Toad for Oracle FAQ
In any database environment, if you do not have your connection settings properly configured, you are never going to be able to connect your client to the database. Unfortunately, this can be a familiar scenario trying to get the Oracle client to work alongside Toad for Oracle when connecting to the Oracle database.
Below is a handy Knowledge Article checklist of the most common Oracle database connection problems along with their resolutions.
This FAQ focuses on:
Additionally, at the end of the checklists there are additional links for further documentation on specific Oracle client Knowledge Base solutions.
Knowledge Base Article 64853 can be viewed here.