I'm trying to move an older (version 2.95) application to a new Windows 2012 server. I thought I knew this already but something must be different. I have this web.config:

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
 <system.webServer>
  <handlers accessPolicy="Read, Execute, Script">
     <remove name="ISAPI-dll" />
     <add name="wcs_handbok" path="*.wcs" verb="*" modules="IsapiModule" scriptProcessor="C:\inetpub\wwwroot\handbok\scripts\wc.dll" resourceType="Unspecified" requireAccess="Script" preCondition="bitness32" />
     <add name="wc_handbok" path="*.wc" verb="*" modules="IsapiModule" scriptProcessor="C:\inetpub\wwwroot\handbok\scripts\wc.dll" resourceType="Unspecified" requireAccess="Script" preCondition="bitness32" />
     <add name="ISAPI-dll" path="*.dll" verb="*" modules="IsapiModule" scriptProcessor="C:\inetpub\wwwroot\handbok\scripts\wc.dll" resourceType="File" requireAccess="Execute" allowPathInfo="true" preCondition="bitness32" />
  </handlers>
 </system.webServer>
</configuration>

Anyway when I hit a link like scripts/wc.dll?Handbok~Reindex the dll tries to download. My application pool is defined as No managed Code/Classic, 32-bit Applications enabled. If I change the application pool to anything else I get HTTP 405. What else i there?