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I can't connect more than one Fabric Agent to a Foundry agent as tool

Luis Garcia 5 Reputation points
2025-12-12T07:50:36.5566667+00:00

Hello,

I am trying to build an orchestrated system, connecting multiple Fabric Data Agents as tools to 1 orchestrator foundry Agent. Problem is, I cannot do this in the Foundry Portal. After adding 1 Fabric Agent as tool, when trying to add another, the tool option disappears. This is very confusing as Microsoft docs says this can be done and I've been to some keynotes where they shown this configuration.

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  1. Gowtham CP 7,005 Reputation points Volunteer Moderator
    2025-12-12T09:03:34.5733333+00:00

    Hi Luis Garcia ,

    Thanks for the question.

    Why only one Fabric Data Agent can be added The Azure AI Foundry portal currently supports attaching only one Microsoft Fabric Data Agent per Foundry agent. After you add the first Fabric Data Agent, the tool picker intentionally hides the Fabric option. This reflects the current supported model where each agent can maintain a single Fabric-scoped connection. Reference: Use the Microsoft Fabric data agent https://quic.hkg1.meaqua.org/azure/ai-foundry/agents/how-to/tools/fabric#add-fabric-data-agent-to-your-azure-ai-agent

    Why keynote demos show multiple Fabric Agents Some keynote demonstrations use internal preview builds that support multi-Fabric-agent orchestration. This capability is not yet available in the public Azure AI Foundry portal, which is why the UI prevents adding a second Fabric Data Agent.

    Supported configuration today You can attach: • One Fabric Data Agent • Additional tool types such as SharePoint, file search, web search, or other external knowledge sources

    Connecting multiple Fabric Data Agents to a single Foundry agent is not supported in the current public release.

    I hope this helps. If the answer is useful, please accept and upvote it to close the thread.

    1 person found this answer helpful.
  2. Anshika Varshney 4,425 Reputation points Microsoft External Staff Moderator
    2025-12-12T14:43:47.6633333+00:00

    Hi Luis Garcia ,

    Thank you for reaching out on the Microsoft Q&A.

    It sounds like you're having some trouble connecting multiple Fabric Agents to a single Foundry Agent in the Foundry Portal. I can definitely understand how that would be confusing, especially when the documentation suggests it should be possible.

    Here are a few steps you might want to try:

    1. Refresh the Page: Sometimes, simply refreshing the Foundry Portal can resolve UI issues that prevent you from seeing all the options available.
    2. Check Permissions: Ensure that you have the necessary permissions to add more than one Fabric Agent. Sometimes, restrictions may apply based on user roles.
    3. Use Different Browsers: If you haven't done this yet, try accessing the Foundry Portal using a different web browser. Browser compatibility can sometimes affect functionality.
    4. Review Documentation: Take another look at the specific sections in the Microsoft documentation regarding the connection process. There might be additional notes or prerequisites that could clarify the situation.

    Reference:

    Use the Microsoft Fabric data agent (preview)

    I Hope this helps. Do let me know if you have any further queries.

    If this answers your query, please do click Accept Answer and Yes for was this answer helpful.

    Thank you!

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