Connectivity issue from Power BI to Azure DataBricks

Hi, Anonymous 

Check the credentials in the data source settings.Make sure that the Azure AD account you entered has permissions for the data source. You can check out the following documents：

Solved: connection with databricks failing - Microsoft Fabric Community

Connect Power BI to Azure Databricks - Azure Databricks | Microsoft Learn

Review OAuth token expiration and renewal settings. If the token is about to expire and is not properly renewed, it can lead to an authorization error. You can check out the following documents：

Troubleshoot Power BI REST APIs - Power BI | Microsoft Learn

Check the assigned permissions and roles in Azure. Make sure that the Power BI service has the required permissions to access Azure Databricks. 

Check that the Databricks server is up and running and accessible from the network. Or, as GilbertQ says, check to see if your firewall is blocking Databricks connections.

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Best Regards

Yongkang Hua

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