diff --git a/CHANGELOG.md b/CHANGELOG.md
index ec6ea925..a8f7ba6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ please see [changelog_updates.md](docs/dev/changelog_updates.md).
 - Fixed Confirm and Delete buttons' behavior in confirmation modals ([#304](https://github.com/sovity/authority-portal/issues/304))
 - Fixed final step not showing when registering a central component ([#305](https://github.com/sovity/authority-portal/issues/305))
 - Fixed My Organization page not updated when switching between environments ([#255](https://github.com/sovity/authority-portal/issues/255))
+- Added live update when deactivating/reactivating users ([#287](https://github.com/sovity/authority-portal/issues/287))
 - Fixed Website title not updating in some scenarios [#237](https://github.com/sovity/authority-portal/issues/237)
 - Fixed security vulnerabilities
 
diff --git a/authority-portal-frontend/src/app/core/api/fake-backend/fake-backend.ts b/authority-portal-frontend/src/app/core/api/fake-backend/fake-backend.ts
index 6083f606..66b8ae13 100644
--- a/authority-portal-frontend/src/app/core/api/fake-backend/fake-backend.ts
+++ b/authority-portal-frontend/src/app/core/api/fake-backend/fake-backend.ts
@@ -166,11 +166,13 @@ export const AUTHORITY_PORTAL_FAKE_BACKEND: FetchAPI = async (
 
     .url('authority/users/*/deactivate')
     .on('PUT', (userId) => {
+      deactivateUser(userId);
       return ok(userId);
     })
 
     .url('authority/users/*/reactivate')
     .on('PUT', (userId) => {
+      reactivateUser(userId);
       return ok(userId);
     })
 
diff --git a/authority-portal-frontend/src/app/core/api/fake-backend/impl/fake-organizations.ts b/authority-portal-frontend/src/app/core/api/fake-backend/impl/fake-organizations.ts
index aa30dd25..c17fbfb3 100644
--- a/authority-portal-frontend/src/app/core/api/fake-backend/impl/fake-organizations.ts
+++ b/authority-portal-frontend/src/app/core/api/fake-backend/impl/fake-organizations.ts
@@ -551,6 +551,14 @@ export const getOrganizationDetails = (
   ) as OrganizationDetailsDto;
 };
 
+export const findOrganizationByUserId = (
+  userId: string,
+): string | undefined => {
+  return TEST_ORGANIZATIONS.find((organization) =>
+    organization.memberList.some((member) => member.userId === userId),
+  )?.id;
+};
+
 export const getOrganizations = (): OrganizationDetailsDto[] => {
   return TEST_ORGANIZATIONS;
 };
diff --git a/authority-portal-frontend/src/app/core/api/fake-backend/impl/fake-users.ts b/authority-portal-frontend/src/app/core/api/fake-backend/impl/fake-users.ts
index fdc4c35a..e19a4625 100644
--- a/authority-portal-frontend/src/app/core/api/fake-backend/impl/fake-users.ts
+++ b/authority-portal-frontend/src/app/core/api/fake-backend/impl/fake-users.ts
@@ -23,6 +23,7 @@ import {
   UserDeletionCheck,
   UserDetailDto,
   UserInfo,
+  UserRegistrationStatusDto,
   UserRoleDto,
 } from '@sovity.de/authority-portal-client';
 import {Patcher, patchObj} from 'src/app/core/utils/object-utils';
@@ -32,6 +33,7 @@ import {
 } from '../../../utils/user-role-utils';
 import {
   deleteOrganization,
+  findOrganizationByUserId,
   getOrganizationDetails,
   getParticipantAdmins,
   updateOrganization,
@@ -447,12 +449,37 @@ export const clearApplicationRole = (
   return {id: request.userId, changedDate: new Date()};
 };
 
+const updateUserStatusOfOrganizationById = (
+  userId: string,
+  status: UserRegistrationStatusDto,
+) => {
+  const organizationId = findOrganizationByUserId(userId);
+  if (organizationId) {
+    updateOrganization(organizationId, (organization) => {
+      return {
+        ...organization,
+        memberList: organization.memberList.map((member) => {
+          if (member.userId === userId) {
+            return {
+              ...member,
+              registrationStatus: status,
+            };
+          }
+          return member;
+        }),
+      };
+    });
+  }
+};
+
 export const deactivateUser = (userId: string): IdResponse => {
+  updateUserStatusOfOrganizationById(userId, 'DEACTIVATED');
   patchUser(userId, () => ({registrationStatus: 'DEACTIVATED'}));
   return {id: userId, changedDate: new Date()};
 };
 
 export const reactivateUser = (userId: string): IdResponse => {
+  updateUserStatusOfOrganizationById(userId, 'ACTIVE');
   patchUser(userId, () => ({registrationStatus: 'ACTIVE'}));
   return {id: userId, changedDate: new Date()};
 };
diff --git a/authority-portal-frontend/src/app/pages/authority-organization-detail-page/authority-organization-detail-page/authority-organization-detail-page.component.ts b/authority-portal-frontend/src/app/pages/authority-organization-detail-page/authority-organization-detail-page/authority-organization-detail-page.component.ts
index f98488b9..8d6b3120 100644
--- a/authority-portal-frontend/src/app/pages/authority-organization-detail-page/authority-organization-detail-page/authority-organization-detail-page.component.ts
+++ b/authority-portal-frontend/src/app/pages/authority-organization-detail-page/authority-organization-detail-page/authority-organization-detail-page.component.ts
@@ -278,7 +278,7 @@ export class AuthorityOrganizationDetailPageComponent
                       this.store.dispatch(RefreshOrganizations);
                     } else {
                       this.store
-                        .dispatch(RefreshOrganization)
+                        .dispatch(new RefreshOrganization())
                         .pipe(take(1))
                         .subscribe(() => {
                           this.slideOverService.setSlideOverViews(
diff --git a/authority-portal-frontend/src/app/pages/authority-organization-detail-page/state/authority-organization-detail-page-actions.ts b/authority-portal-frontend/src/app/pages/authority-organization-detail-page/state/authority-organization-detail-page-actions.ts
index c41e96ef..79b9cd82 100644
--- a/authority-portal-frontend/src/app/pages/authority-organization-detail-page/state/authority-organization-detail-page-actions.ts
+++ b/authority-portal-frontend/src/app/pages/authority-organization-detail-page/state/authority-organization-detail-page-actions.ts
@@ -20,6 +20,7 @@ export class SetOrganizationId {
 
 export class RefreshOrganization {
   static readonly type = `[${tag}] Refresh Organization`;
+  constructor(public cb?: () => void) {}
 }
 
 export class ApproveOrganization {
diff --git a/authority-portal-frontend/src/app/pages/authority-organization-detail-page/state/authority-organization-detail-page-state-impl.ts b/authority-portal-frontend/src/app/pages/authority-organization-detail-page/state/authority-organization-detail-page-state-impl.ts
index 33890f04..6de7c506 100644
--- a/authority-portal-frontend/src/app/pages/authority-organization-detail-page/state/authority-organization-detail-page-state-impl.ts
+++ b/authority-portal-frontend/src/app/pages/authority-organization-detail-page/state/authority-organization-detail-page-state-impl.ts
@@ -29,6 +29,7 @@ import {SlideOverService} from 'src/app/core/services/slide-over.service';
 import {Fetched} from 'src/app/core/utils/fetched';
 import {ToastService} from 'src/app/shared/common/toast-notifications/toast.service';
 import {RefreshOrganizations} from '../../authority-organization-list-page/authority-organization-list-page/state/authority-organization-list-page-actions';
+import {AuthorityOrganizationDetailTab} from '../authority-organization-detail-page/authority-organization-detail-page.model';
 import {
   ApproveOrganization,
   DeactivateUser,
@@ -82,6 +83,7 @@ export class AuthorityOrganizationDetailPageStateImpl {
   @Action(RefreshOrganization, {cancelUncompleted: true})
   onRefreshOrganization(
     ctx: StateContext<AuthorityOrganizationDetailPageState>,
+    action: RefreshOrganization,
   ): Observable<never> {
     return this.globalStateUtils.getDeploymentEnvironmentId().pipe(
       switchMap((deploymentEnvironmentId) =>
@@ -91,7 +93,9 @@ export class AuthorityOrganizationDetailPageStateImpl {
         ),
       ),
       Fetched.wrap({failureMessage: 'Failed loading organizations'}),
-      tap((organization) => this.organizationRefreshed(ctx, organization)),
+      tap((organization) =>
+        this.organizationRefreshed(ctx, organization, action.cb),
+      ),
       ignoreElements(),
     );
   }
@@ -99,12 +103,16 @@ export class AuthorityOrganizationDetailPageStateImpl {
   private organizationRefreshed(
     ctx: StateContext<AuthorityOrganizationDetailPageState>,
     organization: Fetched<OrganizationDetailsDto>,
+    cb?: () => void,
   ) {
     this.globalStateUtils.updateNestedProperty(
       ctx,
       'organizationDetail.organization',
       organization,
     );
+    if (cb) {
+      cb();
+    }
   }
 
   @Action(ApproveOrganization)
@@ -251,6 +259,13 @@ export class AuthorityOrganizationDetailPageStateImpl {
     );
   }
 
+  redirectToMembersTab() {
+    this.slideOverService.setSlideOverViews(
+      {viewName: AuthorityOrganizationDetailTab.MEMBERS},
+      {viewName: AuthorityOrganizationDetailTab.DETAIL},
+    );
+  }
+
   @Action(DeactivateUser)
   onDeactivateUser(
     ctx: StateContext<AuthorityOrganizationDetailPageState>,
@@ -275,13 +290,19 @@ export class AuthorityOrganizationDetailPageStateImpl {
         this.toast.showSuccess(`User deactivated successfully`);
         this.organizationUserRefreshed(ctx, Fetched.ready(data));
       }),
-      finalize(() =>
-        this.globalStateUtils.updateNestedProperty(
+      finalize(() => {
+        ctx.dispatch(
+          new RefreshOrganization(() => {
+            this.redirectToMembersTab();
+          }),
+        );
+
+        return this.globalStateUtils.updateNestedProperty(
           ctx,
           'openedUserDetail.busy',
           false,
-        ),
-      ),
+        );
+      }),
       ignoreElements(),
     );
   }
@@ -310,13 +331,18 @@ export class AuthorityOrganizationDetailPageStateImpl {
         this.toast.showSuccess(`User re-activated successfully`);
         this.organizationUserRefreshed(ctx, Fetched.ready(data));
       }),
-      finalize(() =>
-        this.globalStateUtils.updateNestedProperty(
+      finalize(() => {
+        ctx.dispatch(
+          new RefreshOrganization(() => {
+            this.redirectToMembersTab();
+          }),
+        );
+        return this.globalStateUtils.updateNestedProperty(
           ctx,
           'openedUserDetail.busy',
           false,
-        ),
-      ),
+        );
+      }),
       ignoreElements(),
     );
   }