diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.html
index 39ccb89a..3cbfa33e 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.html
@@ -34,7 +34,8 @@
           >
             {{
               'group.errors.bannedWords'
-                | translate: { bannedWords: bannedWords.join(',') }
+                | translate
+                  : { bannedWords: appService.bannedGroupNames.join(',') }
             }}
           </mat-error>
           <mat-error
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts
index 4a5a9323..3045e5b3 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts
@@ -4,7 +4,8 @@ import {
   OnInit,
   OnDestroy,
   Inject,
-  ChangeDetectorRef
+  ChangeDetectorRef,
+  NgZone
 } from '@angular/core';
 import {
   FormGroup,
@@ -73,6 +74,7 @@ import {
 import { TranslateService, TranslateParser } from '@ngx-translate/core';
 import { environment } from '../../../../../environments/environment';
 import { StringUtil } from '@ucap-webmessenger/core';
+import { AppService } from '@app/services/app.service';
 
 export interface CreateChatDialogData {
   type?: string;
@@ -124,44 +126,13 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
     private logger: NGXLogger,
     private dialogService: DialogService,
     private translateService: TranslateService,
-    private translateParser: TranslateParser,
-    private changeDetectorRef: ChangeDetectorRef
+    public appService: AppService,
+    private changeDetectorRef: ChangeDetectorRef,
+    private ngZone: NgZone
   ) {
     this.sessionVerinfo = this.sessionStorageService.get<VersionInfo2Response>(
       KEY_VER_INFO
     );
-
-    const banKeys: string[] = [
-      'group.nameFavorite',
-      'group.nameMyDept',
-      'group.nameDefault'
-    ];
-
-    const currentLang = this.translateService.currentLang;
-    const langs = ['ko', 'en'];
-    const translationObservables: Observable<any>[] = [];
-
-    langs.forEach(lang => {
-      translationObservables.push(this.translateService.getTranslation(lang));
-    });
-
-    forkJoin(translationObservables)
-      .pipe(take(1))
-      .subscribe(
-        translations => {
-          for (const translation of translations) {
-            banKeys.forEach(banKey => {
-              this.bannedWords.push(
-                this.translateParser.getValue(translation, banKey)
-              );
-            });
-          }
-        },
-        error => {},
-        () => {
-          this.translateService.use(currentLang);
-        }
-      );
   }
 
   currentTabIndex: number;
@@ -205,8 +176,6 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
 
   inputForm: FormGroup;
 
-  bannedWords: string[] = [];
-
   groupTreeActivatedSubject = new BehaviorSubject<boolean>(false);
 
   ngOnInit() {
@@ -356,7 +325,10 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
         return null;
       }
       const ban =
-        -1 < this.bannedWords.indexOf((control.value as string).trim());
+        -1 <
+        this.appService.bannedGroupNames.indexOf(
+          (control.value as string).trim()
+        );
       return ban ? { groupNameBanned: { value: control.value } } : null;
     };
   }
diff --git a/projects/ucap-webmessenger-app/src/app/services/app.service.ts b/projects/ucap-webmessenger-app/src/app/services/app.service.ts
index 3b62e016..7097b7ae 100644
--- a/projects/ucap-webmessenger-app/src/app/services/app.service.ts
+++ b/projects/ucap-webmessenger-app/src/app/services/app.service.ts
@@ -7,20 +7,25 @@ import { NativeService, UCAP_NATIVE_SERVICE } from '@ucap-webmessenger/native';
 import { AppNativeService } from './native.service';
 import { TranslateService as UCapTranslateService } from '@ucap-webmessenger/ui';
 import { DateService as UCapDateService } from '@ucap-webmessenger/ui';
-import { TranslateService } from '@ngx-translate/core';
+import { TranslateService, TranslateParser } from '@ngx-translate/core';
 import { EnviromentsService } from '@ucap-webmessenger/enviroments';
 import { NGXLogger, NgxLoggerLevel } from 'ngx-logger';
 
 import { environment } from '../../environments/environment';
+import { Observable, forkJoin } from 'rxjs';
+import { take } from 'rxjs/operators';
 
 @Injectable()
 export class AppService {
+  bannedGroupNames: string[] = [];
+
   constructor(
     private enviromentsService: EnviromentsService,
     private sessionStorageService: SessionStorageService,
     private appNotificationService: AppNotificationService,
     private appNativeService: AppNativeService,
     private translateService: TranslateService,
+    private translateParser: TranslateParser,
     private ucapTranslateService: UCapTranslateService,
     private ucapDateService: UCapDateService,
     @Inject(UCAP_NATIVE_SERVICE) private nativeService: NativeService,
@@ -42,6 +47,41 @@ export class AppService {
   }
 
   public postInit(): Promise<any> {
+    const bannedGroupNamesPromise = new Promise<void>((resolve, reject) => {
+      const banKeys: string[] = [
+        'group.nameFavorite',
+        'group.nameMyDept',
+        'group.nameDefault'
+      ];
+
+      const currentLang = this.translateService.currentLang;
+      const langs = ['ko', 'en'];
+      const translationObservables: Observable<any>[] = [];
+
+      langs.forEach(lang => {
+        translationObservables.push(this.translateService.getTranslation(lang));
+      });
+
+      forkJoin(translationObservables)
+        .pipe(take(1))
+        .subscribe(
+          translations => {
+            for (const translation of translations) {
+              banKeys.forEach(banKey => {
+                this.bannedGroupNames.push(
+                  this.translateParser.getValue(translation, banKey)
+                );
+              });
+            }
+          },
+          error => {},
+          () => {
+            this.translateService.use(currentLang);
+            resolve();
+          }
+        );
+    });
+
     const initPromise = new Promise<void>((resolve, reject) => {
       try {
         let deviceType: DeviceType;
@@ -71,6 +111,6 @@ export class AppService {
       }
     });
 
-    return Promise.all([initPromise]);
+    return Promise.all([initPromise, bannedGroupNamesPromise]);
   }
 }