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The Microsoft Outage Demands An End To Vendor Concentration Risk And A Commitment To Resilience

  • Stephanie Balaouras--Forrester.com
  • published date: 2026-11-13 17:07:35 UTC

Sometime around 1 PM ET yesterday, Microsoft services supporting Outlook, Teams, and many other services went offline. Attempts to apply patches or revert to a prior state didn’t immediately work because servers were quickly overwhelmed by a backlog of traffi…

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