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FlowMakerConnectionBlocked - Getting this error when running our CoPilot Studio Agent

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Posted on by BJ-01070631-0

Today onwards , we are facing the below issue when running our CoPilot Studio Agent ( formerly called Power Virtual Agent ).
Error Message: The flow with name <FlowName> is using a maker connection, which is not allowed. Error Code: FlowMakerConnectionBlocked .

Any suggestions on how this can be resolved?

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Michael E. Gernaey 44,064 Super User 2025 Season 1 on at

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FlowMakerConnectionBlocked - Getting this error when running our CoPilot Studio Agent

Hi @BJ-01070631-0

My suggestion would be to recreate the connection. However, I have a question or 2.

Note that you cannot have an Autonomous Agent that has a flow that is configured for Maker Connections, which would attempt to prompt the user for credentials, so you need to do #2 below so that your bot can use the flow in autonomous mode

1) was this an existing Flow that you attached as an Action (Tool) into your bot or

2) did you create this custom Action(Tool) so its essentially an "Agent" flow, versus a true flow, (which would be considered a Maker flow) and my guess is the connection is not compatible with your bots configuration, since the Tool.Action should run based on the advanced settings of the Agents activation.

Are you using service principals for instance in your flow, or DID you have a connection that was created by someone whom is no longer in the organization?

When you go into the Flow from Power Automate maker portal, does the flow look like works? Can you trigger it from there as a test?

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