diff --git a/src/sunstone/etc/sunstone-views/admin.yaml b/src/sunstone/etc/sunstone-views/admin.yaml
index 4d4fc77898..3f6286503c 100644
--- a/src/sunstone/etc/sunstone-views/admin.yaml
+++ b/src/sunstone/etc/sunstone-views/admin.yaml
@@ -54,6 +54,8 @@ tabs:
             User.update_password: true
             User.quotas_dialog: true
             User.chgrp: true
+            User.addgroup: true
+            User.delgroup: true
             User.chauth: true
             User.delete: true
     groups-tab:
diff --git a/src/sunstone/etc/sunstone-views/cloud.yaml b/src/sunstone/etc/sunstone-views/cloud.yaml
index 1e5bf5b7f0..7f43dfd8d1 100644
--- a/src/sunstone/etc/sunstone-views/cloud.yaml
+++ b/src/sunstone/etc/sunstone-views/cloud.yaml
@@ -55,6 +55,8 @@ tabs:
             User.update_password: true
             User.quotas_dialog: true
             User.chgrp: true
+            User.addgroup: true
+            User.delgroup: true
             User.chauth: true
             User.delete: true
     groups-tab:
diff --git a/src/sunstone/etc/sunstone-views/user.yaml b/src/sunstone/etc/sunstone-views/user.yaml
index f3c5175274..e6dd473d01 100644
--- a/src/sunstone/etc/sunstone-views/user.yaml
+++ b/src/sunstone/etc/sunstone-views/user.yaml
@@ -55,6 +55,8 @@ tabs:
             User.update_password: true
             User.quotas_dialog: true
             User.chgrp: true
+            User.addgroup: true
+            User.delgroup: true
             User.chauth: true
             User.delete: true
     groups-tab:
diff --git a/src/sunstone/etc/sunstone-views/vdcadmin.yaml b/src/sunstone/etc/sunstone-views/vdcadmin.yaml
index dccafc9e96..3fea87e030 100644
--- a/src/sunstone/etc/sunstone-views/vdcadmin.yaml
+++ b/src/sunstone/etc/sunstone-views/vdcadmin.yaml
@@ -55,6 +55,8 @@ tabs:
             User.update_password: true
             User.quotas_dialog: true
             User.chgrp: true
+            User.addgroup: true
+            User.delgroup: true
             User.chauth: true
             User.delete: true
     groups-tab:
diff --git a/src/sunstone/public/js/opennebula.js b/src/sunstone/public/js/opennebula.js
index 878e005170..bfab475816 100644
--- a/src/sunstone/public/js/opennebula.js
+++ b/src/sunstone/public/js/opennebula.js
@@ -936,18 +936,17 @@ var OpenNebula = {
         "set_quota" : function(params){
             var action_obj = { quotas :  params.data.extra_param };
             OpenNebula.Action.simple_action(params,OpenNebula.User.resource,"set_quota",action_obj);
+        },
+        "addgroup" : function(params){
+            var action_obj = {"group_id": params.data.extra_param };
+            OpenNebula.Action.simple_action(params,OpenNebula.User.resource,
+                                            "addgroup",action_obj);
+        },
+        "delgroup" : function(params){
+            var action_obj = {"group_id": params.data.extra_param };
+            OpenNebula.Action.simple_action(params,OpenNebula.User.resource,
+                                            "delgroup",action_obj);
         }
-
-        // "addgroup" : function(params){
-        //     var action_obj = {"group_id": params.data.extra_param };
-        //     OpenNebula.Action.simple_action(params,OpenNebula.User.resource,
-        //                                     "addgroup",action_obj);
-        // },
-        // "delgroup" : function(params){
-        //     var action_obj = {"group_id": params.data.extra_param };
-        //     OpenNebula.Action.simple_action(params,OpenNebula.User.resource,
-        //                                     "delgroup",action_obj);
-        // }
     },
 
     "Image": {
diff --git a/src/sunstone/public/js/plugins/users-tab.js b/src/sunstone/public/js/plugins/users-tab.js
index cac9a55453..8fdf5ea272 100644
--- a/src/sunstone/public/js/plugins/users-tab.js
+++ b/src/sunstone/public/js/plugins/users-tab.js
@@ -427,7 +427,26 @@ var user_actions = {
         error: onError,
         notify: true
     },
-
+    "User.addgroup" : {
+        type: "multiple",
+        call: OpenNebula.User.addgroup,
+        callback : function(req){
+            Sunstone.runAction("User.show",req.request.data[0][0]);
+        },
+        elements : userElements,
+        error: onError,
+        notify: true
+    },
+    "User.delgroup" : {
+        type: "multiple",
+        call: OpenNebula.User.delgroup,
+        callback : function(req){
+            Sunstone.runAction("User.show",req.request.data[0][0]);
+        },
+        elements : userElements,
+        error: onError,
+        notify: true
+    },
     "User.change_authentication" : {
         type: "custom",
         call: popUpChangeAuthenticationDialog
@@ -561,6 +580,22 @@ var user_buttons = {
         tip: tr("This will change the main group of the selected users. Select the new group")+":",
         condition: mustBeAdmin
     },
+    "User.addgroup" : {
+        type: "confirm_with_select",
+        text: tr("Add to group"),
+        layout: "user_select",
+        select: groups_sel,
+        tip: tr("This will add the user to a secondary group. Select the new group")+":",
+        condition: mustBeAdmin
+    },
+    "User.delgroup" : {
+        type: "confirm_with_select",
+        text: tr("Remove from group"),
+        layout: "user_select",
+        select: groups_sel,
+        tip: tr("This will remove the user from a secondary group. Select the group")+":",
+        condition: mustBeAdmin
+    },
     "User.delete" : {
         type: "confirm",
         text: tr("Delete"),
@@ -722,6 +757,11 @@ function updateUserInfo(request,user){
             <tr>' +
                 insert_group_dropdown("User",info.ID,info.GNAME,info.GID) +
             '</tr>\
+            <tr>\
+                <td class="key_td">' + tr("Secondary groups") + '</td>\
+                <td class="value_td">'+(typeof info.GROUPS.ID == "object" ? info.GROUPS.ID.join(",") : "-")+'</td>\
+                <td></td>\
+            </tr>\
             <tr>\
                 <td class="key_td">' + tr("Authentication driver") + '</td>\
                 <td class="value_td">'+info.AUTH_DRIVER+'</td>\