Index: src/main/java/org/glassfish/admingui/common/util/RestUtil.java
===================================================================
--- src/main/java/org/glassfish/admingui/common/util/RestUtil.java	(revision 62446)
+++ src/main/java/org/glassfish/admingui/common/util/RestUtil.java	(working copy)
@@ -554,6 +554,9 @@
             } else {
                 //formData.putSingle(key, (value != null) ? value.toString() : value);
                 try {
+                    //ignore the value of availabilityEnabled as it is useless
+                    if (key.equals("availabilityEnabled"))
+                        continue;
                     formData.putSingle(key, value);
                 } catch (ClassCastException ex) {
                     Logger logger = GuiUtil.getLogger();