Another: The provider is not compatible with the version of Oracle client

Hi everybody,
We still have problems with the ODP dll. with our .Net development. I copied all the dlls as mentioned here: [http://splinter.com.au/blog/?p=156] and in many other posts here in the forum. The .Net development works fine on our Development PCs (WIN XP32) and on many other PCs in the company. But we still have some PCs (As well WIN XP32) that come up with the Error: The provider is not compatible with the version of Oracle client.
Has anyone an idea???
Thanks a lot for your help
Best Jan

Hi Jan,
If there has never been any Oracle Client software installed on the machines, it seems unlikely that there would be Oracle policy files and version(s) of Oracle.DataAccess in the GAC. But, yes, the CLR will look to the GAC first for loading the Oracle.DataAccess assembly. I'm not sure what Framework or Domain setting would be involved here if there is no Oracle client installed. Are the machines configured the same as far as Regional/Language settings, etc?
One thing you might be able to try is to create an application configuration file and enable ODP.NET trace in the file. This is an ODP.NET 11.1 new feature. However, it's possible the error will prevent the trace file from being created. You would create a file named YourApplicationName.exe.config and here is a sample of the minimum content to enable ODP.NET trace:
{noformat}
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
 <oracle.dataaccess.client>
   <settings>
     <add name="TraceFileName" value="c:\odpnet2.trc"/>
     <add name="TraceLevel" value="1"/>
   </settings>
 </oracle.dataaccess.client>
</configuration>
{noformat}
I wish I had an easy answer for you!
Regards,
Mark

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  • Error :"The provider is not compatible with the version of Oracle client"

    Hi guys!
    I'm facing this problem:
    When my .Net application tries to access the DB, I get this error message above.
    The application is into the same machine of DB and the operational system is Windows Server Enterprise 64 bits.
    I'm comparing to another machine that has the same scenario but runs in Windows Vista 64 bits. This problem doesn't happen and I can normally access the DB.
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