diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2af97ea8a..2abd97c61 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,11 +21,20 @@ please see [changelog_updates.md](docs/dev/changelog_updates.md).
 - Fixed naming of EDC variable in instructions ([#195](https://github.com/sovity/authority-portal/issues/195))
 - Fixed error message for already existing CaaS subdomains ([#196](https://github.com/sovity/authority-portal/issues/196))
 - Removed possibility to provide a connector for oneself as a Service Partner ([#191](https://github.com/sovity/authority-portal/issues/191))
+- Added an environment variable to enable configuration of the support page URL. See deployment migration notes. ([#203](https://github.com/sovity/authority-portal/issues/203))
 
 ### Known issues
 
 ### Deployment Migration Notes
 
+- Portal Frontend
+  - Environment variables
+  ```yaml
+  # Added
+  # Variable to set the support page URL
+  AUTHORITY_PORTAL_FRONTEND_SUPPORT_URL: https://support.mobility-dataspace.eu
+  ```
+
 #### Compatible Versions
 
 - Authority Portal Backend Docker Image: `ghcr.io/sovity/authority-portal-backend:{{ version }}`
diff --git a/authority-portal-frontend/.env.local-dev b/authority-portal-frontend/.env.local-dev
index a3111842d..f3a720730 100644
--- a/authority-portal-frontend/.env.local-dev
+++ b/authority-portal-frontend/.env.local-dev
@@ -8,4 +8,4 @@ AUTHORITY_PORTAL_FRONTEND_USE_FAKE_BACKEND=true
 AUTHORITY_PORTAL_FRONTEND_IFRAME_URL=https://mobility-dataspa-5n9px2qi7r.live-website.com/mds-news
 AUTHORITY_PORTAL_FRONTEND_PRIVACY_POLICY_URL=https://mobility-dataspace.online/privacy-policy-mds-portal/
 AUTHORITY_PORTAL_FRONTEND_LEGAL_NOTICE_URL=https://mobility-dataspace.eu/legal-notice
-
+AUTHORITY_PORTAL_FRONTEND_SUPPORT_URL=https://support.mobility-dataspace.eu
diff --git a/authority-portal-frontend/.env.local-e2e-dev b/authority-portal-frontend/.env.local-e2e-dev
index f55eb7442..e3f7bb12c 100644
--- a/authority-portal-frontend/.env.local-e2e-dev
+++ b/authority-portal-frontend/.env.local-e2e-dev
@@ -8,3 +8,4 @@ AUTHORITY_PORTAL_FRONTEND_USE_LOCAL_BACKEND=true
 AUTHORITY_PORTAL_FRONTEND_IFRAME_URL=https://mobility-dataspa-5n9px2qi7r.live-website.com/mds-news
 AUTHORITY_PORTAL_FRONTEND_PRIVACY_POLICY_URL=https://mobility-dataspace.online/privacy-policy-mds-portal/
 AUTHORITY_PORTAL_FRONTEND_LEGAL_NOTICE_URL=https://mobility-dataspace.eu/legal-notice
+AUTHORITY_PORTAL_FRONTEND_SUPPORT_URL=https://support.mobility-dataspace.eu
diff --git a/authority-portal-frontend/src/app/common/layouts/portal-layout/sidebar/sidebar.component.ts b/authority-portal-frontend/src/app/common/layouts/portal-layout/sidebar/sidebar.component.ts
index b16017de8..206211de0 100644
--- a/authority-portal-frontend/src/app/common/layouts/portal-layout/sidebar/sidebar.component.ts
+++ b/authority-portal-frontend/src/app/common/layouts/portal-layout/sidebar/sidebar.component.ts
@@ -10,13 +10,14 @@
  * Contributors:
  *      sovity GmbH - initial implementation
  */
-import {Component, HostListener, OnDestroy, OnInit} from '@angular/core';
+import {Component, HostListener, Inject, OnDestroy, OnInit} from '@angular/core';
 import {Subject, distinctUntilChanged, takeUntil} from 'rxjs';
 import {combineLatest} from 'rxjs';
 import {map} from 'rxjs/operators';
 import {DeploymentEnvironmentDto} from '@sovity.de/authority-portal-client';
 import {GlobalStateUtils} from 'src/app/core/global-state/global-state-utils';
 import {SidebarSection} from './sidebar.model';
+import {APP_CONFIG, AppConfig} from "../../../../core/config/app-config";
 
 @Component({
   selector: 'app-sidebar',
@@ -27,7 +28,10 @@ export class SidebarComponent implements OnInit, OnDestroy {
   sidebarSections: SidebarSection[] = [];
   private ngOnDestroy$ = new Subject();
 
-  constructor(private globalStateUtils: GlobalStateUtils) {}
+  constructor(
+    @Inject(APP_CONFIG) public config: AppConfig,
+    private globalStateUtils: GlobalStateUtils
+  ) {}
 
   ngOnInit() {
     this.startListeningToEnvironmentChanges();
@@ -166,7 +170,7 @@ export class SidebarComponent implements OnInit, OnDestroy {
           {
             title: 'MDS Support',
             icon: 'question-mark-circle',
-            rLink: 'https://mobility-dataspace.online/',
+            rLink: this.config.supportUrl,
             isExternalLink: true,
           },
         ],
diff --git a/authority-portal-frontend/src/app/core/config/app-config.ts b/authority-portal-frontend/src/app/core/config/app-config.ts
index 60db7f1dc..12a0f862e 100644
--- a/authority-portal-frontend/src/app/core/config/app-config.ts
+++ b/authority-portal-frontend/src/app/core/config/app-config.ts
@@ -30,6 +30,7 @@ export interface AppConfig {
   iframeUrl: string;
   privacyPolicyUrl: string;
   legalNoticeUrl: string;
+  supportUrl: string;
 }
 
 /**
@@ -47,6 +48,7 @@ export interface AppConfigEnv {
   AUTHORITY_PORTAL_FRONTEND_IFRAME_URL: string;
   AUTHORITY_PORTAL_FRONTEND_PRIVACY_POLICY_URL: string;
   AUTHORITY_PORTAL_FRONTEND_LEGAL_NOTICE_URL: string;
+  AUTHORITY_PORTAL_FRONTEND_SUPPORT_URL: string;
 }
 
 /**
@@ -67,5 +69,6 @@ export function buildAppConfig(envVars: AppConfigEnv): AppConfig {
     iframeUrl: envVars.AUTHORITY_PORTAL_FRONTEND_IFRAME_URL,
     privacyPolicyUrl: envVars.AUTHORITY_PORTAL_FRONTEND_PRIVACY_POLICY_URL,
     legalNoticeUrl: envVars.AUTHORITY_PORTAL_FRONTEND_LEGAL_NOTICE_URL,
+    supportUrl: envVars.AUTHORITY_PORTAL_FRONTEND_SUPPORT_URL,
   };
 }
diff --git a/docs/deployment-guide/goals/production/README.md b/docs/deployment-guide/goals/production/README.md
index ee456e389..0924bce35 100644
--- a/docs/deployment-guide/goals/production/README.md
+++ b/docs/deployment-guide/goals/production/README.md
@@ -215,6 +215,7 @@ AUTHORITY_PORTAL_FRONTEND_INVALIDATE_SESSION_COOKIES_URL: https://[AP_FQDN]/oaut
 AUTHORITY_PORTAL_FRONTEND_IFRAME_URL: https://mobility-dataspa-5n9px2qi7r.live-website.com/mds-news # MDS Dashboard iFrame URL
 AUTHORITY_PORTAL_FRONTEND_LEGAL_NOTICE_URL: https://mobility-dataspace.eu/legal-notice # Authority Portal Legal Notice URL
 AUTHORITY_PORTAL_FRONTEND_PRIVACY_POLICY_URL: https://mobility-dataspace.online/privacy-policy-mds-portal # MDS Privacy Policy URL
+AUTHORITY_PORTAL_FRONTEND_SUPPORT_URL: https://support.mobility-dataspace.eu # Support page URL
 ```
 
 ## Initial Setup