Blog should have comment notifications, really. It seems you are talking to yourself here Chris. I am revisiting Windows 7. After an awful experience with an embedded Nvidia video chip and Vista. I thought 7 would be heaven. Irt was not.

I struggled for 2 days to find out how to beat a crashing OS because of Aero. It turns somehow I beat the graphics issue. That led me to the apps installation.

With VS 2008 and SQL 2008 installed I was running into issues with 4.9.3 (not trying earlier versions) when setting up my environment.

So far I've validated that it is necessary that Anonymous Authentication AND the Pool Identity run under the same account AND that it must have access to the DNN directory.

Now I have DNN ready for Gallery and beyond! Thanks for sharing.

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Hi Chris,

I just had a similar problem to what you had and I thought I would post more information on the subject.

I think this is likely related to the differences that the identity user AppPoolIdentity has over NetworkServices in IIS7.x and in IIS7.5 AppPoolIdentity is setup by default.

I just had a similar problem when copying a DLL and the AppPoolIdentity/trust level of the dll were to blame it seems read the blog from the French IIS support team.

http://blogs.msdn.com/b/friis/archive/2010/06/09/system-security-securityexception-request-for-the-permission-of-type-system-web-aspnethostingpermission-failed.aspx

Of which I expect this bit will be the most useful:

"In IIS 7.5, the default application pool is no longer Network Service, like in IIS 6 (that came with Windows 2003) and IIS 7 (that comes with Windows 2008), but rather a built in account called ApplicationPoolIdentity. This is even more restrictive than Network Service, in that required trust levels for .Net assemblies to be loaded inside an application pool have to be greater than what was permitted with Network Service."

Anyway I saw you had a similar problem googling around for more info and it linked to here so hopefully it will help.

Cheers,

Rovastar
www.IISportal.com