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December 2025 routing failure halts Microsoft 365 Copilot in Japan for four hours·MSFT +0.1%Clean install beats OOBE for Windows 11 privacy and speed, study finds.·NVDA +3.0%Riverty's Rapid Microsoft AI Rollout Unifies Customer Service Across 8 Markets in 100 Days·GOOGL +1.2%Slow Azure Connections? Blame the Internet's Fragile Undersea Backbone·AMZN +2.9%Microsoft Injects Anthropic's Claude Into Office 365 to Reduce OpenAI Dependency·MSFT +0.1%Red Sea Severed Cables Knock 17% of Internet Offline: Azure Customers Brace for Months-Long Repair Delays·NVDA +3.0%Microsoft Copilot Outage Strikes on September 8, Leaving Users Scrambling for Workarounds·GOOGL +1.2%Red Sea Cable Failures Trigger Internet Slowdowns Across South Asia; Azure Warns of Higher Latency·AMZN +2.9%December 2025 routing failure halts Microsoft 365 Copilot in Japan for four hours·MSFT +0.1%Clean install beats OOBE for Windows 11 privacy and speed, study finds.·NVDA +3.0%Riverty's Rapid Microsoft AI Rollout Unifies Customer Service Across 8 Markets in 100 Days·GOOGL +1.2%Slow Azure Connections? Blame the Internet's Fragile Undersea Backbone·AMZN +2.9%Microsoft Injects Anthropic's Claude Into Office 365 to Reduce OpenAI Dependency·MSFT +0.1%Red Sea Severed Cables Knock 17% of Internet Offline: Azure Customers Brace for Months-Long Repair Delays·NVDA +3.0%Microsoft Copilot Outage Strikes on September 8, Leaving Users Scrambling for Workarounds·GOOGL +1.2%Red Sea Cable Failures Trigger Internet Slowdowns Across South Asia; Azure Warns of Higher Latency·AMZN +2.9%

Routing

The latest Routing coverage — news, analysis, and updates from the WindowsNews.AI desk.

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Copilot · Japan Outage

December 2025 routing failure halts Microsoft 365 Copilot in Japan for four hours

On December 18, 2025, Microsoft 365 Copilot users in Japan experienced a significant service disruption that lasted approximately four hours, affecting productivity tools and AI assistance across the...

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Ai Diversification · Ai Governance

Microsoft Injects Anthropic's Claude Into Office 365 to Reduce OpenAI Dependency

Microsoft is preparing to integrate Anthropic's Claude models into Office 365, according to multiple reports, a move that would break OpenAI's monopoly on the AI back-end for Copilot features in...

AI AI & Copilot Desk·44w ago
Ai Infrastructure · Cloud Computing

Red Sea Severed Cables Knock 17% of Internet Offline: Azure Customers Brace for Months-Long Repair Delays

At 05:45 UTC on September 6, 2025, a cluster of submarine fiber-optic cables snaking along the seabed near Jeddah, Saudi Arabia, was severed, instantly choking off roughly 17 percent of the internet...

AI AI & Copilot Desk·44w ago
Ai Reliability · Authentication

Microsoft Copilot Outage Strikes on September 8, Leaving Users Scrambling for Workarounds

On Monday evening, September 8, 2025, Microsoft’s Copilot AI assistant became inaccessible for a wave of users, triggering a spike in outage reports across community forums and monitoring services....

AI AI & Copilot Desk·44w ago
Asia-europe · Bab El Mandeb

Red Sea Cable Failures Trigger Internet Slowdowns Across South Asia; Azure Warns of Higher Latency

Internet connectivity across South Asia and the Gulf region has been severely degraded following a cluster of undersea cable failures in the Red Sea, with cloud providers including Microsoft Azure...

AZ Cloud & Azure Desk·44w ago
Azure Latency · Bab Al-mandeb

Azure Latency Surges as Red Sea Cable Cuts Test Global Internet Backbone

At approximately 05:45 UTC on Saturday, September 6, 2025, multiple high-capacity undersea fiber-optic cables traversing the Red Sea were physically severed, crippling a critical artery of the global...

AZ Cloud & Azure Desk·44w ago
Azure Service Health · Bgp

Red Sea Cable Damage Triggers Azure Latency Surge, Microsoft Reroutes Traffic

Microsoft has confirmed that multiple undersea fiber-optic cables in the Red Sea were severed, triggering a surge in latency for Azure customers as traffic is forced onto longer alternative paths....

SE Security Desk·45w ago
Aae-1 · Asia Europe Traffic

Microsoft: Azure Latency Surge as Red Sea Cables Cut, Traffic Rerouted

On September 6, 2025, Microsoft issued a service health advisory warning Azure customers that multiple undersea fiber-optic cable cuts in the Red Sea are causing increased latency and intermittent...

SE Security Desk·45w ago
Acs · Ai Governance

Voca CIC Secures Teams Unify Certification and UC Today Award, but 99.999% Uptime Claim Needs Scrutiny

AudioCodes’ Voca Conversational Interaction Center has achieved Microsoft Teams Unify certification, a milestone that immediately propelled the contact-center-as-a-service platform to win UC...

AI AI & Copilot Desk·46w ago