diff --git a/apps/red-ui/src/app/app-routing.module.ts b/apps/red-ui/src/app/app-routing.module.ts
index a42c3cb55..b6820fa72 100644
--- a/apps/red-ui/src/app/app-routing.module.ts
+++ b/apps/red-ui/src/app/app-routing.module.ts
@@ -6,6 +6,7 @@ import {
     IqserAuthGuard,
     IqserPermissionsGuard,
     IqserRoutes,
+    TenantResolveComponent,
 } from '@iqser/common-ui';
 import { RedRoleGuard } from '@users/red-role.guard';
 import { BaseScreenComponent } from '@components/base-screen/base-screen.component';
@@ -96,11 +97,14 @@ const dossierTemplateIdRoutes: IqserRoutes = [
 const routes: IqserRoutes = [
     {
         path: '',
-        redirectTo: 'main',
-        pathMatch: 'full',
+        component: TenantResolveComponent,
     },
     {
-        path: 'main',
+        path: ':tenant',
+        component: TenantResolveComponent,
+    },
+    {
+        path: ':tenant/main',
         component: BaseScreenComponent,
         children: [
             {
@@ -212,7 +216,7 @@ const routes: IqserRoutes = [
         ],
     },
     {
-        path: 'auth-error',
+        path: ':tenant/auth-error',
         component: AuthErrorComponent,
         canActivate: [IqserAuthGuard],
     },
diff --git a/apps/red-ui/src/app/app.module.ts b/apps/red-ui/src/app/app.module.ts
index 4da89584c..65adfd2ba 100644
--- a/apps/red-ui/src/app/app.module.ts
+++ b/apps/red-ui/src/app/app.module.ts
@@ -12,6 +12,7 @@ import {
     CommonUiModule,
     EmptyStateComponent,
     HiddenActionDirective,
+    IconButtonComponent,
     InputWithActionComponent,
     IqserAllowDirective,
     IqserDenyDirective,
@@ -21,6 +22,7 @@ import {
     IqserPermissionsService,
     IqserTranslateModule,
     IqserUsersModule,
+    KeycloakStatusService,
     LanguageService,
     LogoComponent,
     MAX_RETRIES_ON_SERVER_ERROR,
@@ -29,6 +31,7 @@ import {
     ServerErrorInterceptor,
     SkeletonComponent,
     StopPropagationDirective,
+    TenantsModule,
     ToastComponent,
 } from '@iqser/common-ui';
 import { ToastrModule } from 'ngx-toastr';
@@ -66,13 +69,11 @@ import { AppConfig, ILoggerConfig } from '@red/domain';
 import { SystemPreferencesService } from '@services/system-preferences.service';
 import { PdfViewerModule } from './modules/pdf-viewer/pdf-viewer.module';
 import { LicenseService } from '@services/license.service';
-import { TenantIdInterceptor } from '@utils/tenant-id-interceptor';
 import { UI_CACHES } from '@utils/constants';
 import { RedRoleGuard } from '@users/red-role.guard';
 import { SkeletonTopBarComponent } from '@components/skeleton/skeleton-top-bar/skeleton-top-bar.component';
 import { DossierSkeletonComponent } from '@components/skeleton/dossier-skeleton/dossier-skeleton.component';
 import { SkeletonStatsComponent } from '@components/skeleton/skeleton-stats/skeleton-stats.component';
-import { TenantIdResponseInterceptor } from '@utils/tenant-id-response-interceptor';
 
 const screens = [BaseScreenComponent, DownloadsListScreenComponent];
 
@@ -119,6 +120,7 @@ export const appModuleFactory = (config: AppConfig) => {
                 preventDuplicates: true,
                 resetTimeoutOnDuplicate: true,
             }),
+            TenantsModule.forRoot(),
             IqserTranslateModule.forRoot({ pathPrefix: config.BASE_TRANSLATIONS_DIRECTORY || '/assets/i18n/redact/' }),
             IqserLoadingModule.forRoot(),
             ServiceWorkerModule.register('ngsw-worker.js', { enabled: environment.production }),
@@ -170,6 +172,7 @@ export const appModuleFactory = (config: AppConfig) => {
             IqserAllowDirective,
             IqserDenyDirective,
             IqserListingModule,
+            IconButtonComponent,
         ],
         providers: [
             {
@@ -181,22 +184,13 @@ export const appModuleFactory = (config: AppConfig) => {
                 provide: ErrorHandler,
                 useClass: GlobalErrorHandler,
             },
-            {
-                provide: HTTP_INTERCEPTORS,
-                multi: true,
-                useClass: TenantIdInterceptor,
-            },
-            {
-                provide: HTTP_INTERCEPTORS,
-                multi: true,
-                useClass: TenantIdResponseInterceptor,
-            },
             {
                 provide: APP_INITIALIZER,
                 multi: true,
                 useFactory: configurationInitializer,
                 deps: [
                     BASE_HREF,
+                    KeycloakStatusService,
                     KeycloakService,
                     ConfigService,
                     SystemPreferencesService,
diff --git a/apps/red-ui/src/app/components/base-screen/base-screen.component.html b/apps/red-ui/src/app/components/base-screen/base-screen.component.html
index f9f73cfb2..f651a33a1 100644
--- a/apps/red-ui/src/app/components/base-screen/base-screen.component.html
+++ b/apps/red-ui/src/app/components/base-screen/base-screen.component.html
@@ -43,6 +43,10 @@
                     </a>
                 </ng-container>
 
+                <button (click)="selectTenant()" id="select-tenant" mat-menu-item *ngIf="tenantContext.hasMultipleTenants">
+                    <span translate="top-bar.navigation-items.my-account.children.select-tenant"> </span>
+                </button>
+
                 <button (click)="userService.logout()" id="logout" mat-menu-item>
                     <mat-icon svgIcon="iqser:logout"></mat-icon>
                     <span translate="top-bar.navigation-items.my-account.children.logout"> </span>
diff --git a/apps/red-ui/src/app/components/base-screen/base-screen.component.ts b/apps/red-ui/src/app/components/base-screen/base-screen.component.ts
index 15c8b53a8..6a0a0a56a 100644
--- a/apps/red-ui/src/app/components/base-screen/base-screen.component.ts
+++ b/apps/red-ui/src/app/components/base-screen/base-screen.component.ts
@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { Component, inject } from '@angular/core';
 import { UserService } from '@users/user.service';
 import { UserPreferenceService } from '@users/user-preference.service';
 import { NavigationStart, Router } from '@angular/router';
@@ -7,7 +7,7 @@ import { TranslateService } from '@ngx-translate/core';
 import { SpotlightSearchAction } from '@components/spotlight-search/spotlight-search-action';
 import { marker as _ } from '@biesbjerg/ngx-translate-extract-marker';
 import { filter, map, startWith } from 'rxjs/operators';
-import { IqserPermissionsService, shareDistinctLast } from '@iqser/common-ui';
+import { BASE_HREF, IqserPermissionsService, shareDistinctLast, TenantContext, TenantContextHolder } from '@iqser/common-ui';
 import { BreadcrumbsService } from '@services/breadcrumbs.service';
 import { FeaturesService } from '@services/features.service';
 import { ARCHIVE_ROUTE, DOSSIERS_ARCHIVE, DOSSIERS_ROUTE } from '@red/domain';
@@ -31,6 +31,8 @@ const isSearchScreen: (url: string) => boolean = url => url.includes('/search');
 })
 export class BaseScreenComponent {
     readonly roles = ROLES;
+    private readonly _baseHref = inject(BASE_HREF);
+    readonly tenantContext = inject(TenantContext);
     readonly currentUser = this.userService.currentUser;
     readonly userMenuItems: readonly MenuItem[] = [
         {
@@ -89,6 +91,7 @@ export class BaseScreenComponent {
         private readonly _router: Router,
         private readonly _translateService: TranslateService,
         private readonly _featuresService: FeaturesService,
+        private readonly _tenantContextHolder: TenantContextHolder,
         readonly permissionsService: IqserPermissionsService,
         readonly userService: UserService,
         readonly userPreferenceService: UserPreferenceService,
@@ -112,7 +115,7 @@ export class BaseScreenComponent {
 
     private _search(query: string, dossierIds: string[], onlyActive = false) {
         const queryParams = { query, dossierIds: dossierIds.join(','), onlyActive };
-        this._router.navigate(['main/search'], { queryParams }).then();
+        this._router.navigate([`/${this._tenantContextHolder.currentTenant}/main/search`], { queryParams }).then();
     }
 
     private _searchThisDossier(query: string) {
@@ -123,4 +126,8 @@ export class BaseScreenComponent {
         const dossierId = routerLink[2];
         return this._search(query, [dossierId]);
     }
+
+    selectTenant() {
+        window.open(window.location.origin + this._baseHref, '_blank');
+    }
 }
diff --git a/apps/red-ui/src/app/guards/dossier-files-guard.ts b/apps/red-ui/src/app/guards/dossier-files-guard.ts
index fce03e70e..26eb26a69 100644
--- a/apps/red-ui/src/app/guards/dossier-files-guard.ts
+++ b/apps/red-ui/src/app/guards/dossier-files-guard.ts
@@ -7,11 +7,13 @@ import { DOSSIER_ID, DOSSIER_TEMPLATE_ID } from '@red/domain';
 import { DossiersService } from '@services/dossiers/dossiers.service';
 import { DictionaryService } from '@services/entity-services/dictionary.service';
 import { DossierDictionariesMapService } from '@services/entity-services/dossier-dictionaries-map.service';
+import { TenantContextHolder } from '@iqser/common-ui';
 
 @Injectable({ providedIn: 'root' })
 export class DossierFilesGuard implements CanActivate {
     constructor(
         private readonly _injector: Injector,
+        private readonly _tenantContextHolder: TenantContextHolder,
         private readonly _filesMapService: FilesMapService,
         private readonly _filesService: FilesService,
         private readonly _dictionaryService: DictionaryService,
@@ -32,7 +34,7 @@ export class DossierFilesGuard implements CanActivate {
         }
 
         if (!dossiersService.has(dossierId)) {
-            await this._router.navigate(['/main', dossierTemplateId]);
+            await this._router.navigate([`/${this._tenantContextHolder.currentTenant}/main`, dossierTemplateId]);
             return false;
         }
 
diff --git a/apps/red-ui/src/app/guards/dossier-template-exists.guard.ts b/apps/red-ui/src/app/guards/dossier-template-exists.guard.ts
index 73a484f8b..c8c89856b 100644
--- a/apps/red-ui/src/app/guards/dossier-template-exists.guard.ts
+++ b/apps/red-ui/src/app/guards/dossier-template-exists.guard.ts
@@ -3,11 +3,13 @@ import { ActivatedRouteSnapshot, CanActivate, Router } from '@angular/router';
 import { DOSSIER_TEMPLATE_ID } from '@red/domain';
 import { DashboardStatsService } from '@services/dossier-templates/dashboard-stats.service';
 import { DossierTemplatesService } from '@services/dossier-templates/dossier-templates.service';
+import { TenantContextHolder } from '@iqser/common-ui';
 
 @Injectable({ providedIn: 'root' })
 export class DossierTemplateExistsGuard implements CanActivate {
     constructor(
         private readonly _dashboardStatsService: DashboardStatsService,
+        private readonly _tenantContextHolder: TenantContextHolder,
         private readonly _dossierTemplatesService: DossierTemplatesService,
         private readonly _router: Router,
     ) {}
@@ -19,13 +21,13 @@ export class DossierTemplateExistsGuard implements CanActivate {
         if (dossiersListView) {
             const dossierTemplateStats = this._dashboardStatsService.find(dossierTemplateId);
             if (!dossierTemplateStats || dossierTemplateStats.isEmpty) {
-                await this._router.navigate(['']);
+                await this._router.navigate([`/${this._tenantContextHolder.currentTenant}/main`]);
                 return false;
             }
         } else {
             const dossierTemplate = this._dossierTemplatesService.find(dossierTemplateId);
             if (!dossierTemplate) {
-                await this._router.navigate(['main', 'admin', 'dossier-templates']);
+                await this._router.navigate([this._tenantContextHolder.currentTenant, 'main', 'admin', 'dossier-templates']);
                 return false;
             }
         }
diff --git a/apps/red-ui/src/app/guards/dossiers.guard.ts b/apps/red-ui/src/app/guards/dossiers.guard.ts
index 9d419ce78..9f634a252 100644
--- a/apps/red-ui/src/app/guards/dossiers.guard.ts
+++ b/apps/red-ui/src/app/guards/dossiers.guard.ts
@@ -7,12 +7,14 @@ import { ArchivedDossiersService } from '@services/dossiers/archived-dossiers.se
 import { DossiersService } from '@services/dossiers/dossiers.service';
 import { ARCHIVE_ROUTE, DOSSIER_TEMPLATE_ID } from '@red/domain';
 import { DashboardStatsService } from '@services/dossier-templates/dashboard-stats.service';
+import { TenantContextHolder } from '@iqser/common-ui';
 
 @Injectable({ providedIn: 'root' })
 export class DossiersGuard implements CanActivate {
     constructor(
         private readonly _injector: Injector,
         private readonly _router: Router,
+        private readonly _tenantContextHolder: TenantContextHolder,
         private readonly _dashboardStatsService: DashboardStatsService,
         private readonly _activeDossiersService: ActiveDossiersService,
         private readonly _archivedDossiersService: ArchivedDossiersService,
@@ -33,7 +35,7 @@ export class DossiersGuard implements CanActivate {
         const dossierTemplateStats = this._dashboardStatsService.find(dossierTemplateId);
 
         if (isArchive && dossierTemplateStats?.numberOfArchivedDossiers === 0) {
-            await this._router.navigate(['main', dossierTemplateId, 'dossiers']);
+            await this._router.navigate([this._tenantContextHolder.currentTenant, 'main', dossierTemplateId, 'dossiers']);
             return false;
         }
 
diff --git a/apps/red-ui/src/app/guards/entity-exists-guard.service.ts b/apps/red-ui/src/app/guards/entity-exists-guard.service.ts
index 7d6e379d7..704230c3e 100644
--- a/apps/red-ui/src/app/guards/entity-exists-guard.service.ts
+++ b/apps/red-ui/src/app/guards/entity-exists-guard.service.ts
@@ -3,6 +3,7 @@ import { ActivatedRouteSnapshot, CanActivate, Router } from '@angular/router';
 import { DOSSIER_TEMPLATE_ID, ENTITY_TYPE } from '@red/domain';
 import { DictionariesMapService } from '@services/entity-services/dictionaries-map.service';
 import { DossierTemplatesService } from '@services/dossier-templates/dossier-templates.service';
+import { TenantContextHolder } from '@iqser/common-ui';
 
 @Injectable({ providedIn: 'root' })
 export class EntityExistsGuard implements CanActivate {
@@ -10,6 +11,7 @@ export class EntityExistsGuard implements CanActivate {
         private readonly _dictionariesMapService: DictionariesMapService,
         private readonly _router: Router,
         private readonly _dossierTemplatesService: DossierTemplatesService,
+        private readonly _tenantContextHolder: TenantContextHolder,
     ) {}
 
     async canActivate(route: ActivatedRouteSnapshot): Promise<boolean> {
@@ -18,7 +20,7 @@ export class EntityExistsGuard implements CanActivate {
 
         if (!this._dictionariesMapService.get(dossierTemplateId, type)) {
             const dossierTemplate = this._dossierTemplatesService.find(dossierTemplateId);
-            await this._router.navigate([`${dossierTemplate.routerLink}/entities`]);
+            await this._router.navigate([`/${this._tenantContextHolder.currentTenant}/${dossierTemplate.routerLink}/entities`]);
             return false;
         }
 
diff --git a/apps/red-ui/src/app/guards/watermark-exists.guard.ts b/apps/red-ui/src/app/guards/watermark-exists.guard.ts
index 447a0e29b..0e0e6c6e9 100644
--- a/apps/red-ui/src/app/guards/watermark-exists.guard.ts
+++ b/apps/red-ui/src/app/guards/watermark-exists.guard.ts
@@ -2,10 +2,15 @@ import { Injectable } from '@angular/core';
 import { ActivatedRouteSnapshot, CanActivate, Router } from '@angular/router';
 import { WatermarksMapService } from '@services/entity-services/watermarks-map.service';
 import { DOSSIER_TEMPLATE_ID, WATERMARK_ID } from '@red/domain';
+import { TenantContextHolder } from '@iqser/common-ui';
 
 @Injectable({ providedIn: 'root' })
 export class WatermarkExistsGuard implements CanActivate {
-    constructor(private readonly _watermarksMapService: WatermarksMapService, private readonly _router: Router) {}
+    constructor(
+        private readonly _watermarksMapService: WatermarksMapService,
+        private readonly _tenantContextHolder: TenantContextHolder,
+        private readonly _router: Router,
+    ) {}
 
     async canActivate(route: ActivatedRouteSnapshot): Promise<boolean> {
         const dossierTemplateId = route.parent.paramMap.get(DOSSIER_TEMPLATE_ID);
@@ -15,7 +20,14 @@ export class WatermarkExistsGuard implements CanActivate {
             return true;
         }
 
-        await this._router.navigate(['main', 'admin', 'dossier-templates', dossierTemplateId, 'watermarks']);
+        await this._router.navigate([
+            this._tenantContextHolder.currentTenant,
+            'main',
+            'admin',
+            'dossier-templates',
+            dossierTemplateId,
+            'watermarks',
+        ]);
         return false;
     }
 }
diff --git a/apps/red-ui/src/app/modules/admin/base-entity-screen/base-entity-screen.component.ts b/apps/red-ui/src/app/modules/admin/base-entity-screen/base-entity-screen.component.ts
index a2b3a7af4..3292ce08e 100644
--- a/apps/red-ui/src/app/modules/admin/base-entity-screen/base-entity-screen.component.ts
+++ b/apps/red-ui/src/app/modules/admin/base-entity-screen/base-entity-screen.component.ts
@@ -4,7 +4,7 @@ import { Router } from '@angular/router';
 import { firstValueFrom, Observable } from 'rxjs';
 import { AdminDialogService } from '../services/admin-dialog.service';
 import { DictionaryService } from '@services/entity-services/dictionary.service';
-import { getParam, LoadingService } from '@iqser/common-ui';
+import { getParam, LoadingService, TenantContextHolder } from '@iqser/common-ui';
 import { DossierTemplatesService } from '@services/dossier-templates/dossier-templates.service';
 import { DictionariesMapService } from '@services/entity-services/dictionaries-map.service';
 import { map } from 'rxjs/operators';
@@ -27,6 +27,7 @@ export class BaseEntityScreenComponent {
         private readonly _dialogService: AdminDialogService,
         private readonly _dictionaryService: DictionaryService,
         private readonly _permissionsService: PermissionsService,
+        private readonly _tenantContextHolder: TenantContextHolder,
         private readonly _dossierTemplatesService: DossierTemplatesService,
     ) {
         const entity$ = dictionaryMapService.watch$(this.#dossierTemplateId, this.#entityType);
@@ -41,7 +42,7 @@ export class BaseEntityScreenComponent {
             this._loadingService.start();
             const dossierTemplate = this._dossierTemplatesService.find(this.#dossierTemplateId);
             await firstValueFrom(this._dictionaryService.deleteDictionaries([this.#entityType], this.#dossierTemplateId));
-            await this._router.navigate([`${dossierTemplate.routerLink}/entities`]);
+            await this._router.navigate([`/${this._tenantContextHolder.currentTenant}/${dossierTemplate.routerLink}/entities`]);
             this._loadingService.stop();
         });
     }
diff --git a/apps/red-ui/src/app/modules/admin/screens/watermark/watermark-screen/watermark-screen.component.ts b/apps/red-ui/src/app/modules/admin/screens/watermark/watermark-screen/watermark-screen.component.ts
index 889b8dc20..194a20c28 100644
--- a/apps/red-ui/src/app/modules/admin/screens/watermark/watermark-screen/watermark-screen.component.ts
+++ b/apps/red-ui/src/app/modules/admin/screens/watermark/watermark-screen/watermark-screen.component.ts
@@ -12,6 +12,7 @@ import {
     IconButtonTypes,
     IqserPermissionsService,
     LoadingService,
+    TenantContextHolder,
     Toaster,
 } from '@iqser/common-ui';
 import { DOSSIER_TEMPLATE_ID, type IWatermark, type User, WATERMARK_ID, WatermarkOrientation, WatermarkOrientations } from '@red/domain';
@@ -75,6 +76,7 @@ export class WatermarkScreenComponent implements OnInit {
         private readonly _formBuilder: FormBuilder,
         readonly permissionsService: IqserPermissionsService,
         private readonly _loadingService: LoadingService,
+        private readonly _tenantContextHolder: TenantContextHolder,
         private readonly _licenseService: LicenseService,
         @Inject(BASE_HREF_FN) private readonly _convertPath: BaseHrefFn,
         private readonly _watermarkService: WatermarkService,
@@ -146,7 +148,11 @@ export class WatermarkScreenComponent implements OnInit {
                 watermark.id ? _('watermark-screen.action.change-success') : _('watermark-screen.action.created-success'),
             );
             if (!watermark.id) {
-                await this._router.navigate([`/main/admin/dossier-templates/${this.#dossierTemplateId}/watermarks/${updatedWatermark.id}`]);
+                await this._router.navigate([
+                    `/${this._tenantContextHolder.currentTenant}/main/admin/dossier-templates/${this.#dossierTemplateId}/watermarks/${
+                        updatedWatermark.id
+                    }`,
+                ]);
             }
         } catch (error) {
             this._toaster.error(_('watermark-screen.action.error'));
diff --git a/apps/red-ui/src/app/modules/admin/shared/components/dossier-template-actions/dossier-template-actions.component.ts b/apps/red-ui/src/app/modules/admin/shared/components/dossier-template-actions/dossier-template-actions.component.ts
index 2d2232f3d..8afbefad7 100644
--- a/apps/red-ui/src/app/modules/admin/shared/components/dossier-template-actions/dossier-template-actions.component.ts
+++ b/apps/red-ui/src/app/modules/admin/shared/components/dossier-template-actions/dossier-template-actions.component.ts
@@ -1,7 +1,14 @@
 import { Component, Input, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 import { AdminDialogService } from '../../../services/admin-dialog.service';
-import { CircleButtonComponent, CircleButtonTypes, getCurrentUser, IqserHelpModeModule, LoadingService } from '@iqser/common-ui';
+import {
+    CircleButtonComponent,
+    CircleButtonTypes,
+    getCurrentUser,
+    IqserHelpModeModule,
+    LoadingService,
+    TenantContextHolder,
+} from '@iqser/common-ui';
 import { DossierTemplatesService } from '@services/dossier-templates/dossier-templates.service';
 import { firstValueFrom } from 'rxjs';
 import { DOSSIER_TEMPLATE_ID, type User } from '@red/domain';
@@ -26,6 +33,7 @@ export class DossierTemplateActionsComponent implements OnInit {
         private readonly _route: ActivatedRoute,
         private readonly _loadingService: LoadingService,
         private readonly _dialogService: AdminDialogService,
+        private readonly _tenantContextHolder: TenantContextHolder,
         private readonly _dossierTemplatesService: DossierTemplatesService,
     ) {}
 
@@ -43,7 +51,7 @@ export class DossierTemplateActionsComponent implements OnInit {
 
             const success = await firstValueFrom(this._dossierTemplatesService.delete([this.dossierTemplateId]));
             if (success) {
-                await this._router.navigate(['main', 'admin']);
+                await this._router.navigate([this._tenantContextHolder.currentTenant, 'main', 'admin']);
             }
 
             this._loadingService.stop();
diff --git a/apps/red-ui/src/app/modules/file-preview/file-preview-screen.component.ts b/apps/red-ui/src/app/modules/file-preview/file-preview-screen.component.ts
index 176786262..0ef529e84 100644
--- a/apps/red-ui/src/app/modules/file-preview/file-preview-screen.component.ts
+++ b/apps/red-ui/src/app/modules/file-preview/file-preview-screen.component.ts
@@ -31,6 +31,7 @@ import {
     OnDetach,
     processFilters,
     shareDistinctLast,
+    TenantContextHolder,
     Toaster,
 } from '@iqser/common-ui';
 import { MatDialog } from '@angular/material/dialog';
@@ -125,6 +126,7 @@ export class FilePreviewScreenComponent
         private readonly _viewModeService: ViewModeService,
         private readonly _documentViewer: REDDocumentViewer,
         private readonly _changeRef: ChangeDetectorRef,
+        private readonly _tenantContextHolder: TenantContextHolder,
         private readonly _dialogService: FilePreviewDialogService,
         private readonly _pageRotationService: PageRotationService,
         private readonly _viewerHeaderService: ViewerHeaderService,
@@ -765,7 +767,7 @@ export class FilePreviewScreenComponent
 
     private _navigateToDossier() {
         this._logger.info('Navigating to ', this.state.dossier.dossierName);
-        return this._router.navigate([this.state.dossier.routerLink]);
+        return this._router.navigate([`/${this._tenantContextHolder.currentTenant}${this.state.dossier.routerLink}`]);
     }
 
     #highlightSelectedAnnotations(newAnnotations: AnnotationWrapper[]) {
diff --git a/apps/red-ui/src/app/modules/shared-dossiers/components/file-actions/file-actions.component.ts b/apps/red-ui/src/app/modules/shared-dossiers/components/file-actions/file-actions.component.ts
index 2f55e51cb..893ec3c36 100644
--- a/apps/red-ui/src/app/modules/shared-dossiers/components/file-actions/file-actions.component.ts
+++ b/apps/red-ui/src/app/modules/shared-dossiers/components/file-actions/file-actions.component.ts
@@ -13,6 +13,7 @@ import {
     OverlappingElements,
     ScrollableParentView,
     ScrollableParentViews,
+    TenantContextHolder,
     Toaster,
 } from '@iqser/common-ui';
 import { marker as _ } from '@biesbjerg/ngx-translate-extract-marker';
@@ -90,6 +91,7 @@ export class FileActionsComponent implements OnChanges {
         private readonly _changeRef: ChangeDetectorRef,
         private readonly _loadingService: LoadingService,
         private readonly _dialogService: DossiersDialogService,
+        private readonly _tenantContextHolder: TenantContextHolder,
         private readonly _fileAssignService: FileAssignService,
         private readonly _reanalysisService: ReanalysisService,
         private readonly _permissionsService: PermissionsService,
@@ -343,7 +345,7 @@ export class FileActionsComponent implements OnChanges {
                 try {
                     const dossier = this._activeDossiersService.find(this.file.dossierId);
                     await firstValueFrom(this._fileManagementService.delete([this.file], this.file.dossierId));
-                    await this._injector.get(Router).navigate([dossier.routerLink]);
+                    await this._injector.get(Router).navigate([`/${this._tenantContextHolder.currentTenant}${dossier.routerLink}`]);
                 } catch (error) {
                     this._injector.get(Toaster).error(_('error.http.generic'), { params: error });
                 }
diff --git a/apps/red-ui/src/app/modules/shared-dossiers/dialogs/edit-dossier-dialog/general-info/edit-dossier-general-info.component.ts b/apps/red-ui/src/app/modules/shared-dossiers/dialogs/edit-dossier-dialog/general-info/edit-dossier-general-info.component.ts
index a3fb03445..f3962714f 100644
--- a/apps/red-ui/src/app/modules/shared-dossiers/dialogs/edit-dossier-dialog/general-info/edit-dossier-general-info.component.ts
+++ b/apps/red-ui/src/app/modules/shared-dossiers/dialogs/edit-dossier-dialog/general-info/edit-dossier-general-info.component.ts
@@ -7,7 +7,15 @@ import { PermissionsService } from '@services/permissions.service';
 import { Router } from '@angular/router';
 import { MatDialogRef } from '@angular/material/dialog';
 import { EditDossierDialogComponent } from '../edit-dossier-dialog.component';
-import { ConfirmOptions, IconButtonTypes, IConfirmationDialogData, LoadingService, TitleColors, Toaster } from '@iqser/common-ui';
+import {
+    ConfirmOptions,
+    IconButtonTypes,
+    IConfirmationDialogData,
+    LoadingService,
+    TenantContextHolder,
+    TitleColors,
+    Toaster,
+} from '@iqser/common-ui';
 import { marker as _ } from '@biesbjerg/ngx-translate-extract-marker';
 import { DossierTemplatesService } from '@services/dossier-templates/dossier-templates.service';
 import { DossierStatsService } from '@services/dossiers/dossier-stats.service';
@@ -47,6 +55,7 @@ export class EditDossierGeneralInfoComponent implements OnInit, EditDossierSecti
         private readonly _formBuilder: UntypedFormBuilder,
         private readonly _dialogService: DossiersDialogService,
         private readonly _router: Router,
+        private readonly _tenantContextHolder: TenantContextHolder,
         private readonly _editDossierDialogRef: MatDialogRef<EditDossierDialogComponent>,
         private readonly _toaster: Toaster,
         private readonly _loadingService: LoadingService,
@@ -144,7 +153,7 @@ export class EditDossierGeneralInfoComponent implements OnInit, EditDossierSecti
             this._loadingService.start();
             await firstValueFrom(this._trashService.deleteDossier(this.dossier));
             this._editDossierDialogRef.close();
-            await this._router.navigate([this.dossier.dossiersListRouterLink]);
+            await this._router.navigate([`/${this._tenantContextHolder.currentTenant}${this.dossier.dossiersListRouterLink}`]);
             this._loadingService.stop();
             this._toaster.success(_('edit-dossier-dialog.delete-successful'), {
                 params: {
diff --git a/apps/red-ui/src/app/modules/shared/dialogs/add-dossier-dialog/add-dossier-dialog.component.ts b/apps/red-ui/src/app/modules/shared/dialogs/add-dossier-dialog/add-dossier-dialog.component.ts
index fb048bf13..57b6a02bd 100644
--- a/apps/red-ui/src/app/modules/shared/dialogs/add-dossier-dialog/add-dossier-dialog.component.ts
+++ b/apps/red-ui/src/app/modules/shared/dialogs/add-dossier-dialog/add-dossier-dialog.component.ts
@@ -3,7 +3,7 @@ import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { DOSSIER_TEMPLATE_ID, DownloadFileType, IDossierRequest, IDossierTemplate, IReportTemplate } from '@red/domain';
 import { UntypedFormGroup, Validators } from '@angular/forms';
 import { downloadTypesTranslations } from '@translations/download-types-translations';
-import { BaseDialogComponent, IconButtonTypes, IqserPermissionsService, SaveOptions } from '@iqser/common-ui';
+import { BaseDialogComponent, IconButtonTypes, IqserPermissionsService, SaveOptions, TenantContextHolder } from '@iqser/common-ui';
 import { ActiveDossiersService } from '@services/dossiers/active-dossiers.service';
 import { DossierTemplatesService } from '@services/dossier-templates/dossier-templates.service';
 import { ReportTemplateService } from '@services/report-template.service';
@@ -42,6 +42,7 @@ export class AddDossierDialogComponent extends BaseDialogComponent implements On
 
     constructor(
         readonly permissionsService: IqserPermissionsService,
+        private readonly _tenantContextHolder: TenantContextHolder,
         private readonly _activeDossiersService: ActiveDossiersService,
         private readonly _dossierTemplatesService: DossierTemplatesService,
         private readonly _reportTemplateController: ReportTemplateService,
@@ -82,7 +83,7 @@ export class AddDossierDialogComponent extends BaseDialogComponent implements On
         this._loadingService.start();
         const savedDossier = await firstValueFrom(this._activeDossiersService.createOrUpdate(this._formToObject()));
         if (savedDossier) {
-            await this._router.navigate([savedDossier.routerLink]);
+            await this._router.navigate([`/${this._tenantContextHolder.currentTenant}${savedDossier.routerLink}`]);
             if (options?.addMembers) {
                 this._dialogService.openDialog('editDossier', {
                     dossierId: savedDossier.id,
diff --git a/apps/red-ui/src/app/modules/upload-download/services/file-download.service.ts b/apps/red-ui/src/app/modules/upload-download/services/file-download.service.ts
index 7307ec389..5531ac4d0 100644
--- a/apps/red-ui/src/app/modules/upload-download/services/file-download.service.ts
+++ b/apps/red-ui/src/app/modules/upload-download/services/file-download.service.ts
@@ -3,15 +3,14 @@ import { DownloadStatus, IDownloadStatus, IDownloadStatusResponse, IPrepareDownl
 import { firstValueFrom, Observable } from 'rxjs';
 import { ConfigService } from '@services/config.service';
 import { map, tap } from 'rxjs/operators';
-import { EntitiesService, mapEach, RequiredParam, Validate } from '@iqser/common-ui';
+import { EntitiesService, mapEach, RequiredParam, TenantContextHolder, Validate } from '@iqser/common-ui';
 import { NGXLogger } from 'ngx-logger';
-import { TenantContext } from '@utils/tenant-context';
 
 @Injectable()
 export class FileDownloadService extends EntitiesService<IDownloadStatus, DownloadStatus> {
     protected readonly _defaultModelPath = 'async/download';
     protected readonly _entityClass = DownloadStatus;
-    protected readonly _tenantContext = inject(TenantContext);
+    protected readonly _tenantContext = inject(TenantContextHolder);
 
     constructor(private readonly _configService: ConfigService, private readonly _logger: NGXLogger) {
         super();
@@ -37,7 +36,7 @@ export class FileDownloadService extends EntitiesService<IDownloadStatus, Downlo
         const token = await this.generateToken(status.storageId);
         const anchor = document.createElement('a');
         anchor.href = `${this._configService.values.API_URL}/async/download/with-ott/${token.value}?tenantId=${encodeURIComponent(
-            this._tenantContext.getTenant(),
+            this._tenantContext.currentTenant,
         )}`;
         anchor.download = status.filename;
         anchor.target = '_blank';
diff --git a/apps/red-ui/src/app/services/dossiers/archived-dossiers.service.ts b/apps/red-ui/src/app/services/dossiers/archived-dossiers.service.ts
index d98fd64a7..bcc633209 100644
--- a/apps/red-ui/src/app/services/dossiers/archived-dossiers.service.ts
+++ b/apps/red-ui/src/app/services/dossiers/archived-dossiers.service.ts
@@ -8,6 +8,7 @@ import { DossiersService } from './dossiers.service';
 import { FilesMapService } from '../files/files-map.service';
 import { FeaturesService } from '../features.service';
 import { Router } from '@angular/router';
+import { TenantContextHolder } from '@iqser/common-ui';
 
 @Injectable({ providedIn: 'root' })
 export class ArchivedDossiersService extends DossiersService {
@@ -17,6 +18,7 @@ export class ArchivedDossiersService extends DossiersService {
     readonly #activeDossiersService = inject(ActiveDossiersService);
     readonly #filesMapService = inject(FilesMapService);
     readonly #featuresService = inject(FeaturesService);
+    readonly #tenantContextHolder = inject(TenantContextHolder);
     readonly #router = inject(Router);
 
     archive(dossiers: Dossier[]): Observable<unknown> {
@@ -40,7 +42,7 @@ export class ArchivedDossiersService extends DossiersService {
                 if (!this.#activeDossiersService.all.find(d => d.dossierTemplateId === dossierTemplateId)) {
                     route = route.replace(DOSSIERS_ROUTE, ARCHIVE_ROUTE);
                 }
-                await this.#router.navigate([route]);
+                await this.#router.navigate([`/${this.#tenantContextHolder.currentTenant}${route}`]);
             }),
             catchError(showArchiveFailedToast),
         );
diff --git a/apps/red-ui/src/app/services/router-history.service.ts b/apps/red-ui/src/app/services/router-history.service.ts
index a7a976343..fc2a0d39a 100644
--- a/apps/red-ui/src/app/services/router-history.service.ts
+++ b/apps/red-ui/src/app/services/router-history.service.ts
@@ -1,6 +1,7 @@
 import { Injectable } from '@angular/core';
 import { NavigationEnd, Router } from '@angular/router';
 import { filter } from 'rxjs/operators';
+import { TenantContextHolder } from '@iqser/common-ui';
 
 const LAST_DOSSIERS_SCREEN = 'routerHistory_lastDossiersScreen';
 
@@ -10,7 +11,8 @@ const LAST_DOSSIERS_SCREEN = 'routerHistory_lastDossiersScreen';
 export class RouterHistoryService {
     private _lastDossiersScreen = localStorage.getItem(LAST_DOSSIERS_SCREEN);
 
-    constructor(private readonly _router: Router) {
+    constructor(private readonly _router: Router, private readonly _tenantContextHolder: TenantContextHolder) {
+        // eslint-disable-next-line rxjs/no-ignored-subscription
         this._router.events.pipe(filter(event => event instanceof NavigationEnd)).subscribe((event: NavigationEnd) => {
             if (event.url.includes('/dossiers') || event.url.includes('/archive')) {
                 this._lastDossiersScreen = event.url;
@@ -21,9 +23,10 @@ export class RouterHistoryService {
 
     navigateToLastDossiersScreen(): void {
         if (this._router.url === decodeURI(this._lastDossiersScreen)) {
-            this._router.navigate(['/']);
+            this._router.navigate(['/' + this._tenantContextHolder.currentTenant]);
         } else {
             const url = decodeURI(this._lastDossiersScreen).split('?')[0];
+            // todo links
             this._router.navigate([url]);
         }
     }
diff --git a/apps/red-ui/src/app/users/red-role.guard.ts b/apps/red-ui/src/app/users/red-role.guard.ts
index 7a5b156ec..91e238537 100644
--- a/apps/red-ui/src/app/users/red-role.guard.ts
+++ b/apps/red-ui/src/app/users/red-role.guard.ts
@@ -1,7 +1,7 @@
 import { inject, Injectable } from '@angular/core';
 import { ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router';
 import { UserService } from './user.service';
-import { IqserPermissionsService, IqserRoleGuard } from '@iqser/common-ui';
+import { IqserPermissionsService, IqserRoleGuard, TenantContextHolder } from '@iqser/common-ui';
 
 @Injectable({
     providedIn: 'root',
@@ -9,19 +9,20 @@ import { IqserPermissionsService, IqserRoleGuard } from '@iqser/common-ui';
 export class RedRoleGuard extends IqserRoleGuard {
     protected readonly _userService = inject(UserService);
     protected readonly _permissionsService = inject(IqserPermissionsService);
+    protected readonly _tenantContextHolder = inject(TenantContextHolder);
 
     async canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Promise<boolean> {
         const currentUser = this._userService.currentUser;
 
         if (!currentUser?.hasAnyRole) {
-            await this._router.navigate(['/auth-error']);
+            await this._router.navigate([`/${this._tenantContextHolder.currentTenant}/auth-error`]);
             this._loadingService.stop();
             return false;
         }
 
         // we have at least 1 RED Role -> if it's not user he must be an admin
         if (currentUser.isUserAdmin && !currentUser.isAdmin && state.url.includes('admin') && !state.url.includes('users')) {
-            await this._router.navigate(['/main/admin/users']);
+            await this._router.navigate([`/${this._tenantContextHolder.currentTenant}/main/admin/users`]);
             return false;
         }
 
@@ -29,9 +30,9 @@ export class RedRoleGuard extends IqserRoleGuard {
             currentUser.isUserAdmin &&
             !currentUser.isAdmin &&
             !currentUser.isUser &&
-            !(state.url.startsWith('/main/admin/users') || state.url.startsWith('/main/account'))
+            !(state.url.includes('/main/admin/users') || state.url.includes('/main/account'))
         ) {
-            await this._router.navigate(['/main/admin/users']);
+            await this._router.navigate([`/${this._tenantContextHolder.currentTenant}/main/admin/users`]);
             return false;
         }
 
@@ -40,9 +41,9 @@ export class RedRoleGuard extends IqserRoleGuard {
                 return true;
             }
             if (!currentUser.isUser) {
-                await this._router.navigate(['/main/admin']);
+                await this._router.navigate([`/${this._tenantContextHolder.currentTenant}/main/admin`]);
             } else {
-                await this._router.navigate(['/']);
+                await this._router.navigate([`/${this._tenantContextHolder.currentTenant}`]);
             }
             return false;
         }
diff --git a/apps/red-ui/src/app/utils/configuration.initializer.ts b/apps/red-ui/src/app/utils/configuration.initializer.ts
index 7a2f34965..cb1655efc 100644
--- a/apps/red-ui/src/app/utils/configuration.initializer.ts
+++ b/apps/red-ui/src/app/utils/configuration.initializer.ts
@@ -1,9 +1,9 @@
 import { catchError, filter, switchMap, tap } from 'rxjs/operators';
 import { ConfigService } from '@services/config.service';
 import { firstValueFrom, map, of, throwError } from 'rxjs';
-import { KeycloakEventType, KeycloakService } from 'keycloak-angular';
+import { KeycloakService } from 'keycloak-angular';
 import { GeneralSettingsService } from '@services/general-settings.service';
-import { IqserPermissionsService, LanguageService } from '@iqser/common-ui';
+import { IqserPermissionsService, KeycloakStatus, KeycloakStatusService, LanguageService } from '@iqser/common-ui';
 import { UserPreferenceService } from '@users/user-preference.service';
 import { UserService } from '@users/user.service';
 import { FeaturesService } from '@services/features.service';
@@ -21,6 +21,7 @@ function lastDossierTemplateRedirect(baseHref: string, userPreferenceService: Us
 
 export function configurationInitializer(
     baseHref: string,
+    keycloakStatusService: KeycloakStatusService,
     keycloakService: KeycloakService,
     configService: ConfigService,
     systemPreferencesService: SystemPreferencesService,
@@ -32,8 +33,8 @@ export function configurationInitializer(
     licenseService: LicenseService,
     permissionsService: IqserPermissionsService,
 ) {
-    const setup = keycloakService.keycloakEvents$.pipe(
-        filter(event => event.type === KeycloakEventType.OnReady),
+    const setup = keycloakStatusService.keycloakStatus$.pipe(
+        filter(event => event === KeycloakStatus.READY || event === KeycloakStatus.NOT_ACTIVE),
         map(() => featuresService.loadConfig()),
         switchMap(() => keycloakService.isLoggedIn()),
         switchMap(loggedIn => (!loggedIn ? throwError(() => 'Not Logged In') : of({}))),
@@ -43,8 +44,12 @@ export function configurationInitializer(
         tap(configuration => configService.updateDisplayName(configuration.displayName)),
         switchMap(() => systemPreferencesService.loadPreferences()),
         switchMap(() => userPreferenceService.reload()),
-        catchError(e => {
+        catchError((e: unknown) => {
             console.log('[Redaction] Initialization error:', e);
+            if (keycloakStatusService.keycloakStatus$.value === KeycloakStatus.READY) {
+                return of(userService.redirectToLogin());
+            }
+
             return of({});
         }),
         tap(() => {
diff --git a/apps/red-ui/src/app/utils/tenant-context.ts b/apps/red-ui/src/app/utils/tenant-context.ts
deleted file mode 100644
index e4efbcb85..000000000
--- a/apps/red-ui/src/app/utils/tenant-context.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-import { Injectable } from '@angular/core';
-
-@Injectable({ providedIn: 'root' })
-export class TenantContext {
-    getTenant(): string {
-        return 'redaction';
-    }
-}
diff --git a/apps/red-ui/src/app/utils/tenant-id-interceptor.ts b/apps/red-ui/src/app/utils/tenant-id-interceptor.ts
deleted file mode 100644
index 4deddeca1..000000000
--- a/apps/red-ui/src/app/utils/tenant-id-interceptor.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
-import { inject, Injectable } from '@angular/core';
-import { Observable } from 'rxjs';
-import { TenantContext } from '@utils/tenant-context';
-
-@Injectable()
-export class TenantIdInterceptor implements HttpInterceptor {
-    protected readonly _tenantContext = inject(TenantContext);
-
-    intercept(req: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
-        const updatedRequest = req.clone({
-            setHeaders: { 'X-TENANT-ID': this._tenantContext.getTenant() },
-        });
-        return next.handle(updatedRequest);
-    }
-}
diff --git a/apps/red-ui/src/app/utils/tenant-id-response-interceptor.ts b/apps/red-ui/src/app/utils/tenant-id-response-interceptor.ts
deleted file mode 100644
index 25449f010..000000000
--- a/apps/red-ui/src/app/utils/tenant-id-response-interceptor.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-import { Injectable } from '@angular/core';
-import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest, HttpResponse } from '@angular/common/http';
-import { Observable } from 'rxjs';
-import { tap } from 'rxjs/operators';
-
-const VALID_TENANT_IDS = ['redaction'];
-
-@Injectable()
-export class TenantIdResponseInterceptor implements HttpInterceptor {
-    intercept(req: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
-        return next.handle(req).pipe(
-            tap(event => {
-                if (event instanceof HttpResponse) {
-                    const xTenantId = event.headers.get('X-TENANT-ID');
-                    if (VALID_TENANT_IDS.includes(xTenantId)) {
-                        //TODO add logic to deny the response when backend will send the header
-                    }
-                }
-            }),
-        );
-    }
-}
diff --git a/apps/red-ui/src/assets/config/config.json b/apps/red-ui/src/assets/config/config.json
index c81f4bc32..7ff543187 100644
--- a/apps/red-ui/src/assets/config/config.json
+++ b/apps/red-ui/src/assets/config/config.json
@@ -1,7 +1,7 @@
 {
   "ADMIN_CONTACT_NAME": null,
   "ADMIN_CONTACT_URL": null,
-  "API_URL": "https://dev-08.iqser.cloud/redaction-gateway-v1",
+  "API_URL": "https://dom1.iqser.cloud/redaction-gateway-v1",
   "APP_NAME": "RedactManager",
   "AUTO_READ_TIME": 3,
   "BACKEND_APP_VERSION": "4.4.40",
@@ -11,7 +11,7 @@
   "MAX_RETRIES_ON_SERVER_ERROR": 3,
   "OAUTH_CLIENT_ID": "redaction",
   "OAUTH_IDP_HINT": null,
-  "OAUTH_URL": "https://dev-08.iqser.cloud/auth/realms/redaction",
+  "OAUTH_URL": "https://dom1.iqser.cloud/auth",
   "RECENT_PERIOD_IN_HOURS": 24,
   "SELECTION_MODE": "structural",
   "MANUAL_BASE_URL": "https://docs.redactmanager.com/preview",
diff --git a/apps/red-ui/src/assets/i18n/redact/de.json b/apps/red-ui/src/assets/i18n/redact/de.json
index 6abce8b1d..f282d792a 100644
--- a/apps/red-ui/src/assets/i18n/redact/de.json
+++ b/apps/red-ui/src/assets/i18n/redact/de.json
@@ -6,9 +6,6 @@
     },
     "multiple-values": ""
   },
-  "user-menu": {
-    "button-text": ""
-  },
   "account-settings": "Account Einstellungen",
   "actions": {
     "all": "Alle",
@@ -1767,11 +1764,11 @@
     "title": "Benachrichtigungseinstellungen"
   },
   "notifications": {
+    "button-text": "",
     "deleted-dossier": "",
     "label": "Benachrichtigungen",
     "mark-all-as-read": "Alle als gelesen markieren",
-    "mark-as": "",
-    "button-text": ""
+    "mark-as": ""
   },
   "ocr": {
     "confirmation-dialog": {
@@ -1819,11 +1816,6 @@
     "previous": "Vorherige"
   },
   "pdf-viewer": {
-    "text-popup": {
-      "actions": {
-        "search": "Nach Auswahl suchen"
-      }
-    },
     "toggle-readable-redactions": "",
     "toggle-tooltips": "{active, select, true{Disable} false{Enable} other{}} Kurzinfos für Anmerkungen"
   },
@@ -2055,6 +2047,15 @@
     },
     "title": "Authentifizierung aktivieren"
   },
+  "tenant-resolve": {
+    "actions": {
+      "save": "Proceed"
+    },
+    "form": {
+      "tenant-placeholder": "Select a tenant ..."
+    },
+    "header": "Select your Tenant"
+  },
   "time": {
     "days": "{days} {days, plural, one{Tag} other{Tage}}",
     "hours": "{hours} {hours, plural, one{Stunde} other{Stunden}}",
@@ -2082,6 +2083,7 @@
             "label": "Sprache"
           },
           "logout": "Abmelden",
+          "select-tenant": "Select Tenant",
           "trash": "Papierkorb"
         }
       }
@@ -2184,6 +2186,9 @@
     }
   },
   "user-management": "Benutzerverwaltung",
+  "user-menu": {
+    "button-text": ""
+  },
   "user-profile": "Mein Profil",
   "user-profile-screen": {
     "actions": {
diff --git a/apps/red-ui/src/assets/i18n/redact/en.json b/apps/red-ui/src/assets/i18n/redact/en.json
index 43581d4fa..da4fa4495 100644
--- a/apps/red-ui/src/assets/i18n/redact/en.json
+++ b/apps/red-ui/src/assets/i18n/redact/en.json
@@ -6,9 +6,6 @@
     },
     "multiple-values": "Multiple recommendations selected"
   },
-  "user-menu": {
-    "button-text": "User menu"
-  },
   "account-settings": "Account Settings",
   "actions": {
     "all": "All",
@@ -1767,11 +1764,11 @@
     "title": "Notifications Preferences"
   },
   "notifications": {
+    "button-text": "Notifications",
     "deleted-dossier": "Deleted Dossier",
     "label": "Notifications",
     "mark-all-as-read": "Mark all as read",
-    "mark-as": "Mark as {type, select, read{read} unread{unread} other{}}",
-    "button-text": "Notifications"
+    "mark-as": "Mark as {type, select, read{read} unread{unread} other{}}"
   },
   "ocr": {
     "confirmation-dialog": {
@@ -1819,11 +1816,6 @@
     "previous": "Prev"
   },
   "pdf-viewer": {
-    "text-popup": {
-      "actions": {
-        "search": "Search for selection"
-      }
-    },
     "toggle-readable-redactions": "Show redactions {active, select, true{as in final document} false{in preview color} other{}}",
     "toggle-tooltips": "{active, select, true{Disable} false{Enable} other{}} annotation tooltips"
   },
@@ -2055,6 +2047,15 @@
     },
     "title": "Enable Authentication"
   },
+  "tenant-resolve": {
+    "actions": {
+      "save": "Proceed"
+    },
+    "form": {
+      "tenant-placeholder": "Select a tenant ..."
+    },
+    "header": "Select your Tenant"
+  },
   "time": {
     "days": "{days} {days, plural, one{day} other{days}}",
     "hours": "{hours} {hours, plural, one{hour} other{hours}}",
@@ -2082,6 +2083,7 @@
             "label": "Language"
           },
           "logout": "Logout",
+          "select-tenant": "Select Tenant",
           "trash": "Trash"
         }
       }
@@ -2184,6 +2186,9 @@
     }
   },
   "user-management": "User Management",
+  "user-menu": {
+    "button-text": "User menu"
+  },
   "user-profile": "My Profile",
   "user-profile-screen": {
     "actions": {
diff --git a/apps/red-ui/src/assets/i18n/scm/de.json b/apps/red-ui/src/assets/i18n/scm/de.json
index d6c71b494..a70ccebdd 100644
--- a/apps/red-ui/src/assets/i18n/scm/de.json
+++ b/apps/red-ui/src/assets/i18n/scm/de.json
@@ -1764,6 +1764,7 @@
     "title": "Benachrichtigungseinstellungen"
   },
   "notifications": {
+    "button-text": "",
     "deleted-dossier": "",
     "label": "Benachrichtigungen",
     "mark-all-as-read": "Alle als gelesen markieren",
@@ -1815,11 +1816,6 @@
     "previous": "Vorherige"
   },
   "pdf-viewer": {
-    "text-popup": {
-      "actions": {
-        "search": "Nach Auswahl suchen"
-      }
-    },
     "toggle-readable-redactions": "",
     "toggle-tooltips": "{active, select, true{Disable} false{Enable} other{}} Kurzinfos für Anmerkungen"
   },
@@ -2051,6 +2047,15 @@
     },
     "title": "Authentifizierung aktivieren"
   },
+  "tenant-resolve": {
+    "actions": {
+      "save": "Proceed"
+    },
+    "form": {
+      "tenant-placeholder": "Select a tenant ..."
+    },
+    "header": "Select your Tenant"
+  },
   "time": {
     "days": "{days} {days, plural, one{Tag} other{Tage}}",
     "hours": "{hours} {hours, plural, one{Stunde} other{Stunden}}",
@@ -2078,6 +2083,7 @@
             "label": "Sprache"
           },
           "logout": "Abmelden",
+          "select-tenant": "Select Tenant",
           "trash": "Papierkorb"
         }
       }
@@ -2180,6 +2186,9 @@
     }
   },
   "user-management": "Benutzerverwaltung",
+  "user-menu": {
+    "button-text": ""
+  },
   "user-profile": "Mein Profil",
   "user-profile-screen": {
     "actions": {
diff --git a/apps/red-ui/src/assets/i18n/scm/en.json b/apps/red-ui/src/assets/i18n/scm/en.json
index 59f92efd4..ea9c964eb 100644
--- a/apps/red-ui/src/assets/i18n/scm/en.json
+++ b/apps/red-ui/src/assets/i18n/scm/en.json
@@ -1764,6 +1764,7 @@
     "title": "Notifications Preferences"
   },
   "notifications": {
+    "button-text": "",
     "deleted-dossier": "Deleted Dossier",
     "label": "Notifications",
     "mark-all-as-read": "Mark all as read",
@@ -1815,11 +1816,6 @@
     "previous": "Prev"
   },
   "pdf-viewer": {
-    "text-popup": {
-      "actions": {
-        "search": "Search for selection"
-      }
-    },
     "toggle-readable-redactions": "Show components {active, select, true{as in final document} false{in preview color} other{}}",
     "toggle-tooltips": "{active, select, true{Disable} false{Enable} other{}} annotation tooltips"
   },
@@ -2051,6 +2047,15 @@
     },
     "title": "Enable Authentication"
   },
+  "tenant-resolve": {
+    "actions": {
+      "save": "Proceed"
+    },
+    "form": {
+      "tenant-placeholder": "Select a tenant ..."
+    },
+    "header": "Select your Tenant"
+  },
   "time": {
     "days": "{days} {days, plural, one{day} other{days}}",
     "hours": "{hours} {hours, plural, one{hour} other{hours}}",
@@ -2078,6 +2083,7 @@
             "label": "Language"
           },
           "logout": "Logout",
+          "select-tenant": "Select Tenant",
           "trash": "Trash"
         }
       }
@@ -2180,6 +2186,9 @@
     }
   },
   "user-management": "User Management",
+  "user-menu": {
+    "button-text": ""
+  },
   "user-profile": "My Profile",
   "user-profile-screen": {
     "actions": {
diff --git a/libs/common-ui b/libs/common-ui
index bb562d63f..00d55e470 160000
--- a/libs/common-ui
+++ b/libs/common-ui
@@ -1 +1 @@
-Subproject commit bb562d63fd5ccc353c71b1ca026caa8de5a42926
+Subproject commit 00d55e470f99fb1defa1ae7250af793d6fe70115