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SSIS to Oracle Connection Problems

Posted on 2011-09-22
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Last Modified: 2012-05-12
Hello,

I have a Oracle 11g server that I interact with via SQL Server.  Oracle is installed on the server, I can connect via SQL Plus on the server and I have successfully set up a linked server in sql management studio to the oracle server.  I am able to query the oracle server with the linked server connection and pull data over.

Due to our environment, linked servers are not a prefered method for doing ETL and I was going to create an SSIS package to pull the data.  For some reason, I am unable to establish the connection from SSIS.

For my linked server, I am using the OraOLEDB.Oracle driver that I installed from a MS MDAC.  But, that driver is not showing up in the SSIS connections.  I have tried using the MS OLE DB provider and that does not work and produces the following error:  

Test connection failed because of an error in intializing provider.  Oracle client and networking components were not found.  These components are supplied by Oracle Corporation and are part of the Oracle Version 7.3.3 or later client software installation.  Provider is unable to function until these components are installed.

I have also tried to connect via ODBC.  The ODBC connection in Windows works and tests fine.  However, when I try to use the connection in SSIS I get the following error:

Test connection failed because of an error in initializing provider.  ERROR [IM002][Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified.

I'm a little baffled at these error messages since I am able to connect to the Oracle instance everywhere else ... even within SQL with my linked server it works just fine.  Could this have something to do with my oracle home directory or some enviornmental variable?  
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Question by:Roxanne25
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by:dswatt
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have you tried putting the IP address in the TNSnames file?
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by:Roxanne25
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Yea, I have... it doesn't even get to trying a connection.  Its bombing on the loading of the driver.
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by:Roxanne25
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Ahhh... I think it has something to do with 64 bit...
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by:dswatt
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did you get it fixed Roxanne?
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Roxanne25 earned 0 total points
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No, not "fixed" per se... I see from researching that my only solution would be to install 2 versions of oracle on my server?  A 32 and a 64 bit?  I really don't want to install 2 different instances of oracle on my sql server though.

The only other solution I have is to just keep using the linked server connection that I have...

I'm really open to ideas at this point though.

But, I do believe that the problem lies with trying to use 64 bit SQL Server and 64 bit Oracle with 32 bit BIDS.
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by:Roxanne25
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The only resolution to this appears to be to install two different Oracle clients to be able to establish the connection in SSIS.  Was able to answer the question on my own research.
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