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FAiled to connect to Oracle from SSMS

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  • FAiled to connect to Oracle from SSMS

    Hello Everyone,

    I've downloaded and install the ODAC for connecting oracle DB into my SQL Server 2008 using
    Code:
    http://download.oracle.com/otn/other/ole-oo4o/ODAC112021Xcopy_x64.zip
    The OleDB data provider for Oracle is now available in the SQL Server, but doesn't seems to be usable for now, Shall I install oracle 11gR2 client 64 bit on top of this ODAC ?

    the following is the result of the right clicking the connection to the oracle server that I just created to test the server connection.

    Code:
    TITLE: Microsoft SQL Server Management Studio
    ------------------------------
    The test connection to the linked server failed.
    ------------------------------
    ADDITIONAL INFORMATION:
    An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
    
    ------------------------------
    
    Cannot initialize the data source object of OLE DB provider "OraOLEDB.Oracle" for linked server "DW-DB_PROD".
    OLE DB provider "OraOLEDB.Oracle" for linked server "DW-DB_PROD" returned message "ORA-12541: TNS:no listener". (Microsoft SQL Server, Error: 7303)
    
    For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=10.00.4000&EvtSrc=MSSQLServer&EvtID=7303&LinkId=20476
    
    ------------------------------
    BUTTONS:
    OK
    ------------------------------
    DW-DB_PROD is the DB instance name that is available and working from TNSPING command and I can get in from the SQLPLUS.

    Any kind of help would be greatly appreciated.

    Thanks
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