Gianni Ceresa napisał(-a):Also worth nothing you installed the client on a not supported OS ... Thanks for the hint, I installed the administration tool on Windows 10 and import metadata is working out of the box.

Yes, database connection works when i modify connection pool to use data source: server:port/sid But import metadata still gives me the same error.

Yes you are right in the offline mode it uses local tnsnames.ora. But only import metadata gives error in online and offline mode so tnsnames is not the problem.

According to this documentation: https://docs.oracle.com/middleware/12212/biee/BIEMG/GUID-88E782D7-FCFD-4FB8-8AD3-E8482BBEF152.htm#configuring_oracle_db_… " Troubleshooting OCI Connections If you choose not to use the entire connect string in the repository connection pool, you must ensure that a valid tnsnames.ora file is…