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Power Platform Community / Forums / Copilot Studio / Agent Published failed !!
Copilot Studio
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Agent Published failed !!

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Posted on by CU25020437-0

I am having issue of agent not being published. I have configured a child agent with required inputs in an agent. Previously i was able to publish this kind of configuration. Also the ss below show i can still publish such agents( this one is in different env)

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    Sayali-MSFT Profile Picture
    Sayali-MSFT Microsoft Employee on at
    Hello,
    From your screenshots, the publish failure occurs only in the environment where the child agent (FinancingAndAnnexAgent) has a single required input (generalInfo) set to “Dynamically fill with AI”, no explicit parent binding, and no observable output (“Don’t respond” completion). In contrast, publishing succeeds in another environment where multiple required inputs are present and resolvable—even though they are also AI-filled.

    The root cause is a recent, undocumented validation change in Copilot Studio (late Jan / Feb 2026) that introduced stricter publish-time checks for child agents. The platform now performs a static resolvability validation before allowing publish. If a required input is not guaranteed to be resolved at runtime—and the agent produces no observable output—publishing can fail. Previously, a single AI-filled required input was allowed because runtime resolution was trusted; now the system requires clearer guarantees.

    This change was introduced to prevent runtime agent chaining failures and unclear input provenance, especially with autonomous/background agents. The breaking combination in your case is: child agent + required input + AI-filled source + no parent binding + no output. 

    Recommended fixes include:

    1. Add a dummy output (cleanest fix) and respond with it to satisfy validation.
    2. Make the input optional and handle inference in instructions.
    3. Explicitly bind the input from the parent agent.
    4. (Less ideal) Add a second required input.


    This issue appears only in newer or updated environments due to staged rollout of the new validation logic.

    TL;DR: Not a configuration mistake—this is a new publish-time validation rule. The simplest fix is to add an output or change completion behavior so the agent produces observable output

    Reference Document0-
    1.Add a child agent - Microsoft Copilot Studio | Microsoft Learn
    2.Using Inputs and Outputs in Child and Connected Agents | The Custom Engine
    3.Microsoft Copilot Studio troubleshooting | Microsoft Learn

     
     
     

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