Microsoft 365 Alert – Service Degradation – Microsoft Copilot (Microsoft 365) – Some users’ Declarative Agents in Microsoft Copilot (Microsoft 365) aren’t responding to prompts – ONGOING

06/01/2026 08:42:00 AM

NHSmail Reference: INC46746112

Microsoft Reference: CP1229864

Issue Status: ONGOING

Issue Description: Users’ Declarative Agents in Microsoft Copilot (Microsoft 365) aren’t responding to prompts.

Current Update: 10/02/2026 08:47:00 AM – While the configuration changes to rebalance resource utilization resulted in an improvement in latency, Microsoft has identified a potential change that may be contributing to the ongoing impact. They are conducting a deeper analysis of this change to confirm whether it is the root cause.

Scope of impact: Your organization is affected by this event, and some users of Declarative Agents are impacted. This information may be updated as our investigation continues.

Root cause: A portion of infrastructure responsible for Declarative Agents populating prompt responses isn’t processing requests as efficiently as expected, producing an increase in latency and resulting in impact.

Next update by: Tuesday, February 10, 2026, at 1:30 PM UTC