Internet Information Services

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In addition to having the Microsoft .NET 4.0 Framework installed on your webserver, you will need to ensure that IIS is properly set up to use the .NET 4.0 Framework:

  • Verify that there is an extension for ASP.NET v4.0.30319 and that it is set to Allowed.
  • Verify that the ASP.NET version is set to v4.0.30319 for each module using ASP.NET.


The minimum permissions required for ASP.NET applications to run require read permissions on all web files for the Internet Information Services (IIS) IUSR_ComputerName Internet Guest Account and an ASP.NET ASPNET user account (or NetworkService user account, for IIS 6.0). The accounts will also need read permissions to the logon.dbc file that was created using the

In addition, if you need to obtain logs for customer support, you will need to ensure the previously named accounts have to write permissions to the log folder. By default, the log folder is set to C:\Program Files (x86)\Aeon\Logs. 

For more information on configuring NTFS file permissions for the security of ASP.NET applications, see


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