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HomeHomeGetting StartedGetting StartedInstalling DNN ...Installing DNN ...DNN6 Configuration Error: Unable to create folder "App_Code/IFrame", but permissions are correct.DNN6 Configuration Error: Unable to create folder "App_Code/IFrame", but permissions are correct.
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3/9/2013 11:35 AM
 
Robert Murrell

Joined: 8/17/2012
Posts: 20

Hello all,

 I'm trying to install DNN6 on a Windows 7 machine running IIS 7.5 and .NET 4.5. When I try to bring up the installation wizard, I get an error stating that the folder "App_Code/IFrame" could not be created, and when I create those folders manually, I get a larger error stating 'Could not load file or assembly "FiftyOne.Foundation" or one of its dependencies. The System cannot find the file specified.'

This tells me that there is likely a permission issue at the heart of this, so here's my current configuration: The DNN6 root folder is in my inetpub/wwwroot folder, and the folder is setup as an application in IIS with its own dedicated App pool. That app pool is configured for .NET framework version 4.0, with an Integrated Managed Pipeline Mode and its identity set to Network Service. In the security settings for the DNN6 root folder, I have added users "IUSR" and "Network Service" and given these users permission to Write to the folder and modify the contents of the folder.

 Any help would be greatly appreciated.
 
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3/9/2013 1:42 PM
 
William Severance


www.wesnetdesigns.com
Joined: 2/18/2005
Posts: 3253

I was about to write that Network Service was not likely to be the ASP.Net worker process account for Windows 7/IIS 7.5 but in re-reading your post saw that you had set the identity account for the application pool to Network Service . . . so, that should not be the issue. It sure sounds like a permission problem, though.

Here's a link to more information about IIS 7.5 identity accounts and permissions setting that may be of help:
http://www.iis.net/learn/manage/confi...

Have you checked that the modify permissions you applied are propagating to child folder's of the root installation folder? You might try adding the IIS AppPool\DefaultAppPool pseudo account and granting that account modify and all lesser permissions as indicated in the above article.

I'm also surprised as to why the IFrame module is trying to install as part of the DNN installation since the former "core" modules were not included in packages after DNN 6.0.0 or so. Even then, the IFrame module package would have had a resources extension rather than zip extension making it available for manual installation but not automatically installed.

Bill, WESNet Designs
Team Lead - DotNetNuke Gallery Module Project (Not Actively Being Developed)
Extensions Forge Projects . . .
Current: UserExport, ContentDeJour, ePrayer, DNN NewsTicker, By Invitation
Coming Soon: FRBO-For Rent By Owner
 
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3/9/2013 3:20 PM
 
Robert Murrell

Joined: 8/17/2012
Posts: 20

Hi Bill,

 I tried what you suggested, but unfortunately saw no change. Now, based on the article you sent me, I gather that I should be setting the identity of the app pool on which I'm basing my DNN6 installation to Application Pool Identity as opposed to Network Service. Doesn't this mean, then, that I should be adding that pool specifically to the list of allowed users for my root folder? And if this is so, can I add my application pool the same way I added the default, with "IIS AppPool\[my app pool name]"?

 Thanks for your help thus far.
 
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3/9/2013 8:47 PM
 
William Severance


www.wesnetdesigns.com
Joined: 2/18/2005
Posts: 3253

It's my understanding that with IIS 7.5+ it is better to use a custom Application Pool Identity rather than Network Service. As far as adding the name of the Application Pool Identity to the list of allowed users, you are correct that you can add the user as "IIS AppPool\[my app pool name]" then grant that pseudo-user modify and all lesser permissions on the root install folder. From my experience (on localhost anyway), you can also add the user as "IIS AppPool\DefaultAppPool" even though you have set a custom Application Pool Identity. Either way seems to work.

Have you checked that permissions for the IIS Identity user account are propagating from the root folder to all child folders?

Bill, WESNet Designs
Team Lead - DotNetNuke Gallery Module Project (Not Actively Being Developed)
Extensions Forge Projects . . .
Current: UserExport, ContentDeJour, ePrayer, DNN NewsTicker, By Invitation
Coming Soon: FRBO-For Rent By Owner
 
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3/11/2013 6:13 PM
 
Richard Howells


Richard Howells's Avatar

www.dynamisys.co.uk
Joined: 3/26/2006
Posts: 2001
I wonder if the permissions given are enough?

It's my habit (possibly a bad one) to allow Full Control. I'm not sure that Modify and Write are sufficient.
Best wishes,
- Richard
Agile Development Consultant, Practitioner, and Trainer
www.dynamisys.co.uk
 
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HomeHomeGetting StartedGetting StartedInstalling DNN ...Installing DNN ...DNN6 Configuration Error: Unable to create folder "App_Code/IFrame", but permissions are correct.DNN6 Configuration Error: Unable to create folder "App_Code/IFrame", but permissions are correct.


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