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.NET 4.0 Security Permissions

Posted on 2010-09-03
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Last Modified: 2013-11-08
I am running .NET 4.0 on a Windows 2003 server.  For some reason it continues to loose the ability to write to the "temporary asp.net files" folder.  AKA I get the following error message:


The current identity (NT AUTHORITY\NETWORK SERVICE) does not have write access to 'C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files'.

If I run aspnet_regiis.exe everything gets corrected and it will work for a while (less than 24 hours) before I am getting the same error message again.  Can you please help me figure out what I need to look at or do to ensure that this runs consistently.
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Question by:kmcbrearty
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5 Comments
 
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Expert Comment

by:dqmq
ID: 33596986
Give NT AUTHORITY\NETWORK SERVICE full control to  a parent folder like "C:\WINDOWS\Microsoft.NET\"  and sure to apply the permissions are applied to child folders.
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Author Comment

by:kmcbrearty
ID: 33597848
Obviously that would fix the problem but isn't that what is happening when I run aspnet_regiis?  I can verify the permissions but the fact that the error went away after running aspnet_regiis made me believe that the permissions were corrected.  I think for some reason the permissions are not staying.
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Assisted Solution

by:dqmq
dqmq earned 500 total points
ID: 33771075
My "theory" is that aspnet_regiis fixes the perimissions, but later, the temp directory is recreated and inherits the wrong permissions at that time.  Thus my suggestion to change the parent permissions such that a different set of permissions are inherited.
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Accepted Solution

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kmcbrearty earned 0 total points
ID: 33878198
Looks like there is probably a group policy that is the problem.  I am not sure that the customer has actually fixed it but that is what the problem is.
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Author Closing Comment

by:kmcbrearty
ID: 37555486
Best description of the problem.
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