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    <p>Maybe the MaxArrayLength isn't the right property to set.</p> <p>Try "maxBufferSize" and "MaxBufferPoolSize":</p> <pre><code>&lt;bindings&gt; &lt;netTcpBinding&gt; &lt;binding name="unsecureNetTcpBinding" maxBufferSize="2147483647" maxBufferPoolSize="2147483647" maxReceivedMessageSize="2147483647"&gt; &lt;readerQuotas maxArrayLength="1000000" /&gt; &lt;security mode="None" /&gt; &lt;/binding&gt; &lt;/netTcpBinding&gt; &lt;/bindings&gt; </code></pre> <p>But the real question is: if you have large amounts of data, why aren't you making use of <a href="http://msdn.microsoft.com/en-us/library/ms731913.aspx" rel="nofollow noreferrer">WCF streaming</a>?? That's exactly what it's designed for.</p> <p><a href="http://www.haveyougotwoods.com/archive/2008/04/14/wcf-message-streaming.aspx" rel="nofollow noreferrer">http://www.haveyougotwoods.com/archive/2008/04/14/wcf-message-streaming.aspx</a></p> <p>The maxBufferSize etc. sizes are set to a fairly small value on purpose - to avoid denial of service attacks. Just cranking those up to MaxInt levels makes your server vulnerable to these DOS attacks.</p> <p><strong>UPDATE:</strong><br> Try doing this: - create a new console app - add references to <code>System.Runtime.Serialization</code> and <code>System.ServiceModel</code> - add an app.config which contains exactly what your client side config contains - put these lines of code in your console app:</p> <pre><code> class Program { static void Main(string[] args) { NetTcpBinding binding = new NetTcpBinding("unsecureNetTcpBinding"); int maxArrayLength = binding.ReaderQuotas.MaxArrayLength; long maxReceivedMessageSize = binding.MaxReceivedMessageSize; } } </code></pre> <ul> <li>run and debug - what values do you get?? I get exactly what you've entered: "1000000" for <code>binding.ReaderQuotas.MaxArrayLength</code>, "2147483647" for binding.MaxReceivedMessageSize.</li> </ul> <p>WCF does recognize and use those settings from config - 120% guaranteed. There must be something else fishy going on in your app.....</p>
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    1. POHow to ensure that the WCF ChannelFactory uses Binding settings in xml configuration (MaxArrayLength is ignored)
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    1. COI have tried setting maxBufferSize, maxBufferPoolSize & maxReceivedMessageSize but these don't work via the config either. Just to reiterate, I can fix this issue via code with maxArrayLength, but I want to know how to do it via config, cheers
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    2. COI am setting maxBufferSize and MaxArrayLength in config - no problem. There must be something else happening in your case.....
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