Some users may be unable to activate new or refresh existing Office 365 licenses
ID: OP1460815
Issue type: Incident
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Impacted services
Microsoft 365 apps
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Details
Title: Some users may be unable to activate new or refresh existing Office 365 licenses
User impact: Users may have been unable to activate new or refresh existing Office 365 licenses.
More info: For the users who were unable to activate or refresh Office 365 licenses, this prevented them from signing in or accessing Office 365 applications.
Users may have received multiple prompts; however, the activation process may have failed when they attempted to sign in.
Final status: After a brief period of monitoring, we confirmed that our service is healthy and users are no longer impacted by this event.
Scope of impact: Some users attempting to activate new or refresh existing Office 365 licenses may have been impacted.
Start time: Monday, August 24, 2026, at 1:00 PM UTC
End time: Monday, August 24, 2026, at 7:40 PM UTC
Preliminary root cause: A processing bottleneck within the service reduced its ability to handle incoming requests efficiently. As request volume accumulated, some requests experienced delays or timed out before they could be completed.
Next steps:
-We’re further investigating the bottleneck so we can determine what originally caused it and prevent similar future issues from leading to service impact.
We'll provide a preliminary Post-Incident Report within two business days and a final Post-Incident Report within five business days.
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