TPx Communications incident
Microsofte 365 Business and Enterprise Outage
Ongoing since 06:48 PM UTC, affecting Microsoft 365.
Current status: Microsoft is aggressively pursuing all pathways to reduce impact. As a precaution, they've paused all deployments and configuration changes while reviewing recent changes for any correlation to this event. They've determined that the elevated load isn't driven by an overall increase in traffic, but by a large number of servers being unexpectedly unavailable, which is shifting load onto the remaining infrastructure. They are investigating what's causing these servers to become unavailable while they work to safely return them to service. If you believe your service is impacted, please open a Technical Support case in the TPx Customer Portal at portal.tpx.com
Affected components
Update timeline
- identified Nov 12, 2026, 06:48 PM UTC
Microsoft is experiencing a service interruption that is impacting our customers. Multiple Microsoft 365 services are impacted. Users may be unable to connect to multiple Microsoft 365 services. Potentially impacted services include: - Exchange Online - Microsoft Teams - SharePoint Online - Microsoft Copilot 365 - Microsoft Defender XDR Services are being affected by their infrastructure experiencing elevated traffic load across multiple regions, contributing to connectivity errors. They are restarting and repairing impacted portions of their infrastructure to restore capacity while evaluating options to redirect traffic to alternate infrastructure to expedite relief. Their next update is expected around 12:30pm Pacific Time. If you believe your service is impacted, please open a Technical Support case in the TPx Customer Portal at portal.tpx.com
- identified Nov 12, 2026, 07:38 PM UTC
Current status: Microsoft is aggressively pursuing all pathways to reduce impact. As a precaution, they've paused all deployments and configuration changes while reviewing recent changes for any correlation to this event. They've determined that the elevated load isn't driven by an overall increase in traffic, but by a large number of servers being unexpectedly unavailable, which is shifting load onto the remaining infrastructure. They are investigating what's causing these servers to become unavailable while they work to safely return them to service. If you believe your service is impacted, please open a Technical Support case in the TPx Customer Portal at portal.tpx.com
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