WCF rest message size settings from windows service

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C#5.0

REST

WCFServices

Hi All,
I have a wcf rest web service hosted client as windows service. To upload images i did following modifications in wcf webconfig file

<system.serviceModel>
    <bindings>
      <webHttpBinding>
        <binding
          maxBufferPoolSize="2147483647" maxReceivedMessageSize="2147483647" maxBufferSize="2147483647" transferMode="Streamed">
          <readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647"
             maxArrayLength="2147483647" maxBytesPerRead="2147483647"
             maxNameTableCharCount="2147483647" />
        </binding>
      </webHttpBinding>
    </bindings>
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />
    <services>
      <service behaviorConfiguration="" name="WCFWeb.Service1">
        <host>
          <baseAddresses>
            <add baseAddress="http://localhost:63230/service1.svc/"/>
          </baseAddresses>
        </host>
        <endpoint address="" behaviorConfiguration="webBehavior" binding="webHttpBinding" contract="WCFWeb.IService1" />
        <endpoint contract="IMetadataExchange" binding="mexHttpBinding" address="mex" />
      </service>
    </services>
    <behaviors>
      <endpointBehaviors>
        <behavior name="webBehavior">
          <webHttp helpEnabled="true" />
        </behavior>
      </endpointBehaviors>
      <serviceBehaviors>
        <behavior name="Default">
          <serviceMetadata httpGetEnabled="true" />
        </behavior>
        <behavior name="">
          <serviceMetadata httpGetEnabled="true" />
          <serviceDebug includeExceptionDetailInFaults="false" />
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <protocolMapping>
      <add binding="basicHttpsBinding" scheme="https" />
    </protocolMapping>

  </system.serviceModel>

But the binding are not working when i hosted as windows service.
Here is the c# code
Uri httpUrl = new Uri(ConfigurationManager.AppSettings["BaseUrl"]);
WebServiceHost host = new WebServiceHost(typeof(WCFWeb.Service1), httpUrl);

ServiceMetadataBehavior mBehave = new ServiceMetadataBehavior();
host.Description.Behaviors.Add(mBehave);
WebHttpBinding httpBinding = new WebHttpBinding();
httpBinding.MaxBufferPoolSize = 2147483647;
httpBinding.MaxReceivedMessageSize = 2147483647;
httpBinding.MaxBufferSize = 2147483647;
httpBinding.TransferMode = TransferMode.Streamed;
httpBinding.ReaderQuotas.MaxDepth = 2147483647;
httpBinding.ReaderQuotas.MaxStringContentLength = 2147483647;
httpBinding.ReaderQuotas.MaxArrayLength = 2147483647;
httpBinding.ReaderQuotas.MaxBytesPerRead = 2147483647;
httpBinding.ReaderQuotas.MaxNameTableCharCount = 2147483647;
host.AddServiceEndpoint(typeof(WCFWeb.Service1), httpBinding, httpUrl);
host.Open();

When i apply code AddServiceEndpoint all my services become down. Kindly hepl me