---
title: "Logging in to the 12d Synergy Administration and Client Applications"
slug: "loggingintothe12dsynergyadministrationandclientapplications"
tags: ["access permissions", "login credentials", "Remember Username and password", "Reset password", "select server", "unlock user", "user authentication", "user credentials", "user security"]
updated: 2026-03-05T05:39:19Z
published: 2026-03-05T05:39:19Z
---

> ## 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.

# Logging in to the 12d Synergy Administration and Client Applications

You can log in to the **12d Synergy Administration** and **Client**applications using one of the following three modes of user authentication. The login process depends on the authentication mode you select.

- Windows Authentication
- Custom Authentication
- Single Sign On

### 1.1. How to Log in to the 12d Synergy Administration Application

Admin Content

> [!NOTE]
> You must have administrative rights to log in to the **12d Synergy Administration**application. If you do not have these rights, the following prompt is displayed.
> 
> ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/loggingintothe12dsynergyadministrationapplication-1.doc-image-rovdzvxd.jpg)
> 
>   
> 
> Please check with your 12d Synergy Administrator for more information.

1. Double-click the **12d Synergy Administration** ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/loggingintothe12dsynergyadministrationapplication-1.doc-image-dcpxkdih.jpg)icon. The following prompt is displayed. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/loggingintothe12dsynergyadministrationapplication-1.doc-image-i3gekl3x.jpg)
2. Enter or select the name of the server you have to connect to in the **Server:**box/list.

> [!NOTE]
> You can [configure your server](/v1/docs/migrating-the-12d-synergy-server#111-updating-server-addresses) by clicking the **Servers**button.
3. Click the **Connect**button. The following **Login for <*server name*>** dialog is displayed. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/loggingintothe12dsynergyadministrationapplication-1.doc-image-m9j3c42o.jpg)

  - If you have previously logged in as a [Custom or Windows User](https://help.12dsynergy.com/docs/v5userauthentication), then both the **User name**and **Password**boxes are displayed in the **Login for <*server name*>** dialog window. ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/loggingintothe12dsynergyadministrationapplication-1.doc-image-2n4ytqnd.jpg)
  - [Windows and Custom authentication users](https://help.12dsynergy.com/docs/v5userauthentication) may be required to provide a second level of authentication during the login process. Your 12d Synergy Administrator configures this authentication that happens either via email or a secondary device. You can read more about two-factor authentication [here](https://help.12dsynergy.com/docs/two-factorauthenticationfor12dsynergyusers-1doc).
  - If you have selected the **Remember username and password**checkbox in your previous login attempt, then the login credentials are displayed in the appropriate boxes in the **Login for <*server name*>** dialog window.
4. Enter your login credentials accordingly.

> [!NOTE]
> If you, the 12d Synergy Administrator, have chosen custom authentication for logging into the 12d Synergy applications, and have exceeded the set number of maximum incorrect login attempts, then you get locked out of the 12d Synergy Administration application. Then any other user with System Administration rights can unlock you.
5. Select the **Remember Username and password** check box if you want the system to remember your login details for subsequent logins.
6. Click the **Next**button.

> [!NOTE]
> Click the **Use SSO Login** button to log in as a [Single Sign On user](https://help.12dsynergy.com/docs/v5userauthentication) and refer to the [Login procedure mentioned here](https://help.12dsynergy.com/docs/v5logginginusingssoauthentication).
7. Click the **Login**button. The login credentials are verified, and the **12d Synergy Administration** application is displayed.

### 1.2. How to Log in to the 12d Synergy Client Application

Client Content

1. Double-click the **12d Synergy Client** <***version number***> ![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/12dsc.png)icon. The following prompt is displayed.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/12dsc1.png)

> [!NOTE]
> You can [configure your server by clicking the **Servers**button](/v1/docs/migrating-the-12d-synergy-server#111-updating-server-addresses).
2. Enter or select the name of the server you have to connect to in the **Server:** box/list.
3. Click the **Connect**button. The following **Login for <*Server name*>** dialog is displayed.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/login12dsc.png)

  - If you have previously logged in as a **Custom**or **Windows**User, then both, **User name**and **Password**in the **Login for <*Server name*>** dialog, are displayed.

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/login12dsc1(1).png)
  - If you have selected the **Remember username and password**checkbox in your previous login attempt, then the login credentials are displayed in the **Login for <*Server name*>** dialog.
  - [](https://support.12dsynergy.com/knowledge/display/1S/Users#Users-UserAuthentication) [](https://support.12dsynergy.com/knowledge/display/1S/Users#Users-UserAuthentication)[Windows and Custom authentication](https://help.12dsynergy.com/docs/v5userauthentication) users may have a second level of authentication in the login process. Your 12d Synergy Administrator configures this authentication that happens either via email or a secondary device. You can read more about two-factor authentication [here](https://help.12dsynergy.com/docs/two-factorauthenticationfor12dsynergyusers-1doc).
4. Enter your login credentials accordingly.

> [!NOTE]
> If you have chosen custom authentication for logging into the 12d Synergy applications and have exceeded the maximum number of incorrect login attempts set by your 12d Synergy Administrator, then your account gets locked. Your 12d Synergy Administrator can then unlock you using the 12d Synergy Administration application.
5. Select the **Remember Username and password**check box if you want the system to remember your login details for subsequent logins.
6. Click the **Next**button.

> [!NOTE]
> Click the **Use SSO Login** button to log in as a [Single Sign On user](https://help.12dsynergy.com/docs/v5userauthentication) and refer to the [Login procedure mentioned here](https://help.12dsynergy.com/docs/v5logginginusingssoauthentication).
7. Click the **Login**button. The **12d Synergy Client**application is open with the job you have access to.

> [!NOTE]
> If you do not have access to any job, please check with your 12d Synergy Administrator.
