Issue in calling child agent

Question

Issue in calling child agent

Amit Jain 20

I have a copilot studio agent which is deployed on Teams. In this agent i call another agent. This functionality works fine when tested in copilot studio. However, it fails with below message -

Sorry, the bot can't talk for a while. It's something the bot's owner needs to address. Error code: ConnectedAgentBotNotFound. Conversation ID: <conversationID-PII removed>. Time (UTC): 10/30/2025 7:52:40 AM.

both agents have been published
both agents are available on teams.

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Answer 1

Hi Amit Jain,

Thank you for posting your question in the Microsoft Q&A forum.

Please note that our forum is a public platform, and we will modify your question to hide your personal information in the description. Kindly ensure that you hide any personal or organizational information the next time you post an error or other details to protect personal data.

I’ve reviewed your description and understood that you successfully developed and tested a multi-agent system using Connected Agents in Copilot Studio, but after publishing to Teams, the functionality fails even though the configuration appears correct.

I researched the error code you provided and related discussions, and while this issue seems rarely reported, here are a few suggestions you might consider trying:

Verify Teams App Policies
Double-check your Teams admin settings to ensure custom app permissions are enabled. You can refer to this article: https://free.blessedness.top/en-us/microsoftteams/teams-custom-app-policies-and-settings#allow-users-to-upload-custom-apps
Reset Channel and Republish agents
Disconnect the channel, then re-add it and republish the agent. After that, reinstall the agent in the Teams client. Detailed steps are available here: https://free.blessedness.top/en-us/microsoft-copilot-studio/publication-add-bot-to-microsoft-teams#disconnect-an-agent-from-teams
Clear Teams Cache
If you are testing on the Teams desktop client, clear the cache as described in this article: https://free.blessedness.top/en-us/troubleshoot/microsoftteams/teams-administration/clear-teams-cache#new-teams

If the problem continues after trying the above steps, I highly recommend raising a support ticket through the Microsoft 365 Admin Center. A support agent can review more detailed tenant-level configurations, collect diagnostic logs or escalate issue to the engineering team if any anomalies are detected.

I hope these suggestions help. Please let us know if you need further assistance or encounter any additional errors.

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Amit Jain 20 Reputation points

2025-10-30T09:49:33.61+00:00

access to teams admin center will be difficult as it is controlled by group IT teams, however it was working till 2 weeks back and stopped suddenly

I have tried this and not worked

I cleared cache and still get the same error message.
Nivedipa-MSFT 3,846 Reputation points Microsoft External Staff Moderator

2025-10-30T09:53:42.89+00:00

@Amit Jain - Could you please confirm if your issue resolved with above information or are you still looking for additional information?
Kudos-Ng 8,245 Reputation points Microsoft External Staff Moderator

2025-10-30T10:15:34.3266667+00:00

Hi Amit Jain,

Thank you for getting back to me and for letting me know the outcome of the suggestions I shared earlier. I'm sorry to hear that the issue persists.

As a forum moderator, I unfortunately don’t have access to tenant-level configurations or diagnostic tools. My role is limited to sharing guidance based on publicly available resources, and the suggestions provided so far are the best I could find at this point.

Since the app was working fine until two weeks ago and stopped suddenly without any changes from your side, this seems like an issue that may require deeper investigation or diagnostics. If you have access to the Admin Center, I’d recommend submitting a support ticket. If not, perhaps your IT admin can help submit one on your behalf.

While waiting for a support agent to reach out, you might also consider posting this issue on Microsoft Tech Community. There are experienced developers and IT professionals there who might be able to offer additional insights.
Amit Jain 20 Reputation points

2025-10-30T10:19:24.1333333+00:00

The issue is still not resolved. I will raise a ticket to teams admin center.

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Issue in calling child agent

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