Windows Oracle Data Access Components (MOSC)

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Cannot create an instance of OLE DB provider "provider name" for linked server "linked server name".

edited Jan 16, 2015 10:02AM in Windows Oracle Data Access Components (MOSC) 5 commentsAnswered

Hi

We are trying to access oracle database views from ms sql server 2008.

Steps we took is

1. First we install oracle client 11.2.0.4 32 Bit

    OleDB provider for oracle was missing. We found that the MS sql server is of 64 bit

    Deinstall the 11.2.0.4 32 Bit and install 11.2.0.4 64 bit at the same location where 32 bit client software was installed,

2. tried to Create the link server using QL Server Management Studio, it is getting failed and i am getting the below, Even enabled the options allow in process.

Still i am getting this error. Oracle Database version is 11.1.0.7 and Oracle Client version 11.2.0.4. I am able to connect using windows authentication mode and able to access Oracle views but when i try using sqlserver authentication mode i am getting an error not able to create instance.

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