diff --git a/xCAT-server/share/xcat/install/sles/service.sles11.tmpl b/xCAT-server/share/xcat/install/sles/service.sles11.tmpl
index f6dea6e3e..fdcaffa8d 100644
--- a/xCAT-server/share/xcat/install/sles/service.sles11.tmpl
+++ b/xCAT-server/share/xcat/install/sles/service.sles11.tmpl
@@ -28,7 +28,18 @@
       <mouse>
         <id>non</id>
       </mouse>
+      <signature-handling>
+         <accept_non_trusted_gpg_key config:type="boolean">true</accept_non_trusted_gpg_key>
+         <accept_unknown_gpg_key config:type="boolean">true</accept_unknown_gpg_key>
+         <accept_unsigned_file config:type="boolean">true</accept_unsigned_file>
+      </signature-handling>
+
     </general>
+    <add-on>
+       <add_on_products config:type="list">
+           #INSTALL_SOURCES#
+       </add_on_products>
+    </add-on>
     <partitioning config:type="list">
       <!-- XCAT-PARTITION-START -->
       <drive>