---
title: "Code for Multi-Factor Authentication Already Used"
description: "Sent when a user enters a multi-factor authentication confirmation code that has already been validated. For more information, see Multi-Factor Authentication."
canonical: "https://helpcenter.veeam.com/docs/vbr/events/event_40207.html"
breadcrumb: "Event Reference > Users > Code for Multi-Factor Authentication Already Used"
dateModified: "2026-10-01"
---

# Code for Multi-Factor Authentication Already Used

Sent when a user enters a multi-factor authentication confirmation code that has already been validated. For more information, see [Multi-Factor Authentication](https://helpcenter.veeam.com/docs/backup/vsphere/mfa.html).

## General Information

**Event ID**: 40207

**Event message details**: An attempt to use already validated MFA code has been performed for `<UserName>`

**Severity**: Info

## Parameters

<table class="Blue_Table">
  <tr style="vertical-align:top">
    <th>
      <p>Parameter Name</p>
    </th>
    <th>
      <p>Description</p>
    </th>
    <th>
      <p>Example</p>
    </th>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">UserName</span></p>
    </td>
    <td>
      Name of the user who performed an operation.
    </td>
    <td>
      <p><span class="T_Filenames">UserName="TECH\user1"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">Endpoint</span></p>
    </td>
    <td>
      <p>Mobile device where the attempt was detected.</p>
    </td>
    <td>
      <p><span class="T_Filenames">Endpoint="[::1]:52182"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">SID</span></p>
    </td>
    <td>
      <p>User security identifier.</p>
    </td>
    <td>
      <p><span class="T_Filenames">SID="S-1-5-21-670747961-1840839389-3357612639-1134"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">VbrHostName</span></p>
    </td>
    <td>
      Backup server name. Can be a DNS name, an FQDN or an IP address.
    </td>
    <td>
      <p><span class="T_Filenames">VbrHostName="vbrsrv01.tech.local"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">VbrVersion</span></p>
    </td>
    <td>
      Veeam Backup & Replication version.
    </td>
    <td>
      <p><span class="T_Filenames">VbrVersion="13.1.0.411"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">Version</span></p>
    </td>
    <td>
      Event version (service parameter).
    </td>
    <td>
      <p><span class="T_Filenames">Version="1"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">Description</span></p>
    </td>
    <td>
      Event message details.
    </td>
    <td>
      <p><span class="T_Filenames">Description="An attempt to use already validated MFA code has been performed for TECH\user1."</span></p>
    </td>
  </tr>
</table>

## Syslog Message Example

```
1 2026-07-25T16:32:04.193345+02:00 VBRSRV01 Veeam_MP - - [origin enterpriseId="31023"] [categoryId=0 instanceId=40207 UserName="TECH\user1" Endpoint="[::1]:52785" SID="S-1-5-21-670747961-1840839389-3357612639-1134" VbrHostName="vbrsrv01.tech.local" VbrVersion="13.1.0.411" Version="1" Description="An attempt to use already validated MFA code has been performed for TECH\user1."]
```