diff -r 361b81082ca6 glassfish.common/src/org/netbeans/modules/glassfish/common/GlassfishInstance.java
--- a/glassfish.common/src/org/netbeans/modules/glassfish/common/GlassfishInstance.java	Mon Jan 13 16:05:01 2014 +0100
+++ b/glassfish.common/src/org/netbeans/modules/glassfish/common/GlassfishInstance.java	Mon Jan 13 21:55:16 2014 +0100
@@ -655,9 +655,9 @@
             FileObject[] instanceFOs = dir.getChildren();
             FileObject instanceFO = null;
 
-            for(int i = 0; i < instanceFOs.length; i++) {
-                if(url.equals(instanceFOs[i]
-                        .getAttribute(GlassfishModule.URL_ATTR))) {
+            for (int i = 0; i < instanceFOs.length; i++) {
+                if (url.equals(instanceFOs[i].getAttribute(GlassfishModule.URL_ATTR))
+                        && !GlassfishInstanceProvider.GLASSFISH_AUTOREGISTERED_INSTANCE.equals(instanceFOs[i].getName())) {
                     instanceFO = instanceFOs[i];
                 }
             }