diff --git a/SampleApplications/Samples/Client.Net4/Opc.Ua.SampleClient.Config.xml b/SampleApplications/Samples/Client.Net4/Opc.Ua.SampleClient.Config.xml
index 3f366d10d6..8a6423acc8 100644
--- a/SampleApplications/Samples/Client.Net4/Opc.Ua.SampleClient.Config.xml
+++ b/SampleApplications/Samples/Client.Net4/Opc.Ua.SampleClient.Config.xml
@@ -174,11 +174,11 @@
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#Basic256</SecurityPolicyUri>
         <SecurityLevel>2</SecurityLevel>
       </ServerSecurityPolicy>
-      <ServerSecurityPolicy>
+      <!--<ServerSecurityPolicy>
         <SecurityMode>None_1</SecurityMode>
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#None</SecurityPolicyUri>
         <SecurityLevel>0</SecurityLevel>
-      </ServerSecurityPolicy>
+      </ServerSecurityPolicy>-->
       <ServerSecurityPolicy>
         <SecurityMode>Sign_2</SecurityMode>
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#Basic128Rsa15</SecurityPolicyUri>
diff --git a/SampleApplications/Samples/Client/Opc.Ua.SampleClient.Config.xml b/SampleApplications/Samples/Client/Opc.Ua.SampleClient.Config.xml
index ef2467533f..fb33918e98 100644
--- a/SampleApplications/Samples/Client/Opc.Ua.SampleClient.Config.xml
+++ b/SampleApplications/Samples/Client/Opc.Ua.SampleClient.Config.xml
@@ -173,11 +173,11 @@
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#Basic256</SecurityPolicyUri>
         <SecurityLevel>2</SecurityLevel>
       </ServerSecurityPolicy>
-      <ServerSecurityPolicy>
+      <!--<ServerSecurityPolicy>
         <SecurityMode>None_1</SecurityMode>
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#None</SecurityPolicyUri>
         <SecurityLevel>0</SecurityLevel>
-      </ServerSecurityPolicy>
+      </ServerSecurityPolicy>-->
       <ServerSecurityPolicy>
         <SecurityMode>Sign_2</SecurityMode>
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#Basic128Rsa15</SecurityPolicyUri>
diff --git a/SampleApplications/Samples/NetCoreConsoleServer/Opc.Ua.SampleServer.Config.xml b/SampleApplications/Samples/NetCoreConsoleServer/Opc.Ua.SampleServer.Config.xml
index b185c3cfa4..fc1c5bc99e 100644
--- a/SampleApplications/Samples/NetCoreConsoleServer/Opc.Ua.SampleServer.Config.xml
+++ b/SampleApplications/Samples/NetCoreConsoleServer/Opc.Ua.SampleServer.Config.xml
@@ -89,11 +89,11 @@
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#Basic256</SecurityPolicyUri>
         <SecurityLevel>2</SecurityLevel>
       </ServerSecurityPolicy>
-      <ServerSecurityPolicy>
+      <!--<ServerSecurityPolicy>
         <SecurityMode>None_1</SecurityMode>
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#None</SecurityPolicyUri>
         <SecurityLevel>0</SecurityLevel>
-      </ServerSecurityPolicy>
+      </ServerSecurityPolicy>-->
       <ServerSecurityPolicy>
         <SecurityMode>Sign_2</SecurityMode>
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#Basic128Rsa15</SecurityPolicyUri>
diff --git a/SampleApplications/Samples/Server.Net4/Opc.Ua.SampleServer.Config.xml b/SampleApplications/Samples/Server.Net4/Opc.Ua.SampleServer.Config.xml
index 32e87403b0..abeac5a5aa 100644
--- a/SampleApplications/Samples/Server.Net4/Opc.Ua.SampleServer.Config.xml
+++ b/SampleApplications/Samples/Server.Net4/Opc.Ua.SampleServer.Config.xml
@@ -86,11 +86,11 @@
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#Basic256</SecurityPolicyUri>
         <SecurityLevel>2</SecurityLevel>
       </ServerSecurityPolicy>
-      <ServerSecurityPolicy>
+      <!--<ServerSecurityPolicy>
         <SecurityMode>None_1</SecurityMode>
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#None</SecurityPolicyUri>
         <SecurityLevel>0</SecurityLevel>
-      </ServerSecurityPolicy>
+      </ServerSecurityPolicy>-->
       <ServerSecurityPolicy>
         <SecurityMode>Sign_2</SecurityMode>
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#Basic128Rsa15</SecurityPolicyUri>
diff --git a/SampleApplications/Samples/Server/Opc.Ua.SampleServer.Config.xml b/SampleApplications/Samples/Server/Opc.Ua.SampleServer.Config.xml
index 5a83c82143..7494d5d133 100644
--- a/SampleApplications/Samples/Server/Opc.Ua.SampleServer.Config.xml
+++ b/SampleApplications/Samples/Server/Opc.Ua.SampleServer.Config.xml
@@ -85,11 +85,11 @@
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#Basic256</SecurityPolicyUri>
         <SecurityLevel>2</SecurityLevel>
       </ServerSecurityPolicy>
-      <ServerSecurityPolicy>
+      <!--<ServerSecurityPolicy>
         <SecurityMode>None_1</SecurityMode>
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#None</SecurityPolicyUri>
         <SecurityLevel>0</SecurityLevel>
-      </ServerSecurityPolicy>
+      </ServerSecurityPolicy>-->
       <ServerSecurityPolicy>
         <SecurityMode>Sign_2</SecurityMode>
         <SecurityPolicyUri>http://opcfoundation.org/UA/SecurityPolicy#Basic128Rsa15</SecurityPolicyUri>