> For the complete documentation index, see [llms.txt](https://docs.devolutions.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devolutions.net/rdm/workspaces/multifactor-authentication/duo.md).
# Duo
Remote Desktop Manager allows you to configure a ***Duo*** authentication to provide an additional security layer when opening a workspace.
{% hint style="info" %}
Before you start the configuration, make sure you have created a Duo account and have also installed the Duo application on your compatible device.
{% endhint %}
{% tabs %}
{% tab title="Windows" %}
1. Log in to the ***Duo Admin Panel***.
2. In ***Applications***, click on ***Protect an Application***.
3. Protect the ***Partner Auth API*** app.
4. If not already done, follow these [multifactor authentication configuration steps](https://docs.devolutions.net/rdm/workspaces/multi-factor-authentication/).
5. After having selected the ***Duo*** MFA type, click ***Duo – General Settings***.
6. All the information necessary to fill in the ***Duo settings*** fields in Remote Desktop Manager will be generated by the Duo account.
7. Copy and paste all the information in the corresponding fields in the ***Duo Settings*** window.
8. Click on ***Check*** to validate the information, then click ***OK*** when done.
9. If there is more than one device connected to the Duo account, click on ***Settings***. If not, skip to step 10.
10. Select the device to use for the multifactor authentication by clicking on ***Use this device***.
11. Select the method by which to receive the Duo Passcode:
* ***Duo push***: The code is "pushed" to your Duo application.
* ***Send SMS***: The code is sent by SMS on the registered phone number.
* ***Phone***: The code is sent by phone call; a computer generated voice will dictate the code.
12. Click ***Save*** to authenticate yourself.
Once you have completed all the steps, you will be prompted with the Duo Authentication every time you connect to your secured workspace.
{% endtab %}
{% tab title="macOS" %}
1. Log in to the ***Duo Admin Panel***.
2. In ***Applications***, click on ***Protect an Application***.
3. Protect the ***Partner Auth API*** app.
4. If not already done, follow these [multifactor authentication configuration steps](https://docs.devolutions.net/rdm/workspaces/multi-factor-authentication/).
5. After having selected the ***Duo*** MFA type, click ***Apply***.
6. All the information necessary to fill in the ***Duo settings*** fields in Remote Desktop Manager will be generated by the Duo account.
7. Copy and paste all the information in the corresponding fields in the ***Duo Settings*** window.
8. Click on ***Check*** to validate the information, then click ***OK*** when done.
9. If there is more than one device connected to the Duo account, click on ***Settings***. If not, skip to step 10.
10. Select the device to use for the multifactor authentication by clicking on ***Use this device***.
11. Select the method by which to receive the Duo Passcode:
* ***Duo push***: The code is "pushed" to your Duo application.
* ***Send SMS***: The code is sent by SMS on the registered phone number.
* ***Phone***: The code is sent by phone call; a computer generated voice will dictate the code.
12. Click ***Save*** to authenticate yourself.
Once you have completed all the steps, you will be prompted with the Duo Authentication every time you connect to your secured workspace.
{% endtab %}
{% endtabs %}
#### See also
* [Configure Multi-factor-authentification in Remote Desktop Manager](https://academy.devolutions.net/student/page/2745736-configure-multi-factor-authentification-in-remote-desktop-manager?curriculum_activity_id=4146028\&path_id=2628397\&sid=6b463cb0-a447-42c1-89fa-4ac51e5a7eaa\&sid_i=0)
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