We are using Azure AI Search for our inhouse developed chatbot and it works really well. Now I try to connect the same indexes to Agent in Copilot Studio. I made necesarry changes to indexes so they are properly displayed in Copilot:
When I try to ask a question I get following error:
Error Message: The output returned from the connector was too large to be handled by the agent. Try reducing its size by utilizing available connector filters or by limiting the number of configured action outputs. Error Code: AsyncResponsePayloadTooLarge Conversation Id: bb6b70b6-5d6f-4db9-abe9-8a77e06292c8 Time (UTC): 2025-06-01T17:29:48.606Z
Can I somehow limit the number of documents returned? Or maybe the reason is diffrent?
hello :) i had run into several problem with AI Search, i managed to resolve them,
First : check if you are at minimum in S1 plan, Copilot studio recently force the usage of semantic (you could confirme by reading log) so need a plan with semantic :)
Second : it use 2024 - 07 - 01 as model for embedding, ensure you used this one when you test in the index playground
Last : Copilot studio don't care about vector since the work is done at Azure side : try to remove them from the index answer (uncheck the option in Azure index and then re-init + re-index )
Last : i have more information / detail in this previous post but it's globally the same as here with more detail. Before clicking, if this answer resolved you problem or helped you :
Please check the good answer button, it's important :)
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