Microsoft OLE db provider for Oracle windows 2008 64 bit

Posted on 2011-10-25
Last Modified: 2012-05-12
Hi Experts

I want to create a linked server in SQL 2008 64 bit  (Os windows 20078 64 bit) to an Oracle 32 db with Ms OLE DB provider for Oracle provider, I have already installed Oracle instant client and the ODBC drivers and can create a DSN that successfully connects to the Oracle Data source, Iv downloaded the Microsoft Data access components but the provider is still not present, Iv googled and found that MS doesnt provide  a 64 bit provider - has anyone else resolved this isse?
Question by:MrDavidThorn
    LVL 23

    Expert Comment

    - to connect to a 32bit database, you need the 32bit driver/providers. then setup the DSN using the datasource admin located in C:\Windows\SysWOW64\odbcad32.exe. the one in control panel is for 64bit driver.
    LVL 17

    Accepted Solution

    I also had the same problem.. as far as i remember, I installed Oracle 11g 64 bit client and then on that Oracle Data Access Components (ODAC 11)

    Author Comment

    thanks aiklamhas, followed your steps and making progress - only problem I have now is that when I try and create the istance I get error message cannot create an instance of OLE DB provider "OraOLEDB.Oracle" for linked server "LINKED_SERVER_NAME" Iv googled the problem and allow inprocess is ticked on the provider properties but still getting the error.
    LVL 17

    Expert Comment

    I didn't use it with Linked server. .. so i have no idea about this error..

    make sure you have installed odac with /all parameter..

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