Could not establish ODBC Connection

[darwish]

Hello

I am connecting to an Oracle 9.0.2 Database from my Access application.

This Connection is established through a DSN Created in the Administrative tools in Windows.

I have the TNS Names all set perfectly

I am Using 3 Schemas. 2 are working correctly and are connected and I still have 1 Schema that i cannot connect to it from ms access knowing that all 3 are Oracle 9.0.2

Whenever I'm establishing the ODBC connection from Ms Access to link a table, I am having the below Error:

ODBC--call failed.
[Oracle][ODBC]ORA-12154: TNS: could not resolve service name
(#12154)[Microsoft][ODBC Driver Manager] Driver's SQLSetConnectAttr failed IM006 0 [Microsoft][ODBC Driver Manager] Driver's SQLSetConnectAttr failed (#0)

Thank you for any help

[ranman256]

Do you have the correct and updated Oracle ODBC driver?
did you create an ODBC connection? This has a test button to verify.
Did you attach the Oracle tables using this connection?

[orange]

You may already have googled this, but if not

from Oracle docs:

ORA-12154: TNS:could not resolve the connect identifier specified
Cause: A connection to a database or other service was requested using a connect identifier, and the connect identifier specified could not be resolved into a connect descriptor using one of the naming methods configured. For example, if the type of connect identifier used was a net service name then the net service name could not be found in a naming method repository, or the repository could not be located or reached.
Action: - If you are using local naming (TNSNAMES.ORA file):
- Make sure that "TNSNAMES" is listed as one of the values of the NAMES.DIRECTORY_PATH parameter in the Oracle Net profile (SQLNET.ORA)
- Verify that a TNSNAMES.ORA file exists and is in the proper directory and is accessible.
- Check that the net service name used as the connect identifier exists in the TNSNAMES.ORA file.
- Make sure there are no syntax errors anywhere in the TNSNAMES.ORA file. Look for unmatched parentheses or stray characters. Errors in a TNSNAMES.ORA file may make it unusable.
- If you are using directory naming:
- Verify that "LDAP" is listed as one of the values of the NAMES.DIRETORY_PATH parameter in the Oracle Net profile (SQLNET.ORA).
- Verify that the LDAP directory server is up and that it is accessible.
- Verify that the net service name or database name used as the connect identifier is configured in the directory.
- Verify that the default context being used is correct by specifying a fully qualified net service name or a full LDAP DN as the connect identifier
- If you are using easy connect naming:
- Verify that "EZCONNECT" is listed as one of the values of the NAMES.DIRETORY_PATH parameter in the Oracle Net profile (SQLNET.ORA).
- Make sure the host, port and service name specified are correct.
- Try enclosing the connect identifier in quote marks. See the Oracle Net Services Administrators Guide or the Oracle operating system specific guide for more information on naming.

Good luck.