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Showing posts from February 6, 2011

Asp.Net 2 and 4 default application pool generates CS0016 IIS7.5

Before I start – if you’ve found a bunch of other articles about this around the net, tried the fixes that are mentioned and still not getting any joy – then read on – you might find this solves your problem. Earlier today I discovered that when I run any ASP.Net 2 or 4 application through IIS7.5 using the default application pools (which use ApplicationPoolIdentity) on Windows 2008 R2 x64 I get an error message similar to this: Server Error in '/MvcApplication31' Application. Compilation ErrorDescription: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: CS0016: Could not write to output file 'c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\mvcapplication31\222b4fe6\4e80a86\App_global.asax.clb4bsnc.dll' -- 'The directory name is invalid. '
Source Error:[No relevant source lines]
Sou…