IIS 7.5 white screen of death for aspx pages

boosted

New Member
I have a web application: ASP.NET 4, Sql Server 2008 which is working fine on Windows 2008 / iis 7. When I tried to move the site to a Windows 2008 R2 / IIS 7.5 server I encountered a white screen in the browser.
If I try to access an image or a simple html file everything is fine, but aspx pages just create a white screen.
If I go to an aspx page that has a Response.Redirect in it, the browser redirects to the target page but that's white to. It seems that the pages are processed and created but something prevents them from rendering to the browser.
I'v enabled Trace Failed Requests and all of the aspx pages I hit are status 200 and there are no errors in server events.
Any ideas? UPDATE
- I'm using .Net 4
- I have used aspnet_regiis -i
 
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