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  1. POCan we upload a file size of 500MB using WCF Service?
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    <p>I have written a WCF Service to upload a file. So far i am able to upload a file size of 300MB. When i tried further i am receiving an error mentioning </p> <p>"The underlying connection was closed: The connection was closed unexpectedly."</p> <p>I have increased the buffer size to 2GB in WCF service as well the client DLL[Uisng Channel factory] . Also i have increased the sendTimeout and Receive Timeout in Client aswell the WCF service to 1 hour. I have also increased the httpruntime elements maxRequestLength to"2097151". Even after all these settings i couldn't upload file size more than 300MB.</p> <p>Can anyone pls help me out on this?</p> <p>This is my Web Config file of WCF Service:</p> <pre><code>&lt;?xml version="1.0"?&gt; &lt;!-- Note: As an alternative to hand editing this file you can use the web admin tool to configure settings for your application. Use the Website-&gt;Asp.Net Configuration option in Visual Studio. A full list of settings and comments can be found in machine.config.comments usually located in \Windows\Microsoft.Net\Framework\v2.x\Config --&gt; &lt;configuration&gt; &lt;configSections&gt; &lt;sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt; &lt;sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt; &lt;section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"&gt; &lt;section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere"/&gt; &lt;section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/&gt; &lt;/sectionGroup&gt; &lt;/sectionGroup&gt; &lt;/sectionGroup&gt; &lt;/configSections&gt; &lt;appSettings/&gt; &lt;connectionStrings/&gt; &lt;system.web&gt; &lt;!-- Set compilation debug="true" to insert debugging symbols into the compiled page. Because this affects performance, set this value to true only during development. --&gt; &lt;compilation debug="true"&gt; &lt;assemblies&gt; &lt;add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/&gt; &lt;add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/assemblies&gt; &lt;/compilation&gt; &lt;!-- The &lt;authentication&gt; section enables configuration of the security authentication mode used by ASP.NET to identify an incoming user. --&gt; &lt;authentication mode="Windows"/&gt; &lt;!-- The &lt;customErrors&gt; section enables configuration of what to do if/when an unhandled error occurs during the execution of a request. Specifically, it enables developers to configure html error pages to be displayed in place of a error stack trace. &lt;customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"&gt; &lt;error statusCode="403" redirect="NoAccess.htm" /&gt; &lt;error statusCode="404" redirect="FileNotFound.htm" /&gt; &lt;/customErrors&gt; --&gt; &lt;pages&gt; &lt;controls&gt; &lt;add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/controls&gt; &lt;/pages&gt; &lt;httpHandlers&gt; &lt;remove verb="*" path="*.asmx"/&gt; &lt;add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false"/&gt; &lt;/httpHandlers&gt; &lt;!--Buffer Size Upload--&gt; &lt;httpRuntime maxRequestLength="2097151" executionTimeout="3600"/&gt; &lt;httpModules&gt; &lt;add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/httpModules&gt; &lt;/system.web&gt; &lt;system.codedom&gt; &lt;compilers&gt; &lt;compiler language="c#;cs;csharp" extension=".cs" warningLevel="4" type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"&gt; &lt;providerOption name="CompilerVersion" value="v3.5"/&gt; &lt;providerOption name="WarnAsError" value="false"/&gt; &lt;/compiler&gt; &lt;/compilers&gt; &lt;/system.codedom&gt; &lt;!-- The system.webServer section is required for running ASP.NET AJAX under Internet Information Services 7.0. It is not necessary for previous version of IIS. --&gt; &lt;system.webServer&gt; &lt;security&gt; &lt;requestFiltering&gt; &lt;requestLimits maxAllowedContentLength="52428800"/&gt; &lt;/requestFiltering&gt; &lt;/security&gt; &lt;validation validateIntegratedModeConfiguration="false"/&gt; &lt;modules&gt; &lt;add name="ScriptModule" preCondition="integratedMode" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/modules&gt; &lt;handlers&gt; &lt;remove name="WebServiceHandlerFactory-Integrated"/&gt; &lt;add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/&gt; &lt;/handlers&gt; &lt;/system.webServer&gt; &lt;system.serviceModel&gt; &lt;bindings&gt; &lt;basicHttpBinding&gt; &lt;binding name="basicHttpBinding_IVideoUpload" transferMode="Streamed" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="01:30:00" sendTimeout="01:01:00" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="2147483647" maxBufferSize="2147483647" maxReceivedMessageSize="2147483647" useDefaultWebProxy="true" allowCookies="false"&gt; &lt;readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647"/&gt; &lt;!--&lt;security mode="Transport"&gt; &lt;transport clientCredentialType="Basic"/&gt; &lt;/security&gt;--&gt; &lt;/binding&gt; &lt;/basicHttpBinding&gt; &lt;customBinding&gt; &lt;binding name="Soap12"&gt; &lt;textMessageEncoding messageVersion="Soap12WSAddressing10" /&gt; &lt;httpTransport transferMode="Streamed" maxReceivedMessageSize="67108864"/&gt; &lt;/binding&gt; &lt;/customBinding&gt; &lt;/bindings&gt; &lt;services&gt; &lt;service behaviorConfiguration="UplaodVideoService.VideoUploadBehavior" name="UplaodVideoService.VideoUpload"&gt; &lt;endpoint address="" binding="basicHttpBinding" bindingConfiguration="basicHttpBinding_IVideoUpload" contract="UploadVideoProtocol.IVideoUpload"&gt; &lt;identity&gt; &lt;dns value="localhost"/&gt; &lt;/identity&gt; &lt;/endpoint&gt; &lt;endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/&gt; &lt;/service&gt; &lt;/services&gt; &lt;behaviors&gt; &lt;serviceBehaviors&gt; &lt;behavior name="UplaodVideoService.VideoUploadBehavior"&gt; &lt;serviceMetadata httpGetEnabled="true"/&gt; &lt;serviceDebug includeExceptionDetailInFaults="true"/&gt; &lt;/behavior&gt; &lt;/serviceBehaviors&gt; &lt;/behaviors&gt; &lt;/system.serviceModel&gt; &lt;/configuration&gt; </code></pre>
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