MSDAORA.1 is not registered on local machine

Question

User-1144112885 posted

Hi Guys!

My app throw exception with the message of "MSDAORA.1 is not registered on local machine" in iis7, but it's normal in vs(debug mode), what's the problem of that?

 

OS: Windows Server 2008 Web R2

ODAC version: 11

development and deployment in a same machine.

 

Answer 1

User269602965 posted

can you briefly describe the operating systems, hardware, and Oracle database and provider versions used in

your development and IIS7 production envrironments.

This will improve your chances for a responses

Answer 2

User-1144112885 posted

I think the problem is caused by iis.

 

OS: Windows Server 2008 Web

ODAC version: 11

development and deployment in a same machine.

 

Answer 3

User269602965 posted

Is the Windows 2008 Web edition running as 64-bit machine? 

Answer 4

User-1144112885 posted

Is the Windows 2008 Web edition running as 64-bit machine? 

yes

 

it is resolved by enable running 32-bit mode.

Answer 5

User269602965 posted

That is what I was going to guess.

You were in 64-bit environment with a 32-bit driver for loading data.