Remote database connection problem solving steps __ Database

In the daily development, database instances are often deployed on the server, and we usually through the Client Connection server for database development, and sometimes the new configuration of clients can not connect to the server, mainly from the following aspects of troubleshooting:

1, port is correct and enabled

The command line uses NETSTAT-A to see if the port number is enabled, and then remotely through the Telnet IP address port number to see if the port number can be connected. If you cannot connect, check to see if the firewall is blocking.

2, whether remote access to the database is open.

3, the database service is started.

4, the username/password is correct and the permissions are configured correctly.