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Editorial Team
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Asked: 2026-05-23T22:02:21+00:00

So I ran into the classic Maximum message size exceeded error with a WCF

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So I ran into the classic “Maximum message size exceeded” error with a WCF service I am working on. Strangely though, setting all the message size settings way up as other posts suggest doesn’t seem to do anything; I still get the same error.

Here is my server config. The client isn’t .net, so there is no client config.

Any ideas?

 <services>
        <service name="MyService" behaviorConfiguration="HTTPMetadataBehavior">
            <endpoint address="http://localhost:2624" binding="webHttpBinding"
              bindingConfiguration="WebHttpSettings" contract="IMyService" />
            <endpoint address="mex"
            binding="mexHttpBinding"
            contract="IMetadataExchange" />
        </service>
    </services>
 <behaviors>
      <serviceBehaviors>
        <behavior name="HTTPMetadataBehavior">
          <serviceMetadata httpGetEnabled="true" httpGetBinding="webHttpBinding"
            httpGetBindingConfiguration="" />            
          <serviceDebug includeExceptionDetailInFaults="true" />          
        </behavior>
      </serviceBehaviors>        
    </behaviors>
      <bindings>
          <webHttpBinding>
              <binding name="WebHttpSettings" maxReceivedMessageSize="2147483647" maxBufferPoolSize="2147483647" maxBufferSize="2147483647">                  
                  <readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647" />
              </binding>
          </webHttpBinding>
      </bindings>
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1 Answer

  1. Editorial Team

    Okay this fix won’t work for everyone, but for me I made my configuration the default for webHttp by omitting the name and that worked. Here is the revised config.

     <services>
        <service name="MyService" behaviorConfiguration="HTTPMetadataBehavior">
            <endpoint address="http://localhost:2624" binding="webHttpBinding"
              bindingConfiguration="" contract="IMyService" />
        </service>
    </services>
 <behaviors>
      <serviceBehaviors>
        <behavior name="HTTPMetadataBehavior">
          <serviceMetadata httpGetEnabled="true" httpGetBinding="webHttpBinding"
            httpGetBindingConfiguration="" />            
          <serviceDebug includeExceptionDetailInFaults="true" />          
        </behavior>
      </serviceBehaviors>        
    </behaviors>
      <bindings>
          <webHttpBinding>
              <binding name="" maxReceivedMessageSize="2147483647" maxBufferPoolSize="2147483647" maxBufferSize="2147483647">                  
                  <readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647" />
              </binding>
          </webHttpBinding>
      </bindings>
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