Flow is sending timeout error when calling Copilot studio

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Posted on by SM-22111655-0

Hello,

I have created a flow which is as below but as you all can see getting error message in "Respond to the agent" trigger. Error message is "Action 'Respond_to_the_agent' failed: The execution of template action 'Respond_to_the_agent' is failed: the client application timed out waiting for a response from service. This means that workflow took longer to respond than the alloted timeout value. The connection maintained between the client application and service will be closed and client application will get an HTTP status code 504 Gateway Timeout. "

I tried calling "Asynchronous response" by going into setting of Respond to agent trigger but it was throwing an error. Concurrency control also doesn't help and the flow execution is so slow that user has to wait approx 2 min to get the response or will get timeout error.

Connected agent does send the response but there is np way to store that response in a variable and use it. Same goes with child agent.

Can I one tell me how to fix these problems?

Categories:

Autonomous agents

Copilot Studio skills development

Calling actions from Copilot Studio

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Valantis 1,514 on at

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Hi @SM-22111655-0,

Your "Execute Agent and wait" action is taking around 110 seconds, which is exceeding the 100-second timeout before you respond to the agent.

try this:

Delete the Delay action – it's wasting 10 seconds for no reason

Move "Execute Agent and wait" AFTER the "Respond to the agent" action – this way you respond immediately, and the child agent runs in the background

Make sure "Asynchronous response" is turned OFF in the Respond to the agent settings (check the Networking tab)

This gets the calling agent a response in under 2 seconds instead of waiting 2 minutes. The child agent keeps running in the background, and you can still capture its output in a variable if needed.

Give this a try and let me know how it goes.

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SM-22111655-0 19 on at

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Hi @Valantis,

I tried as you mentioned above but got the below error:

Let me know how to fix this error or any alternative way.

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Valantis 1,514 on at

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Hi @SM-22111655-0,

Lets try this:

Keep "Respond to the agent" at the top (right after the trigger)

Click on the "Respond to the agent" Remove ALL references to Compose, Execute Agent, or any steps that come after

Change the response text to something like: "testing message"

This fixes both errors - no timeout because you respond instantly, no InvalidTemplate because you're not referencing future steps.

Step 2: Deliver the Results

After "Respond to the agent", keep your Execute Agent and Compose steps, then add one of these:

Send an email (V2): Email the Compose output to the user or Post message in Teams: Send the result to the user's Teams chat

i hope this helps. if that doesnt work please write me. what you trying to achieve i will create it then and share with you the steps. have a nice day.

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Valantis 1,514 on at

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Hi @SM-22111655-0,

Just wanted to check in and see if everything is working now. If you still need any help, feel free to let me know.

Also, if the issue is resolved, it would be great if you could mark the answer as solved so others with the same question can find it easily.

Thanks and have a great day!

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SM-22111655-0 19 on at

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Hi @Valantis,

Appologise but issue is not resolved.

I tried all whatever you suggested but unfortunately getting error as Response should be at the end and that is also not working and timeout error is still there.

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