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    Unable to Connect to DB - ORA-12170 : TNS : Connection Time Out Occurred

    DashtheEnigmatic

      Pls help me to connect to my Database

       

      OS : Windows 7 - 64 bit

      Oracle 11g

      PL/SQL Developer Version : 9.0.1.1613

       

      SQLNET.ORA file as below

      # sqlnet.ora Network Configuration File: C:\app\DASH\Oracle\product\11.1.0\db_1\network\admin\sqlnet.ora

      # Generated by Oracle configuration tools.

      # This file is actually generated by netca. But if customers choose to

      # install "Software Only", this file wont exist and without the native

      # authentication, they will not be able to connect to the database on NT.

       

      SQLNET.AUTHENTICATION_SERVICES= (NTS)

       

      NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)

      ---------------------------------------------------------------------------------------------------------------------------------------------------------------

      TNSNAMES.ORA as below

      # tnsnames.ora Network Configuration File: C:\app\DASH\Oracle\product\11.1.0\db_1\network\admin\tnsnames.ora

      # Generated by Oracle configuration tools.

       

      ORCL =

        (DESCRIPTION =

          (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.7)(PORT = 1521))

          (CONNECT_DATA =

            (SERVER = DEDICATED)

            (SERVICE_NAME = orcl)

          )

        )

      ---------------------------------------------------------------------------------------------------------------------------------------------------------------

      LISTENER.ORA ( I have modified this file as per suggestion from other thread - not sure if this is correct )

      # listener.ora Network Configuration File: C:\app\DASH\Oracle\product\11.1.0\db_1\network\admin\listener.ora

      # Generated by Oracle configuration tools.

       

      SID_LIST_LISTENER =

        (SID_LIST =

          (SID_DESC =

            (SID_NAME = PLSExtProc)

            (ORACLE_HOME = C:\app\DASH\Oracle\product\11.1.0\db_1)

            (PROGRAM = extproc)

          )

        )

       

      LISTENER =

        (DESCRIPTION_LIST =

          (DESCRIPTION =

            (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))

            (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.7)(PORT = 1521))

          )

        )

      ---------------------------------------------------------------------------------------------------------------------------------------------------------------

      PLS HELP ME..... Thanks in advance

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