diff --git a/myteamwallet_frontend_modern/src/app/features/users/users.html b/myteamwallet_frontend_modern/src/app/features/users/users.html
index c04da1c..ef1e9a2 100644
--- a/myteamwallet_frontend_modern/src/app/features/users/users.html
+++ b/myteamwallet_frontend_modern/src/app/features/users/users.html
@@ -15,10 +15,11 @@
         type="search"
         name="directorySearch"
         [value]="searchDraft()"
+        [disabled]="assignmentBusyUserId() !== null"
         (input)="searchDraft.set($any($event.target).value)"
       />
     </mat-form-field>
-    <button mat-stroked-button type="submit" [disabled]="loading()">Suchen</button>
+    <button mat-stroked-button type="submit" [disabled]="loading() || assignmentBusyUserId() !== null">Suchen</button>
   </form>
 
   @if (mutationError()) {
@@ -138,11 +139,21 @@
     </div>
 
     <nav class="pagination" aria-label="Benutzerseiten">
-      <button mat-button type="button" [disabled]="directory()!.page <= 1 || loading()" (click)="previousPage()">
+      <button
+        mat-button
+        type="button"
+        [disabled]="directory()!.page <= 1 || loading() || assignmentBusyUserId() !== null"
+        (click)="previousPage()"
+      >
         <mat-icon>chevron_left</mat-icon>Zurück
       </button>
       <span>Seite {{ directory()!.page }} · {{ directory()!.total }} Benutzer</span>
-      <button mat-button type="button" [disabled]="!directory()!.hasNextPage || loading()" (click)="nextPage()">
+      <button
+        mat-button
+        type="button"
+        [disabled]="!directory()!.hasNextPage || loading() || assignmentBusyUserId() !== null"
+        (click)="nextPage()"
+      >
         Weiter<mat-icon>chevron_right</mat-icon>
       </button>
     </nav>
diff --git a/myteamwallet_frontend_modern/src/app/features/users/users.spec.ts b/myteamwallet_frontend_modern/src/app/features/users/users.spec.ts
index fa7e367..867217d 100644
--- a/myteamwallet_frontend_modern/src/app/features/users/users.spec.ts
+++ b/myteamwallet_frontend_modern/src/app/features/users/users.spec.ts
@@ -474,6 +474,80 @@ describe('Users directory', () => {
     http.expectOne(`${adminApi}/players?assignment=all&page=1&limit=20`).flush(playersPage());
   });
 
+  it('blocks directory search and paging while an assignment mutation is pending, then restores them', () => {
+    isAdmin.set(true);
+    create();
+    http.expectOne(`${api}?page=1&limit=20`).flush(directoryPage([ada], 1, 60, true));
+    fixture.detectChanges();
+    button('Weiter').click();
+    http.expectOne(`${api}?page=2&limit=20`).flush(directoryPage([ada], 2, 60, true));
+    fixture.detectChanges();
+    button('Zuordnungen verwalten').click();
+    fixture.detectChanges();
+    http.expectOne(`${adminApi}/players?assignment=all&page=1&limit=20`).flush(
+      playersPage({
+        data: [
+          {
+            id: 101,
+            firstName: 'Ada',
+            lastName: 'Lovelace',
+            active: true,
+            team: { id: 5, name: 'First Team', alias: 'first' },
+            currentUser: { id: 7, firstName: 'Ada', lastName: 'Lovelace', status: { id: 1, name: 'Active' } },
+          },
+        ],
+      }),
+    );
+    fixture.detectChanges();
+    childButton(
+      (fixture.nativeElement as HTMLElement).querySelector<HTMLElement>('app-player-assignments')!,
+      'Verknüpfung lösen',
+    ).click();
+    closeDialog.next(true);
+    fixture.detectChanges();
+    const unlink = http.expectOne(`${adminApi}/7/players/101`);
+
+    const directoryForm = (fixture.nativeElement as HTMLElement).querySelector<HTMLFormElement>('.directory-search')!;
+    const directorySearch = directoryForm.querySelector<HTMLInputElement>('input[type="search"]')!;
+    const directorySearchButton = directoryForm.querySelector<HTMLButtonElement>('button[type="submit"]')!;
+    const paging = (fixture.nativeElement as HTMLElement).querySelector<HTMLElement>('nav.pagination')!;
+    const [previous, next] = [...paging.querySelectorAll<HTMLButtonElement>('button')];
+    const controlsWereBlocked = directorySearch.disabled && directorySearchButton.disabled && previous.disabled && next.disabled;
+
+    directorySearch.value = 'Other';
+    directorySearch.dispatchEvent(new Event('input'));
+    directoryForm.dispatchEvent(new Event('submit'));
+    previous.click();
+    next.click();
+    fixture.detectChanges();
+    const unexpectedQueries = http.match((request) => request.url.startsWith(api));
+    const mutationStayedActive = !unlink.cancelled;
+
+    if (controlsWereBlocked && unexpectedQueries.length === 0 && mutationStayedActive) {
+      unlink.flush(ada);
+      http.expectOne(`${api}?page=2&limit=20`).flush(directoryPage([ada], 2, 60, true));
+      http.expectOne(`${adminApi}/players?assignment=all&page=1&limit=20`).flush(playersPage());
+      fixture.detectChanges();
+      expect(directorySearch.disabled).toBe(false);
+      expect(directorySearchButton.disabled).toBe(false);
+      expect(previous.disabled).toBe(false);
+      expect(next.disabled).toBe(false);
+      directoryForm.dispatchEvent(new Event('submit'));
+      http.expectOne(`${api}?page=1&limit=20&search=Other`).flush(directoryPage([]));
+    } else {
+      for (const query of unexpectedQueries) query.flush(directoryPage([ada], 1, 60, true));
+      fixture.detectChanges();
+      if (!unlink.cancelled) unlink.flush(ada);
+      for (const playerLoad of http.match((request) => request.url.startsWith(`${adminApi}/players`))) {
+        playerLoad.flush(playersPage());
+      }
+    }
+
+    expect(controlsWereBlocked).toBe(true);
+    expect(unexpectedQueries).toHaveLength(0);
+    expect(mutationStayedActive).toBe(true);
+  });
+
   it('shows a persistent explanation for disabled self-deactivation', () => {
     isAdmin.set(true);
     currentUser.set({ id: 1, firstName: 'Grace', lastName: 'Admin', role: { id: 1 } });
diff --git a/myteamwallet_frontend_modern/src/app/features/users/users.ts b/myteamwallet_frontend_modern/src/app/features/users/users.ts
index 47e8278..ab30355 100644
--- a/myteamwallet_frontend_modern/src/app/features/users/users.ts
+++ b/myteamwallet_frontend_modern/src/app/features/users/users.ts
@@ -90,6 +90,7 @@ export class Users {
   }
 
   protected submitSearch(): void {
+    if (this.assignmentBusyUserId() !== null) return;
     const search = this.searchDraft().trim();
     if (this.loading() && search === this.search() && this.page() === 1) return;
     this.search.set(search);
@@ -98,13 +99,13 @@ export class Users {
   }
 
   protected previousPage(): void {
-    if (this.page() <= 1 || this.loading()) return;
+    if (this.page() <= 1 || this.loading() || this.assignmentBusyUserId() !== null) return;
     this.page.update((value) => value - 1);
     this.loadDirectory();
   }
 
   protected nextPage(): void {
-    if (!this.directory()?.hasNextPage || this.loading()) return;
+    if (!this.directory()?.hasNextPage || this.loading() || this.assignmentBusyUserId() !== null) return;
     this.page.update((value) => value + 1);
     this.loadDirectory();
   }