diff --git a/backend/core/src/main/java/org/opencdmp/service/user/UserServiceImpl.java b/backend/core/src/main/java/org/opencdmp/service/user/UserServiceImpl.java
index 839310d47..c863e0409 100644
--- a/backend/core/src/main/java/org/opencdmp/service/user/UserServiceImpl.java
+++ b/backend/core/src/main/java/org/opencdmp/service/user/UserServiceImpl.java
@@ -1058,6 +1058,10 @@ public class UserServiceImpl implements UserService {
         if (userInviteToTenantRequest == null)
             throw new MyNotFoundException(this.messageSource.getMessage("General_ItemNotFound", new Object[]{action.getId(), UserInviteToTenantRequestEntity.class.getSimpleName()}, LocaleContextHolder.getLocale()));
 
+        UserContactInfoEntity contactInfoEntity = this.queryFactory.query(UserContactInfoQuery.class).disableTracking().userIds(this.userScope.getUserId()).values(userInviteToTenantRequest.getEmail()).types(ContactInfoType.Email).first();
+        if (contactInfoEntity == null){
+            throw new MyValidationException(this.errors.getAnotherUserToken().getCode(), this.errors.getAnotherUserToken().getMessage());
+        }
         TenantEntity tenantEntity = null;
         if (!userInviteToTenantRequest.getTenantCode().equals(this.tenantScope.getTenantCode())) {
             tenantEntity = this.queryFactory.query(TenantQuery.class).disableTracking().authorize(AuthorizationFlags.AllExceptPublic).codes(userInviteToTenantRequest.getTenantCode()).isActive(IsActive.Active).first();
diff --git a/frontend/src/app/ui/auth/login/user-invite-confirmation/user-invite-confirmation.component.ts b/frontend/src/app/ui/auth/login/user-invite-confirmation/user-invite-confirmation.component.ts
index a57f65932..5c9236928 100644
--- a/frontend/src/app/ui/auth/login/user-invite-confirmation/user-invite-confirmation.component.ts
+++ b/frontend/src/app/ui/auth/login/user-invite-confirmation/user-invite-confirmation.component.ts
@@ -1,6 +1,7 @@
 import { HttpErrorResponse } from '@angular/common/http';
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
+import { AuthService } from '@app/core/services/auth/auth.service';
 import { SnackBarNotificationLevel } from '@app/core/services/notification/ui-notification-service';
 import { RouterUtilsService } from '@app/core/services/router/router-utils.service';
 import { UserService } from '@app/core/services/user/user.service';
@@ -28,6 +29,7 @@ export class UserInviteConfirmation extends BaseComponent implements OnInit {
 		private router: Router,
 		private language: TranslateService,
 		private routerUtils: RouterUtilsService,
+		private authentication: AuthService,
 		private httpErrorHandlingService: HttpErrorHandlingService
 	) { super(); }
 
@@ -46,13 +48,23 @@ export class UserInviteConfirmation extends BaseComponent implements OnInit {
 	onConfirm(): void {
 		if (this.showForm === false) return;
 
-		this.userService.confirmInviteUser(this.token)
+		if(this.isAuthenticated()){
+			this.userService.confirmInviteUser(this.token)
 			.subscribe(result => {
 				if (result) {
 					this.onCallbackConfirmationSuccess();
 				}
 			},
-				error => this.onCallbackError(error));
+			error => this.onCallbackError(error));
+		} else {
+			let returnUrl = `login/invitation/confirmation/${this.token}`;
+			this.router.navigate([this.routerUtils.generateUrl('login')], {queryParams:{returnUrl: this.routerUtils.generateUrl(returnUrl)}});	
+		}
+		
+	}
+
+	public isAuthenticated(): boolean {
+		return this.authentication.currentAccountIsAuthenticated();
 	}
 
 	onCallbackConfirmationSuccess() {