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404 IIS 7 ASP.NET Big File Upload Problem

I have the script at the bottom to upload files. If I upload files les than 20 mb around no problem upload perfect but if I put a 179 mb file or higher the IIS7 give me this error:
(404) Not Found. I made a trace of the error and found tell this:

ModuleName RequestFilteringModule
Notification 1
HttpStatus 404
HttpReason Not Found
HttpSubStatus 13
ErrorCode 0
Notification BEGIN_REQUEST
ErrorCode The operation completed successfully. (0x0)

Could you tell me what can I do to solve the problem?
Thank you here is the code

        String savePath = @"C:\inetpub\wwwroot\esp\alianza\actividades\nutricionIII\videostemp0\";

        if (FileUpload0.HasFile)

            string FileExtention = System.IO.Path.GetExtension(FileUpload0.FileName);
            if (FileExtention == ".flv")
                String fileName = FileUpload0.FileName;

                savePath += fileName;


                UploadVideo0StatusLabel.Text = "Todo se subió correctamente";


                UploadVideo0StatusLabel.Text = "is not flv";



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1 Solution
coerraceAuthor Commented:
HEre is my web.config. file I read somewhere to change  maxAllowedContentLength look:

    <customErrors mode="Off"/>
            <authentication mode="Forms">
                  <forms name="TestAuthCookie" loginUrl="login.aspx" timeout="1000">
                        <credentials passwordFormat="Clear">
                              <user name="test" password="test"/>
                              <user name="test" password="test"/>
                  <deny users="?"/>
            <compilation targetFramework="4.0">
                        <add assembly="System.Windows.Forms, Version=, Culture=neutral, PublicKeyToken=B77A5C561934E089"/></assemblies></compilation>
            <pages controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID"/>

                <!-- maxAllowedContentLength: bytes -->
                <requestLimits maxAllowedContentLength="3000000000"/>


But now give me this error with my web.config an I want 2 upload a file of 200 mb that´s it.

Maximum request length exceeded.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: Maximum request length exceeded.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[HttpException (0x80004005): Maximum request length exceeded.]
   System.Web.HttpRequest.GetEntireRawContent() +11314919
   System.Web.HttpRequest.GetMultipartContent() +221
   System.Web.HttpRequest.FillInFormCollection() +345
   System.Web.HttpRequest.get_Form() +137
   System.Web.HttpRequest.get_HasForm() +11317092
   System.Web.UI.Page.GetCollectionBasedOnMethod(Boolean dontReturnNull) +141
   System.Web.UI.Page.DeterminePostBackMode() +163
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +249
Paul JacksonSoftware EngineerCommented:
Open IIS 7 SnapIn
Select the website you want enable to accept large file uploads.
In the main window double click 'Request filtering'
once the window is opened you may see on top a list of tabs eg: file name extensions, rules, hidden segments and so on...
regardless the tab you select, in the main window rightclick and select "Edit Feature Settings" and modify the "Maximum allowed content length (bytes)"

coerraceAuthor Commented:
Works Thank you
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