IIS Connect to Access Database

Once you has classic asp running on your local computer and you want to connect to a local Access Database you need to "Enable 32-bit applications" in the Application Pool for the site.

Select the Application Pool in IIS, click on Advanced Settings... in the Actions on the right of the screen. Change "Enable 32-bit applications" to true, clink OK and you are good to go.

http://answers.microsoft.com/en-us/office/forum/officeversion_other-office_other/asp-error-adodbconnection-error-800a0e7a-provider/23104439-2a75-4132-a8e2-1d463d2315e8