“Entry has already been added” - Two Separate App Pools

Question

I am creating a test version of an existing production site. A virtual web service application exists inside the site - and the two web configs have the same connection stri

Answer 1

Web.config inheritance happens even between different appPools. If you want to stop this behavior, you should add the attribute enableConfigurationOverride="false" to your appPool in the applicationHost.config file (located in %WINDIR%\System32\inetsrv\Config and %WINDIR%\SysWOW64\inetsrv\config) as in the following example:

Matteo