diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index f3ac7607cbd798954deb8cab173a3c8a2daf747b..6aad4e4519129bc4dfe72447e8e4e852cd75b5e6 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -37,7 +37,7 @@ export class AppComponent {
                         timeout: 900, // 15 min
                         onTimeout: () => {
                             this.authService.logout();
-                            this.router.navigate(['/welcome'])
+                            this.router.navigate(['/welcome'], {queryParams: {logout: 'TIMEOUT'}});
                         }
                     });
                 }
diff --git a/src/app/shared/navbar/navbar.component.ts b/src/app/shared/navbar/navbar.component.ts
index 1df008f098fa937705ee6779819032a0ecd1a367..b64d090281665927f162077d5cab36b9d819cb3b 100644
--- a/src/app/shared/navbar/navbar.component.ts
+++ b/src/app/shared/navbar/navbar.component.ts
@@ -1,5 +1,5 @@
 import {Component, OnInit, ViewChild} from '@angular/core';
-import {Router} from '@angular/router';
+import {ActivatedRoute, Router} from '@angular/router';
 import {TranslateService} from '@ngx-translate/core';
 import {interval, Subscription} from 'rxjs';
 import {AuthService} from '../../auth/auth.service';
@@ -70,6 +70,7 @@ export class NavbarComponent implements OnInit {
         }, 1000);
 
 
+
     }
 
     public getSupportedLanguages() {
diff --git a/src/app/welcome/welcome.component.css b/src/app/welcome/welcome.component.css
index 1c5f384496229c1cad06f7e0a6e0dd8b888f2fb4..d00fd0310a08f1457c12bb382b09f7b9d1a2bfb1 100644
--- a/src/app/welcome/welcome.component.css
+++ b/src/app/welcome/welcome.component.css
@@ -53,3 +53,13 @@ html, body {
 .features-top-padding{
 	padding-top: 15px;
 }
+
+.banner{
+	background-color : #424242;
+	color: #E8E8E8;
+	margin-top: -20px;
+	padding: 12px;
+	justify-self: center;
+	display: grid;
+	width: 100%;
+}
diff --git a/src/app/welcome/welcome.component.html b/src/app/welcome/welcome.component.html
index 887583f87c805655633e17ffaf6a916d62feaa64..c59992c4c495bd0180d1bf0088524b5280362389 100644
--- a/src/app/welcome/welcome.component.html
+++ b/src/app/welcome/welcome.component.html
@@ -1,104 +1,124 @@
+<div *ngIf="autoLogout" class="banner flex-center">
+    <div style="display: grid">
+		<span class="text-center">{{'WELCOME.TIME_EXPIRED' | translate}}
+            <a class=""
+               style="width:3rem; height: 3rem; color: white; cursor: pointer" (click)="autoLogout=false">
+			<em class="pi pi-times"></em>
+		</a>
+		</span>
+    </div>
+</div>
 <div class="container-fluid" onresize="this.onResize();">
-	<div class="row">
-		<div class="col-lg-12 col-md-12 col-sm-12 col-xs-12" id="welcome-container" style="text-align: justify; font-size: large;">
-			<div class="col-lg-offset-2 col-md-offset-2 col-sm-offset-2 col-lg-8 col-md-8 col-sm-8 col-xs-12" >
-				<div style="display: block;" class="col-lg-12 col-md-12 col-sm-12 col-xs-12 panel-body">
-					<div class="col-lg-12 col-md-12 col-sm-12 col-xs-12" style="padding-bottom: 20px;">
-						<h2><strong>{{ 'WELCOME.TITLE1' | translate }}</strong> (<a href="https://www.geant.org/NMaaS" target="_blank" rel="noopener noreferrer">NMaaS</a>)
-							{{ 'WELCOME.TITLE2'| translate }}</h2>
-					</div>
-					<div style="padding-left: 10px;" class="col-lg-6 col-md-12 col-sm-12 col-xs-12">
-						<p>
-							{{ 'WELCOME.INTRO_TEXT' | translate }}
-						</p>
-					</div>
-					<div class="col-lg-6 col-md-12 col-sm-12 col-xs-12 ">
-                        <img src="../../assets/images/landing/nmaas_schema_simple_text.png" class="center-block glyphicon-align-center landing-img-sm"
+    <div class="row">
+        <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12" id="welcome-container"
+             style="text-align: justify; font-size: large;">
+            <div class="col-lg-offset-2 col-md-offset-2 col-sm-offset-2 col-lg-8 col-md-8 col-sm-8 col-xs-12">
+                <div style="display: block;" class="col-lg-12 col-md-12 col-sm-12 col-xs-12 panel-body">
+                    <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12" style="padding-bottom: 20px;">
+                        <h2><strong>{{ 'WELCOME.TITLE1' | translate }}</strong> (<a href="https://www.geant.org/NMaaS"
+                                                                                    target="_blank"
+                                                                                    rel="noopener noreferrer">NMaaS</a>)
+                            {{ 'WELCOME.TITLE2'| translate }}</h2>
+                    </div>
+                    <div style="padding-left: 10px;" class="col-lg-6 col-md-12 col-sm-12 col-xs-12">
+                        <p>
+                            {{ 'WELCOME.INTRO_TEXT' | translate }}
+                        </p>
+                    </div>
+                    <div class="col-lg-6 col-md-12 col-sm-12 col-xs-12 ">
+                        <img src="../../assets/images/landing/nmaas_schema_simple_text.png"
+                             class="center-block glyphicon-align-center landing-img-sm"
                              style="width: 100%; height: 100%; max-width: 800px; max-height: 600px;" alt="NMaaS Schema">
-					</div>
-				</div>
-				<br>
-				<div style="display: block;" class="col-lg-12 panel-body landing-block-padding">
-					<div class="col-lg-3 col-md-4 col-sm-12 col-xs-12 ">
-						<img src="../../assets/images/landing/people_2.png" alt="Users" class="center-block landing-img-sm landing-img-left">
-					</div>
-					<div style="padding-left: 10px;" class="col-lg-9 col-md-8 col-sm-12 col-xs-12">
-						<h3>{{ 'WELCOME.TARGET_USERS_HEADER' | translate }}</h3>
-						<p>
-							{{ 'WELCOME.TARGET_USERS_TEXT' | translate }}
-						</p>
-					</div>
-				</div>
-				<br>
-				<div style="display: block;" class="col-lg-12 panel-body landing-block-padding">
-					<div style="padding-left: 10px;" class="col-lg-8 col-md-12 col-sm-12 col-xs-12">
-						<h3>{{ 'WELCOME.MARKETPLACE_HEADER' | translate }}</h3>
-						<p>{{ 'WELCOME.MARKETPLACE_TEXT' | translate }}</p>
-					</div>
-					<div class="col-lg-3 col-md-12 col-sm-12 col-xs-12">
-						<img src="../../assets/images/landing/shop_2.png" alt="Marketplace icon" class="glyphicon-align-center center-block landing-img-sm landing-img-right">
-					</div>
-				</div>
-				<br>
-				<div style="display: block;" class="col-lg-12 panel-body landing-block-padding">
-					<div class="col-lg-3 col-md-3 col-sm-12 col-xs-12">
-						<img src="../../assets/images/landing/costs_3.png" alt="Cost reduction icon" class="center-block landing-img-sm landing-img-left">
-					</div>
-					<div style="padding-left: 10px;" class="col-lg-9 col-md-9 col-sm-12 col-xs-12">
-						<h3>{{ 'WELCOME.COST_REDUCTION_HEADER' | translate }}</h3>
-						<p>{{ 'WELCOME.COST_REDUCTION_TEXT' | translate }}</p>
-					</div>
-				</div>
-				<div style="display: block;" class="col-lg-12 panel-body landing-block-padding">
-					<div style="padding-left: 10px;" class="col-lg-9 col-md-9 col-sm-12 col-xs-12">
-						<h3>{{ 'WELCOME.SECURITY_HEADER' | translate }}</h3>
-						<p>{{ 'WELCOME.SECURITY_TEXT' | translate }}</p>
-					</div>
-					<div class="col-lg-3 col-md-3 col-sm-12 col-xs-12">
-						<img src="../../assets/images/landing/security.png" alt="Security icon" class="center-block landing-img-sm landing-img-right" />
-					</div>
-				</div>
-				<br>
-			</div>
-			<div class="col-lg-offset-2 col-md-offset-2 col-sm-offset-2 col-lg-8 col-md-8 col-sm-8 col-xs-12"
+                    </div>
+                </div>
+                <br>
+                <div style="display: block;" class="col-lg-12 panel-body landing-block-padding">
+                    <div class="col-lg-3 col-md-4 col-sm-12 col-xs-12 ">
+                        <img src="../../assets/images/landing/people_2.png" alt="Users"
+                             class="center-block landing-img-sm landing-img-left">
+                    </div>
+                    <div style="padding-left: 10px;" class="col-lg-9 col-md-8 col-sm-12 col-xs-12">
+                        <h3>{{ 'WELCOME.TARGET_USERS_HEADER' | translate }}</h3>
+                        <p>
+                            {{ 'WELCOME.TARGET_USERS_TEXT' | translate }}
+                        </p>
+                    </div>
+                </div>
+                <br>
+                <div style="display: block;" class="col-lg-12 panel-body landing-block-padding">
+                    <div style="padding-left: 10px;" class="col-lg-8 col-md-12 col-sm-12 col-xs-12">
+                        <h3>{{ 'WELCOME.MARKETPLACE_HEADER' | translate }}</h3>
+                        <p>{{ 'WELCOME.MARKETPLACE_TEXT' | translate }}</p>
+                    </div>
+                    <div class="col-lg-3 col-md-12 col-sm-12 col-xs-12">
+                        <img src="../../assets/images/landing/shop_2.png" alt="Marketplace icon"
+                             class="glyphicon-align-center center-block landing-img-sm landing-img-right">
+                    </div>
+                </div>
+                <br>
+                <div style="display: block;" class="col-lg-12 panel-body landing-block-padding">
+                    <div class="col-lg-3 col-md-3 col-sm-12 col-xs-12">
+                        <img src="../../assets/images/landing/costs_3.png" alt="Cost reduction icon"
+                             class="center-block landing-img-sm landing-img-left">
+                    </div>
+                    <div style="padding-left: 10px;" class="col-lg-9 col-md-9 col-sm-12 col-xs-12">
+                        <h3>{{ 'WELCOME.COST_REDUCTION_HEADER' | translate }}</h3>
+                        <p>{{ 'WELCOME.COST_REDUCTION_TEXT' | translate }}</p>
+                    </div>
+                </div>
+                <div style="display: block;" class="col-lg-12 panel-body landing-block-padding">
+                    <div style="padding-left: 10px;" class="col-lg-9 col-md-9 col-sm-12 col-xs-12">
+                        <h3>{{ 'WELCOME.SECURITY_HEADER' | translate }}</h3>
+                        <p>{{ 'WELCOME.SECURITY_TEXT' | translate }}</p>
+                    </div>
+                    <div class="col-lg-3 col-md-3 col-sm-12 col-xs-12">
+                        <img src="../../assets/images/landing/security.png" alt="Security icon"
+                             class="center-block landing-img-sm landing-img-right"/>
+                    </div>
+                </div>
+                <br>
+            </div>
+            <div class="col-lg-offset-2 col-md-offset-2 col-sm-offset-2 col-lg-8 col-md-8 col-sm-8 col-xs-12"
                  style="border-top: solid 1px #6c757d; margin-top: 20px;">
-				<div class="col-lg-offset-4 col-lg-4 col-md-offset-2 col-md-8 col-sm-offset-1 col-sm-10 text-center features-bottom-padding features-top-padding">
-					<h2>{{ 'WELCOME.NMAAS_FEATURES_HEADER' | translate }}</h2>
-				</div>
-				<div class="col-lg-12 col-md-12 col-sm-12 col-xs-12 features-bottom-padding features-top-padding">
-					<div class="col-lg-offset-1 col-md-offset-1 col-lg-5 col-md-5 col-sm-6 col-xs-12">
-						<h3>{{ 'WELCOME.APP_MARKET_HEADER' | translate }}</h3>
-						<p>{{ 'WELCOME.APP_MARKET_TEXT' | translate }}</p>
-					</div>
-					<div class="col-lg-5 col-md-5 col-sm-6 col-xs-12">
-						<h3>{{ 'WELCOME.OWN_APPS_HEADER' | translate }}</h3>
-						<p>{{ 'WELCOME.OWN_APPS_TEXT' | translate }}</p>
-					</div>
-				</div>
+                <div class="col-lg-offset-4 col-lg-4 col-md-offset-2 col-md-8 col-sm-offset-1 col-sm-10 text-center features-bottom-padding features-top-padding">
+                    <h2>{{ 'WELCOME.NMAAS_FEATURES_HEADER' | translate }}</h2>
+                </div>
                 <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12 features-bottom-padding features-top-padding">
-					<div class="col-lg-offset-1 col-md-offset-1 col-lg-5 col-md-5 col-sm-6 col-xs-12">
-						<h3>{{ 'WELCOME.EDUGAIN_SUPPORT_HEADER' | translate }}</h3>
-						<p>{{ 'WELCOME.EDUGAIN_SUPPORT_TEXT' | translate }}<p>
-					</div>
-					<div class="col-lg-5 col-md-5 col-sm-6 col-xs-12">
-						<h3>{{ 'WELCOME.FAST_DEPLOYMENT_HEADER' | translate }}</h3>
-						<p>{{ 'WELCOME.FAST_DEPLOYMENT_TEXT' | translate }}</p>
-					</div>
-				</div>
+                    <div class="col-lg-offset-1 col-md-offset-1 col-lg-5 col-md-5 col-sm-6 col-xs-12">
+                        <h3>{{ 'WELCOME.APP_MARKET_HEADER' | translate }}</h3>
+                        <p>{{ 'WELCOME.APP_MARKET_TEXT' | translate }}</p>
+                    </div>
+                    <div class="col-lg-5 col-md-5 col-sm-6 col-xs-12">
+                        <h3>{{ 'WELCOME.OWN_APPS_HEADER' | translate }}</h3>
+                        <p>{{ 'WELCOME.OWN_APPS_TEXT' | translate }}</p>
+                    </div>
+                </div>
                 <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12 features-bottom-padding features-top-padding">
-					<div class="col-lg-offset-1 col-md-offset-1 col-lg-5 col-md-5 col-sm-6 col-xs-12">
-						<h3>{{ 'WELCOME.WEB_PORTAL_HEADER' | translate }}</h3>
-						<p>{{ 'WELCOME.WEB_PORTAL_TEXT' | translate }}</p>
-					</div>
-					<div class="col-lg-5 col-md-5 col-sm-6 col-xs-12">
-						<h3>{{ 'WELCOME.KUBERNETES_HEADER' | translate }}</h3>
-						<p>{{ 'WELCOME.KUBERNETES_TEXT' | translate }}</p>
-					</div>
-				</div>
-			</div>
-			<div class="col-lg-offset-2 col-md-offset-2 col-sm-offset-2 col-lg-8 col-md-8 col-sm-8 col-xs-12"
+                    <div class="col-lg-offset-1 col-md-offset-1 col-lg-5 col-md-5 col-sm-6 col-xs-12">
+                        <h3>{{ 'WELCOME.EDUGAIN_SUPPORT_HEADER' | translate }}</h3>
+                        <p>{{ 'WELCOME.EDUGAIN_SUPPORT_TEXT' | translate }}
+                        <p>
+                    </div>
+                    <div class="col-lg-5 col-md-5 col-sm-6 col-xs-12">
+                        <h3>{{ 'WELCOME.FAST_DEPLOYMENT_HEADER' | translate }}</h3>
+                        <p>{{ 'WELCOME.FAST_DEPLOYMENT_TEXT' | translate }}</p>
+                    </div>
+                </div>
+                <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12 features-bottom-padding features-top-padding">
+                    <div class="col-lg-offset-1 col-md-offset-1 col-lg-5 col-md-5 col-sm-6 col-xs-12">
+                        <h3>{{ 'WELCOME.WEB_PORTAL_HEADER' | translate }}</h3>
+                        <p>{{ 'WELCOME.WEB_PORTAL_TEXT' | translate }}</p>
+                    </div>
+                    <div class="col-lg-5 col-md-5 col-sm-6 col-xs-12">
+                        <h3>{{ 'WELCOME.KUBERNETES_HEADER' | translate }}</h3>
+                        <p>{{ 'WELCOME.KUBERNETES_TEXT' | translate }}</p>
+                    </div>
+                </div>
+            </div>
+            <div class="col-lg-offset-2 col-md-offset-2 col-sm-offset-2 col-lg-8 col-md-8 col-sm-8 col-xs-12"
                  style="border-top: solid 1px #6c757d; margin-top: 20px;">
-                <div class="col-lg-offset-4 col-lg-4 col-md-offset-4 col-md-4 col-sm-offset-2 col-sm-8 col-xs-12 text-center" style="padding-top: 15px;
+                <div class="col-lg-offset-4 col-lg-4 col-md-offset-4 col-md-4 col-sm-offset-2 col-sm-8 col-xs-12 text-center"
+                     style="padding-top: 15px;
                     padding-bottom: 10px;"><h2>{{ 'WELCOME.TECHNOLOGIES_USED_HEADER' | translate }}</h2></div>
                 <div class="center-block col-lg-12 col-md-12 col-sm-12 col-xs-12">
                     <div class="col-lg-3 col-md-4 col-sm-6 col-xs-6">
@@ -107,49 +127,58 @@
                     </div>
                     <div class="col-lg-3 col-md-4 col-sm-6 col-xs-6">
                         <a href="https://getbootstrap.com/" target="_blank" rel="noopener noreferrer nofollow">
-                            <img src="../../assets/images/logo/bootstrap.png" alt="Bootstrap logo" class="landing-img-logo"></a>
+                            <img src="../../assets/images/logo/bootstrap.png" alt="Bootstrap logo"
+                                 class="landing-img-logo"></a>
                     </div>
                     <div class="col-lg-3 col-md-4 col-sm-6 col-xs-6">
                         <a href="https://spring.io/" target="_blank" rel="noopener noreferrer nofollow">
-                            <img src="../../assets/images/logo/spring.png" alt="Spring logo" class="landing-img-logo"></a>
+                            <img src="../../assets/images/logo/spring.png" alt="Spring logo"
+                                 class="landing-img-logo"></a>
                     </div>
                     <div class="col-lg-3 col-md-4 col-sm-6 col-xs-6">
                         <a href="https://www.postgresql.org/" target="_blank" rel="noopener noreferrer nofollow">
-                            <img src="../../assets/images/logo/postgres.png" alt="PostgreSQL logo" class="landing-img-logo"></a>
+                            <img src="../../assets/images/logo/postgres.png" alt="PostgreSQL logo"
+                                 class="landing-img-logo"></a>
                     </div>
                     <div class="col-lg-3 col-md-4 col-sm-6 col-xs-6">
                         <a href="https://www.docker.com/" target="_blank" rel="noopener noreferrer nofollow">
-                            <img src="../../assets/images/logo/docker.png" alt="Docker logo" class="landing-img-logo"></a>
+                            <img src="../../assets/images/logo/docker.png" alt="Docker logo"
+                                 class="landing-img-logo"></a>
                     </div>
                     <div class="col-lg-3 col-md-4 col-sm-6 col-xs-6">
                         <a href="https://kubernetes.io/" target="_blank" rel="noopener noreferrer nofollow">
-                            <img src="../../assets/images/logo/kuber.png" alt="Kubernetes logo" class="landing-img-logo"></a>
+                            <img src="../../assets/images/logo/kuber.png" alt="Kubernetes logo"
+                                 class="landing-img-logo"></a>
                     </div>
                     <div class="col-lg-3 col-md-4 col-sm-6 col-xs-6">
                         <a href="https://about.gitlab.com/" target="_blank" rel="noopener noreferrer nofollow">
-                            <img src="../../assets/images/logo/gitlab.png" alt="Gitlab logo" class="landing-img-logo"></a>
+                            <img src="../../assets/images/logo/gitlab.png" alt="Gitlab logo"
+                                 class="landing-img-logo"></a>
                     </div>
                     <div class="col-lg-3 col-md-4 col-sm-6 col-xs-6">
                         <a href="https://www.ansible.com/" target="_blank" rel="noopener noreferrer nofollow">
                             <img src="../../assets/images/logo/ansible.png" alt="Ansible logo" class="landing-img-logo"></a>
                     </div>
                 </div>
-			</div>
-			<div id="login-register-panel" class="col-lg-3 col-md-5 col-sm-6 col-xs-12 pull-right login-vertical-offset"
-				 [ngClass]="router.url.startsWith('/welcome/login?ssoUserId=') ? '' : 'collapse'"
-				 style="z-index: 800; position: fixed; right: 1px; margin-top: -15px; max-height: 50vh; font-size: 14px;">
-				<div class="panel panel-default">
-					<div class="panel-heading">
-					</div>
-					<div class="panel-body" id="login-out" style="overflow-y: auto;">
-						<ul class="nav nav-tabs nav-justified">
-							<li role="login" [routerLinkActive]="['active']" [routerLinkActiveOptions]="{exact:false}"><a [routerLink]="['login']">{{ 'WELCOME.LOGIN' | translate }}</a></li>
-							<li role="registration" [routerLinkActive]="['active']" [routerLinkActiveOptions]="{exact:true}"><a [routerLink]="['registration']">{{ 'WELCOME.REGISTER' | translate }}</a></li>
-						</ul>
-						<router-outlet></router-outlet>
-					</div>
-				</div>
-			</div>
-		</div>
-	</div>
+            </div>
+            <div id="login-register-panel" class="col-lg-3 col-md-5 col-sm-6 col-xs-12 pull-right login-vertical-offset"
+                 [ngClass]="router.url.startsWith('/welcome/login?ssoUserId=') ? '' : 'collapse'"
+                 style="z-index: 800; position: fixed; right: 1px; margin-top: -15px; max-height: 50vh; font-size: 14px;">
+                <div class="panel panel-default">
+                    <div class="panel-heading">
+                    </div>
+                    <div class="panel-body" id="login-out" style="overflow-y: auto;">
+                        <ul class="nav nav-tabs nav-justified">
+                            <li role="login" [routerLinkActive]="['active']" [routerLinkActiveOptions]="{exact:false}">
+                                <a [routerLink]="['login']">{{ 'WELCOME.LOGIN' | translate }}</a></li>
+                            <li role="registration" [routerLinkActive]="['active']"
+                                [routerLinkActiveOptions]="{exact:true}"><a
+                                    [routerLink]="['registration']">{{ 'WELCOME.REGISTER' | translate }}</a></li>
+                        </ul>
+                        <router-outlet></router-outlet>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
 </div>
diff --git a/src/app/welcome/welcome.component.ts b/src/app/welcome/welcome.component.ts
index cb598986e9139706274301025cf927c8a9de0deb..ada6491ed75501b7f3dbb790e4136992c36aac94 100644
--- a/src/app/welcome/welcome.component.ts
+++ b/src/app/welcome/welcome.component.ts
@@ -1,58 +1,62 @@
-import { AppConfigService } from '../service/appconfig.service';
-import {
-    AfterContentChecked,
-    AfterViewChecked,
-    Component,
-    OnInit,
-} from '@angular/core';
-import {Router} from '@angular/router';
+import {AppConfigService} from '../service/appconfig.service';
+import {AfterContentChecked, AfterViewChecked, Component, OnInit,} from '@angular/core';
+import {ActivatedRoute, Router} from '@angular/router';
 import {ServiceUnavailableService} from '../service-unavailable/service-unavailable.service';
 
 @Component({
-  selector: 'app-welcome',
-  templateUrl: './welcome.component.html',
-  styleUrls: ['./welcome.component.css']
+    selector: 'app-welcome',
+    templateUrl: './welcome.component.html',
+    styleUrls: ['./welcome.component.css']
 })
 export class WelcomeComponent implements OnInit, AfterViewChecked, AfterContentChecked {
 
-  private height = 0;
+    private height = 0;
 
-  constructor(private appConfig: AppConfigService,
-              public router: Router,
-              private serviceHealth: ServiceUnavailableService) {
-  }
+    public autoLogout = false;
 
-  async ngOnInit() {
-    document.getElementById('global-footer').style.display = 'block';
-    await this.serviceHealth.validateServicesAvailability();
-    if (!this.serviceHealth.isServiceAvailable) {
-      this.router.navigate(['/service-unavailable']);
+    constructor(private appConfig: AppConfigService,
+                public router: Router,
+                private serviceHealth: ServiceUnavailableService,
+                private readonly route: ActivatedRoute) {
+    }
+
+    async ngOnInit() {
+        document.getElementById('global-footer').style.display = 'block';
+        await this.serviceHealth.validateServicesAvailability();
+        if (!this.serviceHealth.isServiceAvailable) {
+            this.router.navigate(['/service-unavailable']);
+        }
+        this.onResize();
+        this.route.queryParams.subscribe(params => {
+            console.log(params)
+            if (params.logout !== undefined) {
+                this.autoLogout = true;
+            }
+        })
+    }
+
+    ngAfterContentChecked() {
+        this.onResize();
+    }
+
+    ngAfterViewChecked() {
+        this.onResize();
+    }
+
+    onResize() {
+        // TODO
+        // rewrite this code, use css instead of js for better performance
+        this.height = document.getElementById('global-footer').offsetHeight;
+        const navHeight = document.getElementById('navbar').offsetHeight;
+        // document.getElementById("welcome-container").style.marginBottom = `${this.height}px`;
+        // document.getElementById("welcome-container").style.marginTop = `${navHeight + 2}px`;
+        document.getElementById('login-out').style.maxHeight = `calc(95vh - ${this.height + navHeight + 10}px)`;
+        // document.getElementById('login-out').style.paddingTop = `${navHeight}`;
+        if (this.height > 90) {
+            document.getElementById('global-footer').style.textAlign = 'center';
+            document.getElementById('login-out').style.maxHeight = `calc(94vh - ${this.height + navHeight + 10}px)`;
+        } else {
+            document.getElementById('global-footer').style.textAlign = 'right';
+        }
     }
-    this.onResize();
-  }
-
-  ngAfterContentChecked() {
-      this.onResize();
-  }
-
-  ngAfterViewChecked() {
-      this.onResize();
-  }
-
-  onResize() {
-      // TODO
-      // rewrite this code, use css instead of js for better performance
-      this.height = document.getElementById('global-footer').offsetHeight;
-      const navHeight = document.getElementById('navbar').offsetHeight;
-      // document.getElementById("welcome-container").style.marginBottom = `${this.height}px`;
-      // document.getElementById("welcome-container").style.marginTop = `${navHeight + 2}px`;
-      document.getElementById('login-out').style.maxHeight = `calc(95vh - ${this.height +  navHeight + 10}px)`;
-      // document.getElementById('login-out').style.paddingTop = `${navHeight}`;
-      if (this.height > 90) {
-        document.getElementById('global-footer').style.textAlign = 'center';
-        document.getElementById('login-out').style.maxHeight = `calc(94vh - ${this.height +  navHeight + 10}px)`;
-      } else {
-        document.getElementById('global-footer').style.textAlign = 'right';
-      }
-  }
 }