diff --git a/src/main/java/org/gcube/portlets/admin/manageusers/server/ManageUsersServiceImpl.java b/src/main/java/org/gcube/portlets/admin/manageusers/server/ManageUsersServiceImpl.java
index 0ec23f3..6ba9d1f 100644
--- a/src/main/java/org/gcube/portlets/admin/manageusers/server/ManageUsersServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/admin/manageusers/server/ManageUsersServiceImpl.java
@@ -5,7 +5,6 @@ import java.util.List;
 
 import javax.servlet.http.HttpServletRequest;
 
-
 import org.gcube.applicationsupportlayer.social.ApplicationNotificationsManager;
 import org.gcube.applicationsupportlayer.social.NotificationsManager;
 import org.gcube.applicationsupportlayer.social.shared.SocialNetworkingSite;
@@ -15,16 +14,12 @@ import org.gcube.common.homelibrary.home.workspace.Workspace;
 import org.gcube.common.portal.PortalContext;
 import org.gcube.common.scope.impl.ScopeBean;
 import org.gcube.common.scope.impl.ScopeBean.Type;
-import org.gcube.portal.custom.communitymanager.SiteManagerUtil;
 import org.gcube.portal.custom.scopemanager.scopehelper.ScopeHelper;
 import org.gcube.portal.notifications.bean.GenericItemBean;
 import org.gcube.portal.notifications.thread.MessageNotificationsThread;
 import org.gcube.portlets.admin.manageusers.client.ManageUsersService;
 import org.gcube.portlets.admin.manageusers.shared.PortalUserDTO;
-import org.gcube.vomanagement.usermanagement.GroupManager;
 import org.gcube.vomanagement.usermanagement.UserManager;
-import org.gcube.vomanagement.usermanagement.exception.GroupRetrievalFault;
-import org.gcube.vomanagement.usermanagement.exception.UserManagementSystemException;
 import org.gcube.vomanagement.usermanagement.impl.LiferayGroupManager;
 import org.gcube.vomanagement.usermanagement.impl.LiferayUserManager;
 import org.gcube.vomanagement.usermanagement.model.GCubeUser;
@@ -102,8 +97,6 @@ public class ManageUsersServiceImpl extends RemoteServiceServlet implements Mana
 	 * 
 	 * @param request
 	 * @return the current Group instance based on the request
-	 * @throws PortalException
-	 * @throws SystemException
 	 */
 	private Group getSiteFromServletRequest(final HttpServletRequest request) throws Exception {
 		String serverName = request.getServerName();
@@ -145,7 +138,7 @@ public class ManageUsersServiceImpl extends RemoteServiceServlet implements Mana
 			//List<GCubeUser> notBelongingUsers = userM.listUnregisteredUsersByGroup(getCurrentGroupID());
 			long currSiteGroupId = getSiteFromServletRequest(getThreadLocalRequest()).getGroupId();
 			UserManager userM = new LiferayUserManager();
-			List<GCubeUser> nonBelongingUsers = userM.listUsersByGroup(currSiteGroupId); //the users of i-marine or services etc
+			List<GCubeUser> nonBelongingUsers = userM.listUsersByGroup(currSiteGroupId, false); //the users of i-marine or services etc
 			nonBelongingUsers.removeAll(userM.listUsersByGroup(pContext.getCurrentGroupId(getThreadLocalRequest())));
 			
 			for (GCubeUser u : nonBelongingUsers) {