Connecting to a Data Source Using a Logon Dialog Box

Some ODBC applications display a logon dialog box when you are connecting to a data source. In these cases, the data source name has already been specified.

The Logon to Oracle Wire Protocol dialog box

In this dialog box, provide the following information:

NOTE: To configure a standard connection, complete the first four fields and skip to Step 6.

  1. In the Host field, type either the name or the IP address of the server to which you want to connect.

    2. If you enter a value for this field, the Server Name field is not available.

    This field is not available if you enter a value for the Server Name field.

  2. In the Port Number field, type the number of your Oracle listener. Check with your database administrator for the correct number.

    3. If you enter a value for this field, the Server Name field is not available.

    This field is not available if you enter a value for the Server Name field.

  3. In the SID field, type the Oracle System Identifier that refers to the instance of Oracle running on the server.

    4. If you enter a value for this field, the Server Name and Service Name fields are not available.

    This field is not available if you enter a value for the Service Name or Server Name fields.

  4. In the Service Name field, type the Oracle service name that specifies the database used for the connection.

    5. See Service Name under Step 3 in "Configuring Data Sources" for details.

    If you enter a value for this field, the Server Name and SID fields are not available.

    This field is not available if you enter a value for the SID or Server Name field.

    NOTE: If you want to configure a TNSNames connection, complete only the following two fields.

  5. In the Server Name field, type a net service name that exists in the TNSNAMES.ORA file. The corresponding entry in the TNSNAMES.ORA file is used to obtain Host, Port Number, and SID information.

    6. If you enter a value for this field, the Host, Port Number, SID, and Service Name fields are not available.

    If you enter a value for either the Host, Port Number, SID, or Service Name fields, this field is not available.

  6. If required, type your Oracle user name.
  7. If required, type your Oracle password.
  8. Click OK to log on to the Oracle database installed on the server you specified and to update the values in the Registry.

NOTE: You can also use OS Authentication to connect to an Oracle database. See "OS Authentication" for details.