diff --git a/Service.EDMIService/App.config b/Service.EDMIService/App.config
index c72e7240..051f0ecb 100644
--- a/Service.EDMIService/App.config
+++ b/Service.EDMIService/App.config
@@ -45,16 +45,16 @@
         <binding name="tcpBinding" 
                  sendTimeout="00:10:00"
                  transferMode="Buffered" 
-                 maxBufferSize="10000000"
-                 maxBufferPoolSize="40000000"
-                 maxReceivedMessageSize="1000000000">
+                 maxBufferSize="2147483647"
+                 maxBufferPoolSize="2147483647"
+                 maxReceivedMessageSize="2147483647">
           <readerQuotas       
             maxDepth="32" 
             maxStringContentLength="2147483647" 
             maxArrayLength="2147483647" 
             maxBytesPerRead="2147483647" 
             maxNameTableCharCount="2147483647"/>
-          <security mode="None">
+          <security mode="Transport">
             <transport clientCredentialType="Windows"/>
           </security>
         </binding>