Through the oracle client access server A, prompt ora12170 TNS connection timeout, but the rest colleagues can link up, there are several colleagues connection,
Than the TNS is no problem, can ping server IP, port can Telnet, local fire wall also has been closed, please also what might be the problem?

CodePudding user response:

In which the client?

With IP/sid form directly to try,

CodePudding user response:

Look at the sqlnet. Ora, is configured with a black/white list

CodePudding user response:

Tnsping tong? IP: port/service

CodePudding user response:

Or environmental problems,

CodePudding user response:

Your problem solved? How to solve the
I also encountered similar problems, Telnet ping tnsping can, only up sqlplus timeout

CodePudding user response:

The same question, another Windows 7 can be, but the Oracle database server2008 to connect to remote server, so ora12170 TNS connection timeout