diff --git a/projects/ucap-webmessenger-api-public/src/lib/apis/version-info2.ts b/projects/ucap-webmessenger-api-public/src/lib/apis/version-info2.ts
index 44206202..8dc86dee 100644
--- a/projects/ucap-webmessenger-api-public/src/lib/apis/version-info2.ts
+++ b/projects/ucap-webmessenger-api-public/src/lib/apis/version-info2.ts
@@ -32,6 +32,7 @@ export interface VersionInfo2Response extends APIResponse {
   authIp?: boolean;
   launcherAppVersion?: string;
   launcherInstallUrl?: string;
+  isExpired?: string;
 }
 
 const versionInfo2EncodeMap = {
@@ -68,6 +69,7 @@ export const decodeVersionInfo2: APIDecoder<VersionInfo2Response> = (
     protocolCode: Number(res.ProtocolCD),
     serverIp: res.ServerIP,
     syncMode: res.SyncMode as SyncMode,
-    uploadUrl: res.UploadURL
+    uploadUrl: res.UploadURL,
+    isExpired: res.isExpired
   } as VersionInfo2Response;
 };
diff --git a/projects/ucap-webmessenger-app/src/app/resolvers/messenger.resolver.ts b/projects/ucap-webmessenger-app/src/app/resolvers/messenger.resolver.ts
index a50999ec..7012e5a9 100644
--- a/projects/ucap-webmessenger-app/src/app/resolvers/messenger.resolver.ts
+++ b/projects/ucap-webmessenger-app/src/app/resolvers/messenger.resolver.ts
@@ -48,7 +48,12 @@ import {
 } from '@ucap-webmessenger/protocol-query';
 import { OptionProtocolService } from '@ucap-webmessenger/protocol-option';
 
-import { TranslateService as UCapTranslateService } from '@ucap-webmessenger/ui';
+import {
+  AlertDialogResult,
+  AlertDialogData,
+  AlertDialogComponent,
+  DialogService
+} from '@ucap-webmessenger/ui';
 
 import * as AppStore from '@app/store';
 import * as AuthenticationStore from '@app/store/account/authentication';
@@ -91,6 +96,7 @@ export class AppMessengerResolver implements Resolve<void> {
     private appNativeService: AppNativeService,
     private snackBarService: SnackBarService,
     private translateService: TranslateService,
+    private dialogService: DialogService,
     private logger: NGXLogger
   ) {}
 
@@ -141,6 +147,21 @@ export class AppMessengerResolver implements Resolve<void> {
               res
             );
             this.store.dispatch(VersionInfoStore.versionInfo2Success({ res }));
+
+            /** Expired Warnning for license */
+            if (!!res && !!res.isExpired && res.isExpired.length > 0) {
+              this.dialogService.open<
+                AlertDialogComponent,
+                AlertDialogData,
+                AlertDialogResult
+              >(AlertDialogComponent, {
+                disableClose: true,
+                data: {
+                  title: 'Warnning!!',
+                  html: res.isExpired
+                }
+              });
+            }
           }),
           switchMap(res => {
             return this.protocolService.connect(res.serverIp);
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
index bc208a8a..9cf07234 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
@@ -5,7 +5,6 @@ import { Actions, createEffect, ofType } from '@ngrx/effects';
 import { Store, select } from '@ngrx/store';
 
 import { NGXLogger } from 'ngx-logger';
-
 import { of } from 'rxjs';
 import {
   tap,
@@ -72,7 +71,14 @@ import {
   clearRoomUser
 } from './actions';
 import { SessionStorageService } from '@ucap-webmessenger/web-storage';
-import { LoginInfo, KEY_LOGIN_INFO } from '@app/types';
+import { LoginInfo, KEY_LOGIN_INFO, KEY_VER_INFO } from '@app/types';
+import { VersionInfo2Response } from '@ucap-webmessenger/api-public';
+import {
+  DialogService,
+  AlertDialogComponent,
+  AlertDialogData,
+  AlertDialogResult
+} from '@ucap-webmessenger/ui';
 
 @Injectable()
 export class Effects {
@@ -86,6 +92,29 @@ export class Effects {
           )
         ),
         map(([action, roomInfo]) => {
+          /** Expired Warnning for license */
+          const sessionVerinfo = this.sessionStorageService.get<
+            VersionInfo2Response
+          >(KEY_VER_INFO);
+
+          if (
+            !!sessionVerinfo &&
+            !!sessionVerinfo.isExpired &&
+            sessionVerinfo.isExpired.length > 0
+          ) {
+            this.dialogService.open<
+              AlertDialogComponent,
+              AlertDialogData,
+              AlertDialogResult
+            >(AlertDialogComponent, {
+              disableClose: true,
+              data: {
+                title: 'Warnning!!',
+                html: sessionVerinfo.isExpired
+              }
+            });
+          }
+
           if (!!roomInfo && roomInfo.roomSeq === action.roomSeq) {
           } else {
             this.store.dispatch(ChatStore.clearEvent());
@@ -425,6 +454,7 @@ export class Effects {
     private store: Store<any>,
     private roomProtocolService: RoomProtocolService,
     private sessionStorageService: SessionStorageService,
+    private dialogService: DialogService,
     private logger: NGXLogger
   ) {}
 }
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/settings/effects.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/settings/effects.ts
index 4087323e..db09ba89 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/settings/effects.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/settings/effects.ts
@@ -1,3 +1,4 @@
+import { VersionInfo2Response } from './../../../../../../ucap-webmessenger-api-public/src/lib/apis/version-info2';
 import { Injectable } from '@angular/core';
 
 import { tap } from 'rxjs/operators';
@@ -7,9 +8,14 @@ import { Store } from '@ngrx/store';
 
 import { NGXLogger } from 'ngx-logger';
 
-import { DialogService } from '@ucap-webmessenger/ui';
+import {
+  DialogService,
+  AlertDialogComponent,
+  AlertDialogData,
+  AlertDialogResult
+} from '@ucap-webmessenger/ui';
 
-import { showDialog } from './actions';
+import { showDialog, selectedGnbMenuIndex } from './actions';
 import {
   MessengerSettingsDialogComponent,
   MessengerSettingsDialogData,
@@ -18,6 +24,7 @@ import {
 import { SessionStorageService } from '@ucap-webmessenger/web-storage';
 import { LoginResponse } from '@ucap-webmessenger/protocol-authentication';
 import { KEY_LOGIN_RES_INFO } from '@app/types/login-res-info.type';
+import { KEY_VER_INFO } from '@app/types';
 
 @Injectable()
 export class Effects {
@@ -49,6 +56,38 @@ export class Effects {
     { dispatch: false }
   );
 
+  selectedGnbMenuIndex$ = createEffect(
+    () =>
+      this.actions$.pipe(
+        ofType(selectedGnbMenuIndex),
+        tap(async () => {
+          /** Expired Warnning for license */
+          const sessionVerinfo = this.sessionStorageService.get<
+            VersionInfo2Response
+          >(KEY_VER_INFO);
+
+          if (
+            !!sessionVerinfo &&
+            !!sessionVerinfo.isExpired &&
+            sessionVerinfo.isExpired.length > 0
+          ) {
+            this.dialogService.open<
+              AlertDialogComponent,
+              AlertDialogData,
+              AlertDialogResult
+            >(AlertDialogComponent, {
+              disableClose: true,
+              data: {
+                title: 'Warnning!!',
+                html: sessionVerinfo.isExpired
+              }
+            });
+          }
+        })
+      ),
+    { dispatch: false }
+  );
+
   constructor(
     private actions$: Actions,
     private store: Store<any>,