> 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/server/web-interface/administration/configuration/server-settings/security/multifactor/backup-codes.md).

# Backup codes

Backup codes are validation codes that provide users with one-time access to Devolutions Server when they do not have access to their usual multifactor authentication (MFA) product or device. They must be generated beforehand and kept safe in case of emergency.

An administrator must first enable the option, after which users can generate their backup codes.

### Settings

#### Enable backup codes (administrator)

An administrator must enable backup codes as an alternate MFA method:

1. In ***Administration – Server settings – Multifactor***, check the ***Backup codes*** box, then click ***Configure*** next to the option.

   <figure><img src="https://cdnweb.devolutions.net/docs/docs_en_server_ServerOp7017.png" alt=""><figcaption></figcaption></figure>
2. Set the ***Number of backup codes*** a user can generate, then click ***Save***.

   <figure><img src="https://cdnweb.devolutions.net/docs/docs_en_server_ServerOp7018.png" alt=""><figcaption></figcaption></figure>
3. Click the ***Save*** icon of the ***Multifactor*** section to save your changes.

{% hint style="info" %}
If your ***MFA usage*** is set to ***MFA Optional per User*** , you must configure MFA for each user before they can generate backup codes. See [Multifactor (Edit User)](https://docs.devolutions.net/server/web-interface/administration/security-management/users/edit-user-two-factor/) for more details.
{% endhint %}

#### Generate backup codes (user)

1. To generate backup codes, click on your avatar in the Devolutions Server side menu, then click ***Edit your Account***.

   <figure><img src="https://cdnweb.devolutions.net/docs/docs_en_server_ServerOp7020.png" alt=""><figcaption></figcaption></figure>
2. Go to ***Alternate MFA*** and click on ***Generate backup codes***. A list of backup codes will be displayed. The user can copy and paste the codes and store them somewhere secure in case of emergency.

   <figure><img src="https://cdnweb.devolutions.net/docs/docs_en_server_ServerOp7021.png" alt=""><figcaption></figcaption></figure>

#### See also

* [Devolutions Academy – Enforce MFA for users from Devolutions Server web interface](https://academy.devolutions.net/student/page/2747690-enforce-mfa-for-users-from-devolutions-server-web-interface?curriculum_activity_id=4182448\&path_id=2628397\&sid=8d455496-2d95-447f-9246-9311ad0fcf8b\&sid_i=0)


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