Unable to connect to Forms 6i from Oracle 9i

Hi,
I have Oracle 9.2.0 (Personal edition) and Forms 6i installed on a Win2K PC.
I am able to connect to the DB from SQLPLUS. But, I am unable to connect to the DB from Forms 6i. I was getting a ORA-12203 error. Then I configured the DB connection through the Net Easy Config. Also I tried to copy the network/admin/tnsnames.ora file from my database ORACLE_HOME to the Developer Suite ORACLE_HOME. Now I am getting the ORA-12222 TNS: No such protocol adapter error.
Can anyone suggest where I am going wrong and what is that I need to do to resolve the problem.
Thanks in advance!!!

Normaly forms6i uses Tnsnames.ora file to connect to the database. You need to setup your Tnsnames.ora file correctly by clicking Start---Programs---Directory for Oracle--Oracle net8 easy config, and configure your database connection.

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    To acces sql server from Oracle you may use Transparent Gateway for Microsoft SQL - http://download.oracle.com/docs/cd/B19306_01/gateways.102/b14270/ch3.htm#sthref66 and Heterogeneous Connectivity - http://download.oracle.com/docs/cd/B19306_01/server.102/b14232/intro.htm#sthref33
    Best regards.

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