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mediumEntraMicrosoft 365 Copilot Chatupdatem365_message_center · Aug 27, 2026
Allow connections to copilot.cloud.microsoft before the Copilot URL redirect
Microsoft is updating the Microsoft 365 Copilot Chat service to redirect users from m365.cloud.microsoft to copilot.cloud.microsoft starting in early September 2026, requiring organizations to ensure their networks allow connections to copilot.cloud.microsoft.
“Services: Microsoft 365 Copilot Chat. <p>[What and why:]</p><p></p><p>As communicated in MC1454108, beginning in early September, 2026, Microsoft will start redirecting users from m365.cloud.microsoft to copilot.cloud.microsoft in organizations where access to copilot.cloud.microsoft is available. Organizations who m…”
View original article →Identity
conditional_access
Security
zero_trust
Audience
adminsecurity_engineer
Environment
cloud
Ontology Topics
SC-300
Classification confidence: 95%
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