diff --git a/projects/aca-shared/rules/src/app.rules.ts b/projects/aca-shared/rules/src/app.rules.ts
index 2f766e4e2..dfbff769e 100644
--- a/projects/aca-shared/rules/src/app.rules.ts
+++ b/projects/aca-shared/rules/src/app.rules.ts
@@ -26,6 +26,7 @@
 import { RuleContext } from '@alfresco/adf-extensions';
 import * as navigation from './navigation.rules';
 import * as repository from './repository.rules';
+import { isAdmin } from './user.rules';
 
 export interface AcaRuleContext extends RuleContext {
   withCredentials: boolean;
@@ -81,7 +82,10 @@ export function canShareFile(context: RuleContext): boolean {
  * JSON ref: `canToggleJoinLibrary`
  */
 export function canToggleJoinLibrary(context: RuleContext): boolean {
-  return [hasLibrarySelected(context), !isPrivateLibrary(context), hasNoLibraryRole(context)].every(Boolean);
+  return (
+    [hasLibrarySelected(context), !isPrivateLibrary(context), hasNoLibraryRole(context)].every(Boolean) ||
+    [hasLibrarySelected(context), isPrivateLibrary(context), hasNoLibraryRole(context), isAdmin(context)].every(Boolean)
+  );
 }
 
 /**
diff --git a/projects/aca-shared/store/src/actions/library.actions.ts b/projects/aca-shared/store/src/actions/library.actions.ts
index dcd03c509..c2de77ce8 100644
--- a/projects/aca-shared/store/src/actions/library.actions.ts
+++ b/projects/aca-shared/store/src/actions/library.actions.ts
@@ -31,7 +31,8 @@ export enum LibraryActionTypes {
   Create = 'CREATE_LIBRARY',
   Navigate = 'NAVIGATE_LIBRARY',
   Update = 'UPDATE_LIBRARY',
-  Leave = 'LEAVE_LIBRARY'
+  Leave = 'LEAVE_LIBRARY',
+  Reload = 'RELOAD_LIBRARY'
 }
 
 export class DeleteLibraryAction implements Action {
@@ -61,3 +62,6 @@ export class LeaveLibraryAction implements Action {
 
   constructor(public payload?: string) {}
 }
+export class ReloadLibraryAction implements Action {
+  readonly type = LibraryActionTypes.Reload;
+}
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index f9b261723..cb0398323 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -79,7 +79,7 @@ export class AppComponent implements OnInit, OnDestroy {
 
   ngOnInit() {
     this.alfrescoApiService.getInstance().on('error', (error: { status: number; response: any }) => {
-      if (error.status === 401 && !this.alfrescoApiService.isExcludedErrorListener(error?.response?.req?.url)) {
+      if (error.status === 401) {
         if (!this.authenticationService.isLoggedIn()) {
           this.store.dispatch(new CloseModalDialogsAction());
 
diff --git a/src/app/components/toolbar/toggle-join-library/toggle-join-library-button.component.ts b/src/app/components/toolbar/toggle-join-library/toggle-join-library-button.component.ts
index 256cb66f8..7a75db584 100644
--- a/src/app/components/toolbar/toggle-join-library/toggle-join-library-button.component.ts
+++ b/src/app/components/toolbar/toggle-join-library/toggle-join-library-button.component.ts
@@ -23,8 +23,16 @@
  * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
  */
 
-import { AppStore, SetSelectedNodesAction, SnackbarErrorAction, SnackbarInfoAction, getAppSelection } from '@alfresco/aca-shared/store';
-import { SelectionState } from '@alfresco/adf-extensions';
+import {
+  AppStore,
+  SetSelectedNodesAction,
+  SnackbarErrorAction,
+  SnackbarInfoAction,
+  getAppSelection,
+  getUserProfile,
+  ReloadLibraryAction
+} from '@alfresco/aca-shared/store';
+import { ProfileState, SelectionState } from '@alfresco/adf-extensions';
 import { Component, ViewEncapsulation } from '@angular/core';
 import { Store } from '@ngrx/store';
 import { Observable } from 'rxjs';
@@ -41,6 +49,7 @@ import { ContentManagementService } from '../../../services/content-management.s
       (toggle)="onToggleEvent($event)"
       (error)="onErrorEvent($event)"
       [acaLibraryMembership]="(selection$ | async).library"
+      [isAdmin]="(profile$ | async).isAdmin"
       [attr.title]="(membership.isJoinRequested | async) ? ('APP.ACTIONS.CANCEL_JOIN' | translate) : ('APP.ACTIONS.JOIN' | translate)"
     >
       <mat-icon *ngIf="membership.isJoinRequested | async">cancel</mat-icon>
@@ -52,9 +61,11 @@ import { ContentManagementService } from '../../../services/content-management.s
 })
 export class ToggleJoinLibraryButtonComponent {
   selection$: Observable<SelectionState>;
+  profile$: Observable<ProfileState>;
 
   constructor(private store: Store<AppStore>, private content: ContentManagementService) {
     this.selection$ = this.store.select(getAppSelection);
+    this.profile$ = this.store.select(getUserProfile);
   }
 
   onToggleEvent(event: LibraryMembershipToggleEvent) {
@@ -62,6 +73,7 @@ export class ToggleJoinLibraryButtonComponent {
 
     if (event.shouldReload) {
       this.content.libraryJoined.next();
+      this.store.dispatch(new ReloadLibraryAction());
     } else {
       if (event.updatedEntry) {
         this.store.dispatch(new SetSelectedNodesAction([{ entry: event.updatedEntry, isLibrary: true } as any]));
diff --git a/src/app/components/toolbar/toggle-join-library/toggle-join-library.component.spec.ts b/src/app/components/toolbar/toggle-join-library/toggle-join-library.component.spec.ts
index 7e904ac2c..eaeec0b4e 100644
--- a/src/app/components/toolbar/toggle-join-library/toggle-join-library.component.spec.ts
+++ b/src/app/components/toolbar/toggle-join-library/toggle-join-library.component.spec.ts
@@ -29,7 +29,7 @@ import { AlfrescoApiService, AlfrescoApiServiceMock } from '@alfresco/adf-core';
 import { LibraryMembershipDirective } from '../../../directives/library-membership.directive';
 import { Store } from '@ngrx/store';
 import { NO_ERRORS_SCHEMA } from '@angular/core';
-import { SnackbarErrorAction, SnackbarInfoAction } from '@alfresco/aca-shared/store';
+import { ReloadLibraryAction, SnackbarErrorAction, SnackbarInfoAction } from '@alfresco/aca-shared/store';
 import { AppTestingModule } from '../../../testing/app-testing.module';
 import { ContentManagementService } from '../../../services/content-management.service';
 import { ToggleJoinLibraryButtonComponent } from './toggle-join-library-button.component';
@@ -98,6 +98,13 @@ describe('ToggleJoinLibraryComponent', () => {
     expect(storeMock.dispatch).toHaveBeenCalledWith(new SnackbarInfoAction(event.i18nKey));
   });
 
+  it('should dispatch `ReloadLibraryAction` action on onToggleEvent', () => {
+    const event = { shouldReload: true, i18nKey: 'SOME_i18nKey' };
+    component.onToggleEvent(event);
+
+    expect(storeMock.dispatch).toHaveBeenCalledWith(new ReloadLibraryAction());
+  });
+
   it('should call libraryJoined.next on contentManagementService onToggleEvent', (done) => {
     spyOn(contentManagementService.libraryJoined, 'next').and.callThrough();
 
diff --git a/src/app/directives/library-membership.directive.spec.ts b/src/app/directives/library-membership.directive.spec.ts
index 2b7b386f8..1326d7162 100644
--- a/src/app/directives/library-membership.directive.spec.ts
+++ b/src/app/directives/library-membership.directive.spec.ts
@@ -24,18 +24,19 @@
  */
 
 import { fakeAsync, TestBed, tick } from '@angular/core/testing';
-import { AlfrescoApiService, AlfrescoApiServiceMock, AppConfigService, CoreModule, StorageService } from '@alfresco/adf-core';
+import { AlfrescoApiService, AlfrescoApiServiceMock, AppConfigService, CoreModule, SitesService, StorageService } from '@alfresco/adf-core';
 import { AppTestingModule } from '../testing/app-testing.module';
 import { DirectivesModule } from './directives.module';
 import { LibraryMembershipDirective } from './library-membership.directive';
 import { NO_ERRORS_SCHEMA, SimpleChange } from '@angular/core';
-import { throwError } from 'rxjs';
+import { of, throwError } from 'rxjs';
 import { TranslateModule } from '@ngx-translate/core';
 
 describe('LibraryMembershipDirective', () => {
   let alfrescoApiService: AlfrescoApiService;
   let directive: LibraryMembershipDirective;
   let peopleApi;
+  let sitesService;
   let addMembershipSpy;
   let getMembershipSpy;
   let deleteMembershipSpy;
@@ -58,8 +59,9 @@ describe('LibraryMembershipDirective', () => {
       schemas: [NO_ERRORS_SCHEMA]
     });
     alfrescoApiService = new AlfrescoApiServiceMock(new AppConfigService(null), new StorageService());
+    sitesService = new SitesService(alfrescoApiService);
     peopleApi = alfrescoApiService.getInstance().core.peopleApi;
-    directive = new LibraryMembershipDirective(alfrescoApiService);
+    directive = new LibraryMembershipDirective(alfrescoApiService, sitesService);
   });
 
   describe('markMembershipRequest', () => {
@@ -141,6 +143,19 @@ describe('LibraryMembershipDirective', () => {
       expect(deleteMembershipSpy).not.toHaveBeenCalled();
     }));
 
+    it('should call API to add user to library if admin user', fakeAsync(() => {
+      const createSiteMembershipSpy = spyOn(sitesService, 'createSiteMembership').and.returnValue(of({}));
+      const selection = { entry: { id: 'no-membership-requested' } };
+      const selectionChange = new SimpleChange(null, selection, true);
+      directive.isAdmin = true;
+      directive.ngOnChanges({ selection: selectionChange });
+      tick();
+      directive.toggleMembershipRequest();
+      tick();
+      expect(createSiteMembershipSpy).toHaveBeenCalled();
+      expect(addMembershipSpy).not.toHaveBeenCalled();
+    }));
+
     it('should emit error when the request to join a library fails', fakeAsync(() => {
       spyOn(directive.error, 'emit');
       addMembershipSpy.and.returnValue(throwError('err'));
diff --git a/src/app/directives/library-membership.directive.ts b/src/app/directives/library-membership.directive.ts
index c6a393f02..c97fb96e7 100644
--- a/src/app/directives/library-membership.directive.ts
+++ b/src/app/directives/library-membership.directive.ts
@@ -24,8 +24,8 @@
  */
 
 import { Directive, EventEmitter, HostListener, Input, OnChanges, Output, SimpleChanges } from '@angular/core';
-import { SiteEntry, SiteMembershipRequestBody } from '@alfresco/js-api';
-import { AlfrescoApiService } from '@alfresco/adf-core';
+import { SiteEntry, SiteMemberEntry, SiteMembershipRequestBody } from '@alfresco/js-api';
+import { AlfrescoApiService, SitesService } from '@alfresco/adf-core';
 import { BehaviorSubject, from } from 'rxjs';
 
 export interface LibraryMembershipToggleEvent {
@@ -52,6 +52,10 @@ export class LibraryMembershipDirective implements OnChanges {
   @Input('acaLibraryMembership')
   selection: SiteEntry = null;
 
+  /** Site for which to toggle the membership request. */
+  @Input()
+  isAdmin = false;
+
   @Output()
   toggle = new EventEmitter<LibraryMembershipToggleEvent>();
 
@@ -64,7 +68,7 @@ export class LibraryMembershipDirective implements OnChanges {
     this.toggleMembershipRequest();
   }
 
-  constructor(private alfrescoApiService: AlfrescoApiService) {}
+  constructor(private alfrescoApiService: AlfrescoApiService, private sitesService: SitesService) {}
 
   ngOnChanges(changes: SimpleChanges) {
     if (!changes.selection.currentValue || !changes.selection.currentValue.entry) {
@@ -103,7 +107,7 @@ export class LibraryMembershipDirective implements OnChanges {
       );
     }
 
-    if (!this.targetSite.joinRequested) {
+    if (!this.targetSite.joinRequested && !this.isAdmin) {
       this.joinLibraryRequest().subscribe(
         (createdMembership) => {
           this.targetSite.joinRequested = true;
@@ -145,6 +149,39 @@ export class LibraryMembershipDirective implements OnChanges {
         }
       );
     }
+
+    if (this.isAdmin) {
+      this.joinLibrary().subscribe(
+        (createdMembership: SiteMemberEntry) => {
+          if (createdMembership.entry && createdMembership.entry.role) {
+            const info = {
+              shouldReload: true,
+              i18nKey: 'APP.MESSAGES.INFO.JOINED'
+            };
+            this.toggle.emit(info);
+          }
+        },
+        (error) => {
+          const errWithMessage = {
+            error,
+            i18nKey: 'APP.MESSAGES.ERRORS.JOIN_REQUEST_FAILED'
+          };
+
+          const senderEmailCheck = 'Failed to resolve sender mail address';
+          const receiverEmailCheck = 'All recipients for the mail action were invalid';
+
+          if (error.message) {
+            if (error.message.includes(senderEmailCheck)) {
+              errWithMessage.i18nKey = 'APP.MESSAGES.ERRORS.INVALID_SENDER_EMAIL';
+            } else if (error.message.includes(receiverEmailCheck)) {
+              errWithMessage.i18nKey = 'APP.MESSAGES.ERRORS.INVALID_RECEIVER_EMAIL';
+            }
+          }
+
+          this.error.emit(errWithMessage);
+        }
+      );
+    }
   }
 
   markMembershipRequest() {
@@ -174,6 +211,13 @@ export class LibraryMembershipDirective implements OnChanges {
     return from(this.alfrescoApiService.peopleApi.addSiteMembershipRequest('-me-', memberBody));
   }
 
+  private joinLibrary() {
+    return this.sitesService.createSiteMembership(this.targetSite.id, {
+      role: 'SiteConsumer',
+      id: '-me-'
+    });
+  }
+
   private cancelJoinRequest() {
     return from(this.alfrescoApiService.peopleApi.removeSiteMembershipRequest('-me-', this.targetSite.id));
   }
diff --git a/src/app/store/effects/library.effects.ts b/src/app/store/effects/library.effects.ts
index abb833f0b..eee1dd424 100644
--- a/src/app/store/effects/library.effects.ts
+++ b/src/app/store/effects/library.effects.ts
@@ -33,7 +33,8 @@ import {
   NavigateRouteAction,
   SnackbarErrorAction,
   UpdateLibraryAction,
-  getAppSelection
+  getAppSelection,
+  ReloadLibraryAction
 } from '@alfresco/aca-shared/store';
 import { Injectable } from '@angular/core';
 import { Actions, Effect, ofType } from '@ngrx/effects';
@@ -86,6 +87,7 @@ export class LibraryEffects {
             }
           });
       }
+      this.store.dispatch(new ReloadLibraryAction());
     })
   );