---
title: "User Authorization Denied"
description: "Sent when a user was not authorized during interactive logon. Event ID: 44002 Event message details: Authorization request was denied: <Reason> Severity: Warning"
canonical: "https://helpcenter.veeam.com/docs/vbr/events/event_44002.html"
breadcrumb: "Event Reference > Users > User Authorization Denied"
dateModified: "2026-10-01"
---

# User Authorization Denied

Sent when a user was not authorized during interactive logon.

## General Information

**Event ID**: 44002

**Event message details**: Authorization request was denied: `<Reason>`

**Severity**: Warning

## 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">SourceIpAddress</span></p>
    </td>
    <td>
      <p>IP address of the client application.</p>
    </td>
    <td>
      <p><span class="T_Filenames">SourceIpAddress="198.51.100.15"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">ClientId</span></p>
    </td>
    <td>
      <p>Client application ID.</p>
    </td>
    <td>
      <p><span class="T_Filenames">ClientId="veeam-backup-web-ui"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">FriendlyName</span></p>
    </td>
    <td>
      <p>User name.</p>
    </td>
    <td>
      <p><span class="T_Filenames">FriendlyName="veeamadmin"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">Subject</span></p>
    </td>
    <td>
      <p>User security identifier.</p>
    </td>
    <td>
      <p><span class="T_Filenames">Subject="UID-veeamadmin"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">ResourceId</span></p>
    </td>
    <td>
      <p>Resource ID.</p>
    </td>
    <td>
      <p><span class="T_Filenames">ResourceId="veeam-gateway-api-service"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">RedirectUri</span></p>
    </td>
    <td>
      <p>Redirect URI.</p>
    </td>
    <td>
      <p><span class="T_Filenames">RedirectUri="/"</span></p>
    </td>
  </tr>
  <tr style="vertical-align:top">
    <td>
      <p><span class="T_Filenames">Reason</span></p>
    </td>
    <td>
      <p>Reason to decline the operation. Possible values:</p>
      <ul>
        <li class="Table_List"><span class="T_Filenames">-1</span> — Unknown reason</li>
        <li class="Table_List"><span class="T_Filenames">0</span> — Request is malformed</li>
        <li class="Table_List"><span class="T_Filenames">1</span> — Unauthenticated </li>
        <li class="Table_List"><span class="T_Filenames">2</span> — Account revalidation failed</li>
        <li class="Table_List"><span class="T_Filenames">3</span> — Password revalidation failed</li>
        <li class="Table_List"><span class="T_Filenames">4</span> — Client is unauthorized</li>
        <li class="Table_List"><span class="T_Filenames">5</span> — Resource owner is unauthorized</li>
        <li class="Table_List"><span class="T_Filenames">6</span> — Too many invalid requests</li>
        <li class="Table_List"><span class="T_Filenames">7</span> — MFA is required</li>
        <li class="Table_List"><span class="T_Filenames">8</span> — Unexpected server error occurred</li>
        <li class="Table_List"><span class="T_Filenames">9</span> — Selected cookie is missing</li>
        <li class="Table_List"><span class="T_Filenames">10</span> — SAML2 is disabled</li>
        <li class="Table_List"><span class="T_Filenames">11</span> — GSS is disabled</li>
      </ul>
    </td>
    <td>
      <p><span class="T_Filenames">Reason="1"</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="Authorization request was denied: an authentication has failed."</span></p>
    </td>
  </tr>
</table>

## Syslog Message Example

```
1 2026-07-25T18:57:34.193602-07:00 VBRSRV01 Veeam_Security - - [origin enterpriseId="31023"] [categoryId=0 instanceId=44002 SourceIpAddress="198.51.100.15" ClientId="veeam-backup-web-ui" FriendlyName="veeamadmin" Subject="UID-veeamadmin" ResourceId="veeam-gateway-api-service" RedirectUri="/" VbrHostName="vbrsrv01" VbrVersion="13.1.0.411" Version="1" Description="Authorization request was denied: an authentication has failed."]
```