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Message: [QUOTE="newemployee909090, post: 5063442"] Our ASP.NET C# web application is used in the following environment - .NET Framework 4 - IIS 7 - Windows 2008 - Visual Studio 2010 .NET IDE - C# - HTTPS ( SSL ) Our ASP.NET C# web application uploads various files like jpgs, mp4, mp3, pngs, docx, txt, etc to a folder called ClientBin. However, if wedeploy the application to an IIS7 server, we have to give the web user of our application permission to upload file. We give the \IIS_IUSRS group permission to execute, read, write and execute on our ClientBin upload folder. A web user can upload files that have size less than approximately 12MB. However, when a web user uploads any more than approximately 12MB, the filethat gets uploaded will be 0 bytes on the server's ClientBin upload folder.. In our Web.config, we have the following configurations for httpRuntime tag: <system.web> .... ...... ......... ............... <httpRuntime maxRequestLength="1048576" executionTimeout="50000" useFullyQualifiedRedirectUrl="false" requestLengthDiskThreshold="15360"minFreeThreads="8" minLocalRequestFreeThreads="4" appRequestQueueLimit="100" /> </system.web> In our Web.config, we have the following configurations for requestLimits tag: <system.webServer> ............... .......................... <security> <requestFiltering> <requestLimits maxAllowedContentLength="2000000000" /> <fileExtensions> <add fileExtension=".aspx" allowed="true" /> </fileExtensions> </requestFiltering> </security> </system.webServer> I also took the undesired approach of modifying the machine.config file by creating the following settings: <system.web> <processModel responseDeadlockInterval="0:09:00" responseRestartDeadlockInterval="0:09:00" /> ...................... ........................................... .............................................................. </system.web> In IIS 7, I clicked on the website and expanded it then clicked the ASP icon. Expand the Limits Properties icon, and change the value in the “Maximum Requesting Entity Body Limit” to a value larger than 200000 (which is about 200kb). 4194304 would be about 4 Mb, 41943040 would be 40 Mb. Why are uploaded files to ASP.NET web Application greater than 12MB being shown as 0MB ? [/QUOTE]

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