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I have an application that connects to a database, retrieves information, creates an Excel file, then deletes the file / sends the file to X people.
The application was built in Visual Studios using the .NET 2.0 Framework (Windows Form Application). It was launched on a 32 bit server. However, it was recently transferred to a 64-bit server. Now the error message “The MSDAORA.1 provider is not registered on the local computer” is displayed.
I think MSDAORA is only supported for 32-bit applications, and the application pool in which the application is running in IIS is not enabled for 32-bit applications.
How can I solve this problem? Can I change anything in IIS? Or is it a code change?
Hello,I have an application in asp.net that connects to Oracle database via oledb connectionDim m As New OleDb.OleDbConnection ("Data source = ...; Persist Security Info = True; User ID = ...; Password = .........; Unicode = True; Provider = MSDAORA")I developed in Visual Studio in 32 bitth Windows XP and when I debug my application everything works fine.Now I have moved my application to Windows Server 2008 64 bit and implemented my application with iis 7.0.The problem is that every time I run the application in the browser, I get the following error message:System.InvalidOperationException: The MSDAORA provider is not registered on the local computerCommunication with the oracle cannot be your fault. I can connect to oracle using sqlplus.Where is the mistake? What am I doing wrong?thanks for the helpHiModified: user8846585 1/29/2010 03:30 AM
MSDAORA is not 64-bit. You will need to either switch your application to a 32-bit application and use the 32-bit Oracle client, or instead use the 64-bit Oledb client and provider (that is, the Oracle provider is ORAOLEDB.ORACLE).Hope this helps,Greg
Hello,Thanks for your reply. I downloaded the Oracle Provider Kit and modified the source code. it works now.
Could you give me the link you downloaded from and how
You can download it here: http://www.oracle.com/technetwork / database / windows / downloads / index-090165.htmlThe simplest change is your app's connection string. With any luck, no further changes are required. However, you need to run some tests to check this for your code. :)