As per this question’s answer
You will want something like this:
<bindings> <basicHttpBinding> <binding name="basicHttp" allowCookies="true" maxReceivedMessageSize="20000000" maxBufferSize="20000000" maxBufferPoolSize="20000000"> <readerQuotas maxDepth="32" maxArrayLength="200000000" maxStringContentLength="200000000"/> </binding> </basicHttpBinding> </bindings>
Please also read comments to the accepted answer there, those contain valuable input.