Connect oracle

hi, carlosalexandre 

Please check if the bit version of ODAC matched power bi desktop.

 

For 32-bit versions of Power BI Desktop, use the following link to download and install the 32-bit Oracle client:

• 32-bit Oracle Data Access Components (ODAC) with Oracle Developer Tools for Visual Studio (12.1.0.2....

For 64-bit versions of Power BI Desktop, use the following link to download and install the 64-bit Oracle client:

• 64-bit ODAC 12c Release 4 (12.1.0.2.4) for Windows x64

and here is the similar post for you refer to:

https://community.powerbi.com/t5/Desktop/Oracle-connection-error/m-p/70451

https://community.powerbi.com/t5/Desktop/Unable-to-connect-using-Oracle-database-even-after-ODAC-install/m-p/335051

 

Best Regards,

Lin