diff --git a/src/components/app.js b/src/components/app.js
index 6bd138546..c15d90d29 100644
--- a/src/components/app.js
+++ b/src/components/app.js
@@ -28,6 +28,7 @@ import {
     CardErrorBoundary,
     getPreLoginPath,
     initializeAuthenticationProd,
+    useAnnouncementsSubscriber,
 } from '@gridsuite/commons-ui';
 
 import { useMatch } from 'react-router-dom';
@@ -39,6 +40,8 @@ import {
     fetchConfigParameter,
     fetchConfigParameters,
     fetchValidateUser,
+    getAnnouncementsWsUrl,
+    getToken,
 } from '../utils/rest-api';
 import {
     APP_NAME,
@@ -79,6 +82,8 @@ const App = () => {
 
     const location = useLocation();
 
+    useAnnouncementsSubscriber(getAnnouncementsWsUrl(), getToken());
+
     const updateParams = useCallback(
         (params) => {
             console.debug('received UI parameters : ', params);
diff --git a/src/utils/rest-api.js b/src/utils/rest-api.js
index 8a864e351..39a9cffbc 100644
--- a/src/utils/rest-api.js
+++ b/src/utils/rest-api.js
@@ -30,9 +30,9 @@ const PREFIX_FILTERS_QUERIES =
     process.env.REACT_APP_API_GATEWAY + '/filter/v1/filters';
 const PREFIX_STUDY_QUERIES = process.env.REACT_APP_API_GATEWAY + '/study';
 
-function getToken() {
+export function getToken() {
     const state = store.getState();
-    return state.user.id_token;
+    return state.user?.id_token;
 }
 
 export const getRequestParamFromList = (params, paramName) => {
@@ -41,10 +41,18 @@ export const getRequestParamFromList = (params, paramName) => {
     );
 };
 
+export const getWsBase = () =>
+  document.baseURI
+    .replace(/^http:\/\//, 'ws://')
+    .replace(/^https:\/\//, 'wss://');
+
+export function getAnnouncementsWsUrl() {
+    const webSocketBaseUrl = getWsBase();
+    return webSocketBaseUrl + PREFIX_CONFIG_NOTIFICATION_WS + '/global';
+}
+
 export function connectNotificationsWsUpdateConfig() {
-    const webSocketBaseUrl = document.baseURI
-        .replace(/^http:\/\//, 'ws://')
-        .replace(/^https:\/\//, 'wss://');
+    const webSocketBaseUrl = getWsBase()
     const webSocketUrl =
         webSocketBaseUrl +
         PREFIX_CONFIG_NOTIFICATION_WS +
@@ -798,9 +806,7 @@ export function newScriptFromFiltersContingencyList(
  * @returns {ReconnectingWebSocket}
  */
 export function connectNotificationsWsUpdateDirectories() {
-    const webSocketBaseUrl = document.baseURI
-        .replace(/^http:\/\//, 'ws://')
-        .replace(/^https:\/\//, 'wss://');
+    const webSocketBaseUrl = getWsBase()
     const webSocketUrl =
         webSocketBaseUrl +
         PREFIX_NOTIFICATION_WS +