diff --git a/src/sunstone/public/app/utils/vcenter/datastores.js b/src/sunstone/public/app/utils/vcenter/datastores.js
index 14f9172d98..956d25f3f2 100644
--- a/src/sunstone/public/app/utils/vcenter/datastores.js
+++ b/src/sunstone/public/app/utils/vcenter/datastores.js
@@ -180,7 +180,11 @@ define(function(require) {
         $("#get-vcenter-ds").click();
       },
       error: function (request, error_json) {
-        Notifier.notifyError(request.responseJSON.error.message);
+        if (request.responseJSON === undefined){
+          Notifier.notifyError("Empty response received from server. Check your setup to avoid timeouts");
+        } else {
+          Notifier.notifyError(request.responseJSON.error.message);
+        }
         $("#get-vcenter-ds").click();
       }
     });
diff --git a/src/sunstone/public/app/utils/vcenter/images.js b/src/sunstone/public/app/utils/vcenter/images.js
index 6b9b784dee..a85ed432fc 100644
--- a/src/sunstone/public/app/utils/vcenter/images.js
+++ b/src/sunstone/public/app/utils/vcenter/images.js
@@ -176,7 +176,11 @@ define(function(require) {
         $("#get-vcenter-images").click();
       },
       error: function (request, error_json) {
-        Notifier.notifyError(request.responseJSON.error.message);
+        if (request.responseJSON === undefined){
+          Notifier.notifyError("Empty response received from server. Check your setup to avoid timeouts");
+        } else {
+          Notifier.notifyError(request.responseJSON.error.message);
+        }
         $("#get-vcenter-images").click();
       }
     });
diff --git a/src/sunstone/public/app/utils/vcenter/networks.js b/src/sunstone/public/app/utils/vcenter/networks.js
index bf7d35aaec..15a2eaa26f 100644
--- a/src/sunstone/public/app/utils/vcenter/networks.js
+++ b/src/sunstone/public/app/utils/vcenter/networks.js
@@ -302,7 +302,11 @@ define(function(require) {
         $("#get-vcenter-networks").click();
       },
       error: function(request, error_json){
-        Notifier.notifyError(request.responseJSON.error.message);
+        if (request.responseJSON === undefined){
+          Notifier.notifyError("Empty response received from server. Check your setup to avoid timeouts");
+        } else {
+          Notifier.notifyError(request.responseJSON.error.message);
+        }
         $("#get-vcenter-networks").click();
       }
     });
diff --git a/src/sunstone/public/app/utils/vcenter/templates.js b/src/sunstone/public/app/utils/vcenter/templates.js
index d1f541a56e..c9cc1391a5 100644
--- a/src/sunstone/public/app/utils/vcenter/templates.js
+++ b/src/sunstone/public/app/utils/vcenter/templates.js
@@ -250,7 +250,11 @@ define(function(require) {
         $("#get-vcenter-templates").click();
       },
       error: function(request, error_json){
-        Notifier.notifyError(request.responseJSON.error.message);
+        if (request.responseJSON === undefined){
+          Notifier.notifyError("Empty response received from server. Check your setup to avoid timeouts");
+        } else {
+          Notifier.notifyError(request.responseJSON.error.message);
+        }
         $("#get-vcenter-templates").click();
       }
     });