Hello,
I am currently testing the Connect to Microsoft Fabric OneLake (Preview) functionality in Customer Insights Data and have run into an issue.
The connection itself can be configured successfully:
- The Fabric workspace is visible.
- The Lakehouse is visible and can be selected.
- The connection is created without errors.
- The tables in the Lakehouse are managed Delta tables.
However, when Customer Insights Data should display the available tables, no tables are shown at all.
So far I have verified the following:
- The Customer Insights service principal has been added to a dedicated Entra ID security group.
- The security group has Contributor permissions on the Fabric workspace.
- Workspace and Lakehouse access appear to be configured correctly.
- OneLake access is working as expected.
- The Lakehouse contains Delta tables that are visible within Fabric.
- I have already waited for permission propagation.
My questions are
- Are there additional requirements for Delta tables to become discoverable in Customer Insights Data?
- Are there known limitations or issues with this Preview feature?
- Could firewall settings prevent the tables from appearing?
- Is there any logging or diagnostic information available that could help identify why no tables are returned?
Any guidance would be greatly appreciated.
Thanks in advance,
Ed Fernandes

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