---
title: "Registering the Entra ID application"
slug: "registeringtheentraidapplication"
tags: ["Azure portal", "Microsoft Entra", "Register application in Azure", "Configure platforms", "API permissions", "Microsoft 365 Client ID", "Microsoft 365 Tenant ID"]
updated: 2026-01-29T02:34:19Z
published: 2026-01-29T02:34:19Z
canonical: "help.12dsynergy.com/registeringtheentraidapplication"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.12dsynergy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Registering the Entra ID application

Admin Content

> [!NOTE]
> This procedure is required when you choose to authenticate your outgoing emails via an Entra ID application. This feature is available in **12d Synergy version 5.1.7.753** or later.

### 1.1. How to Register the Entra ID Application for Email Authentication

1. Log in to your **Azure** portal and click the **Microsoft Entra** service link.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/1.png)
2. Select **Manage >** **App registrations** link from the left panel and click the **New registration** link.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/appreg.png)

The **Register an application** screen is displayed.
3. Do the following as shown in the image below. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/reg.png)
  1. Enter a name for your application in the **Name** box. Let’s say ***For Email Authentication***.
  2. Select the first option, **Account in this organizational directory only (12dsynergy.com only - Single tenant)**, for your application from the options displayed under **Supported account types** section.
4. Click the **Register** button.
5. Click the **Manage > Authentication** link as displayed in the image below. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/auth(5).png)
6. Click the **Add a platform** link, and then click the **Mobile and desktop applications** option as shown in the image below.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/addaplatform(1).png)

The **Configure desktop + devices** panel is displayed on the right side of the page.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/8.png)
7. Select the checkbox that mentions **nativeclient** in its address. In the example above, it is the first check box.
8. Enter "**http://localhost**" in the **Custom redirect URIs** box.
9. Click the **Configure** button.

The setup for **Mobile and desktop application** is now completed.
10. Click the **Manage >** **API permissions** link displayed in the left panel.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/10.png)
11. As a 12d Synergy Administrator, you need to give consent to the application permissions. For that, firstly we need to add the required permissions. Click the **Add a permission** link.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/addaperm(1).png)

The **Request API permissions** panel is displayed to the right of the page.
12. Click the **Microsoft Graph** option.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/12.png)
13. Click the **Delegated permissions** option.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/delegated.png)
14. In the **Select permissions** section, search for the following permissions and select the checkbox displayed against them.
  1. **Email**
  2. **Offline_access**
  3. **SMTP.Send**
  4. **User.Read**
15. Click the **Add permissions** button. The following page is displayed with the configured permissions.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/grant(1).png)
16. Click the **Grant admin consent for 12dsynergy.com** link, which is highlighted in the above image. A **Grant admin consent** confirmation prompt is displayed.
17. Click the **Yes** button. Once the permissions are granted, the status of the configured permissions is updated as shown below.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/granted.png)
18. Click the **Overview link** in the left panel.

The **Application (client) ID** and **Directory (tenant) ID** are displayed on this page. Make a note of these, as you have to enter them in the **12d Synergy Administration** application.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/overview(1).png)
19. In the **12d Synergy Administration** application, select the **Emails > Email Server** tab.
20. Select the **Exchange Online with Entra ID** from the **Authentication Type** list. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/emailserver2(1).png)
21. Enter the **Directory (tenant) ID** and **Application (client) ID** from step **18** above in the **Entra ID: Tenant ID** and **Entra ID: Client ID** boxes, respectively.
22. Click the **Save Settings** button. The entered settings are saved.
23. Click the **Authenticate with Entra ID** button.

The Entra ID application setup is now complete.
24. Click the **Send Test Email** button to ensure that the settings are accurate. You will receive an email from the **Default Mail Address** in the **Email Server** tab (refer to the image after step 20).