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Power Platform Community / Forums / Copilot Studio - Building Copilot Studio Chatbo... / Copilot Studio agent S...
Copilot Studio - Building Copilot Studio Chatbo...
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Copilot Studio agent SharePoint knowledge not working

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Posted on by RH-28111723-0

Copilot Studio agent retrieves answers from SharePoint but the response flashes briefly and then disappears,

Symptoms:


  • Retrieval succeeds in Studio test pane (answer appears for a second).
  • Final pass retracts the answer and shows a generic fallback

    •  

Steps Already Tried:


  1. Authentication: Agent is set to "Authenticate with Microsoft" (SSO). Published and tested in Teams.
  2. SharePoint Eligibility

    • Site and library set to "Allow in search results = Yes".

    • Reindexed site and library.

    • Verified files are checked-in and published (major versions). 

      •  
  3. Content Test: Added a small .docx with unique phrase; confirmed retrieval in Test Query.
  4. Prompt Tuning: Relaxed certainty rules; set "Official source = On".
  5. Channel Repro: Same behavior in Teams.
  6. File Checks: No IRM or password protection; files are text-searchable.
Any suggestions? 
Categories:
General
I have the same question (0)
  • S-Venkadesh Profile Picture
    S-Venkadesh 840 Moderator on at
    Copilot Studio agent SharePoint knowledge not working
    Try enabling Semantic Search by navigating to:
    Agent > Settings > Tenant graph grounding with semantic search: On
     
    I hope this information helps! If it does, please consider giving a 👍.
    Best regards,
    S-Venkadesh

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