Troubleshooting a failed connection
This section is all about what you should do when things go wrong.
Bear in mind that 90% of problems are just misunderstandings, and you'll be on track again fairly quickly.
- Check whether the database name and username are accurate: You may be requesting a service on one system when the database you require is on another system. Recheck your credentials. Check especially that you haven't mixed things up so that you are using the database name as the username and/or the username as the database name. If you receive "too many connections", then you may need to disconnect another session before you can connect, or wait for the administrator to re-enable the connections.
- Check for explicit rejections: ...