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Power Platform Community / Forums / Copilot Studio / Delayed and queued res...
Copilot Studio
Suggested Answer

Delayed and queued responses with “Add other existing agent” in Copilot Studio

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I am facing a consistent issue with the “Add other existing agent” feature in Copilot Studio while testing multi‑agent orchestration.

Scenario

  • I have a Meeting Scheduler bot.
  • I added another existing agent to it using the Add other existing agent option.
  • Proper descriptions and routing instructions are configured.
  • Multi‑agent orchestration works correctly only in the first session.

Issue Observed

From the second session onwards, responses are delayed and queued:

  • User messages remain unseen for a long time.
  • No response is returned immediately.
  • When I send 2–3 more messages, the bot suddenly responds to the first message.
  • This makes the conversation feel out of sync.

Additionally:

  • In the Activity pane, the request stays in “In progress” for a long time.
  • Eventually, the activity status changes to “Cancelled” without a clear error.
  • This happens consistently after the first successful interaction.

Environment:

  • Copilot Studio (multi‑agent setup)
  • Feature used: Add other existing agent
  • Channel: Copilot Studio test chat (authoring canvas)

I’ve attached a screenshot showing the delayed response behavior, where earlier messages receive responses only after later messages are sent.

Has anyone else faced this issue, or is this a known limitation/bug with multi‑agent orchestration across sessions in Copilot Studio?

image.png
I have the same question (0)
  • Suggested answer
    Sayali-MSFT Profile Picture
    Microsoft Employee on at
    Hello,

    Thank you for your patience! We have reported this as a bug for further investigation. 

    We will keep you updated as soon as we receive further information. Thank you for bringing this to our attention! 

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