Видео ютуба по тегу Failure -Test Failed: Io Error: The Network Adapter Could Not Establish The Connection

how to fix: The Network Adapter could not establish the connection Code fournisseur 17002
how to fix: The Network Adapter could not establish the connection Code fournisseur 17002
Oracle: fixed errors 17002 and 12505
Oracle: fixed errors 17002 and 12505