoft 365 service health: You can track Microsoft's current 365 service status at Microsoft service health status. If any Microsoft-related disruptions continue to affect communications, updates will be reflected there.
- Continue to monitor this Service Bulletin for updates.
How do I request assistance?
As always, if you have questions or need any assistance, please don’t hesitate to contact the Avail Customer Experience Team either by submitting a case via the AvailTec Portal or for critical or high-priority cases by calling (814) 234-3394 option 1.