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POWCF Client fails to connect to NetTcpBinding Endpoint
 

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  1. POWCF Client fails to connect to NetTcpBinding Endpoint
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    <p>I am having issues getting a connection to a NetTcpBinding up and running. I was able to get an Http binding and a Named Pipe binding working however Tcp is giving me a large amount of trouble. I have tried many different things thus far but none have worked.</p> <p>I have read that the issue might be in the max buffer size for the client binding and I upped the maxBufferPoolSize, maxBufferSize, and maxReceivedMessageSize to their maximum. That had no effect. I have read the issue may be port sharing so I enabled port sharing on my machine but that had no effect either. I also disabled the firewall on the machine but that too didn't change anything.</p> <p>The exact error I am getting is:</p> <blockquote> <p>CommunicationException </p> <p>The socket connection was aborted. This could be caused by an error processing your message or a receive timeout being exceeded by the remote host, or an underlying network resource issue. Local socket timeout was '00:00:59.8127832'.</p> </blockquote> <p>From what I have read this is a sort of blanket exception when WCF doesn't exactly know what went wrong.</p> <p>I am at a loss as to what I should attempt next. I hope you can help. </p> <p>Here is the server configuration</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt; &lt;configuration&gt; &lt;configSections&gt; &lt;sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" &gt; &lt;section name="DummyServer.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" /&gt; &lt;/sectionGroup&gt; &lt;/configSections&gt; &lt;system.serviceModel&gt; &lt;behaviors&gt; &lt;serviceBehaviors&gt; &lt;behavior name="MetaDataBehavior"&gt; &lt;serviceMetadata/&gt; &lt;serviceDebug /&gt; &lt;/behavior&gt; &lt;/serviceBehaviors&gt; &lt;/behaviors&gt; &lt;services&gt; &lt;service behaviorConfiguration="MetaDataBehavior" name="DummyServiceLibrary.DummyServiceA"&gt; &lt;endpoint binding="basicHttpBinding" contract="DummyServiceLibrary.IDummyService" /&gt; &lt;endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /&gt; &lt;endpoint binding="netTcpBinding" contract="DummyServiceLibrary.IDummyService" /&gt; &lt;host&gt; &lt;baseAddresses&gt; &lt;add baseAddress="http://localhost:8080/dummy" /&gt; &lt;add baseAddress="net.tcp://localhost:8523/dummy" /&gt; &lt;/baseAddresses&gt; &lt;/host&gt; &lt;/service&gt; &lt;/services&gt; &lt;/system.serviceModel&gt; &lt;applicationSettings&gt; &lt;DummyServer.Properties.Settings&gt; &lt;setting name="ServiceType" serializeAs="String"&gt; &lt;value&gt;A&lt;/value&gt; &lt;/setting&gt; &lt;/DummyServer.Properties.Settings&gt; &lt;/applicationSettings&gt; &lt;/configuration&gt; </code></pre> <p>Here is the client configuration</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt; &lt;configuration&gt; &lt;configSections&gt; &lt;sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" &gt; &lt;section name="DummyClient.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" /&gt; &lt;/sectionGroup&gt; &lt;/configSections&gt; &lt;system.serviceModel&gt; &lt;bindings&gt; &lt;basicHttpBinding&gt; &lt;binding name="BasicHttpBinding_IDummyService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered" useDefaultWebProxy="true"&gt; &lt;readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /&gt; &lt;security mode="None"&gt; &lt;transport clientCredentialType="None" proxyCredentialType="None" realm="" /&gt; &lt;message clientCredentialType="UserName" algorithmSuite="Default" /&gt; &lt;/security&gt; &lt;/binding&gt; &lt;/basicHttpBinding&gt; &lt;netTcpBinding&gt; &lt;binding name="NetTcpBinding_IDummyService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" transactionFlow="false" transferMode="Buffered" transactionProtocol="OleTransactions" hostNameComparisonMode="StrongWildcard" listenBacklog="10" maxBufferPoolSize="2147483647" maxBufferSize="2147483647" maxConnections="10" maxReceivedMessageSize="2147483647"&gt; &lt;readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /&gt; &lt;security mode="None" /&gt; &lt;/binding&gt; &lt;/netTcpBinding&gt; &lt;/bindings&gt; &lt;client&gt; &lt;endpoint address="http://localhost:8080/dummy" binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IDummyService" contract="DummyService.IDummyService" name="BasicHttpBinding_IDummyService" /&gt; &lt;endpoint address="net.tcp://localhost:8523/dummy" binding="netTcpBinding" bindingConfiguration="NetTcpBinding_IDummyService" contract="DummyService.IDummyService" name="NetTcpBinding_IDummyService" /&gt; &lt;/client&gt; &lt;/system.serviceModel&gt; &lt;applicationSettings&gt; &lt;DummyClient.Properties.Settings&gt; &lt;setting name="ClientEndPoint" serializeAs="String"&gt; &lt;value&gt;NetTcpBinding_IDummyService&lt;/value&gt; &lt;/setting&gt; &lt;/DummyClient.Properties.Settings&gt; &lt;/applicationSettings&gt; &lt;/configuration&gt; </code></pre> <p>I hope you are able to find what I have been unable to.</p> <p><strong>Edit #1</strong> I have been able to get the TCP end point up and running by defining a DNS.</p> <p>Here is the new server endpoint definition.</p> <pre><code> &lt;endpoint binding="netTcpBinding" contract="DummyServiceLibrary.IDummyService"&gt; &lt;identity&gt; &lt;dns value="localhost"/&gt; &lt;/identity&gt; &lt;/endpoint&gt; </code></pre> <p>Here is the new client binding definition and client endpoint definition.</p> <pre><code> &lt;netTcpBinding&gt; &lt;binding name="NetTcpBinding_IDummyService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" transactionFlow="false" transferMode="Buffered" transactionProtocol="OleTransactions" hostNameComparisonMode="StrongWildcard" listenBacklog="10" maxBufferPoolSize="524288" maxBufferSize="65536" maxConnections="10" maxReceivedMessageSize="65536"&gt; &lt;readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /&gt; &lt;reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" /&gt; &lt;security mode="Transport"&gt; &lt;transport clientCredentialType="Windows" protectionLevel="EncryptAndSign" /&gt; &lt;message clientCredentialType="Windows" /&gt; &lt;/security&gt; &lt;/binding&gt; &lt;/netTcpBinding&gt; &lt;endpoint address="net.tcp://localhost:8523/dummy" binding="netTcpBinding" bindingConfiguration="NetTcpBinding_IDummyService" contract="DummyService.IDummyService" name="NetTcpBinding_IDummyService"&gt; &lt;identity&gt; &lt;dns value="localhost" /&gt; &lt;/identity&gt; &lt;/endpoint&gt; </code></pre>
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      1. VTUpMod
    1. COAre you using .Net 3.5 or .Net 4.0 ? It is important becasue there are "Default" WCF config settings that were added 4.0 that had to be explictly set in 3.5.
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    2. COCan you supply a code fragment of how you are creating and opening your service client ?
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    3. COI solved the issue but don't understand how doing so solved it. I am using .NET 4.0. `DummyServiceClient client = new DummyServiceClient(Properties.Settings.Default.ClientEndPoint); client.Open();`
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