---
title: "Add-VBOFederatedAuthenticationAuthority"
description: "This cmdlet adds an external authentication provider."
canonical: "https://helpcenter.veeam.com/docs/vbo365/powershell/add-vbofederatedauthenticationauthority.html"
breadcrumb: "PowerShell Reference > Veeam Backup for Microsoft 365 PowerShell Reference > External Authentication Providers > Add-VBOFederatedAuthenticationAuthority"
dateModified: "2026-08-21"
---

# Add-VBOFederatedAuthenticationAuthority

## Short Description
Adds an external authentication provider.

## Syntax
```
Add-VBOFederatedAuthenticationAuthority -Name <String> [-Description <String>] -Issuer <String>
 -PublicCertificate <String> [<CommonParameters>]
```

## Detailed Description
This cmdlet adds an external authentication provider.

## Parameters

<table style="width:100%;" class="Blue_Table">
      <tr style="vertical-align:top">
        <th style="width:20%;">
          <p>Parameter</p>
        </th>
        <th style="width:20%;">
          <p>Description</p>
        </th>
        <th style="width:20%;">
          <p>Type</p>
        </th>
        <th style="width:10%;">
          <p>Required</p>
        </th>
        <th style="width:10%;">
          <p>Position</p>
        </th>
        <th style="width:10%;">
          <p>Accept Pipeline Input</p>
        </th>
      </tr>
      <tr style="vertical-align:top">
        <td>
          <p class="Table_Text_Bold"><span class="Table_Text_Bold">Description</span></p>
        </td>
        <td>
          <p>Specifies a description of the external authentication provider. The cmdlet will add an external authentication provider with this description.</p>
        </td>
        <td style="width:10%;">
          <p><code>String</code></p>
        </td>
        <td style="width:10%;">
          <p>False</p>
        </td>
        <td style="width:10%;">
          <p>Named</p>
        </td>
        <td style="width:10%;">
          <p>False</p>
        </td>
      </tr>
      <tr style="vertical-align:top">
        <td>
          <p class="Table_Text_Bold"><span class="Table_Text_Bold">Issuer</span></p>
        </td>
        <td>
          <p>Specifies the authorization token issuer.</p>
        </td>
        <td style="width:10%;">
          <p><code>String</code></p>
        </td>
        <td style="width:10%;">
          <p>True</p>
        </td>
        <td style="width:10%;">
          <p>Named</p>
        </td>
        <td style="width:10%;">
          <p>False</p>
        </td>
      </tr>
      <tr style="vertical-align:top">
        <td>
          <p class="Table_Text_Bold"><span class="Table_Text_Bold">Name</span></p>
        </td>
        <td>
          <p>Specifies a name of the external authentication provider. The cmdlet will add an external authentication provider with this name.</p>
        </td>
        <td style="width:10%;">
          <p><code>String</code></p>
        </td>
        <td style="width:10%;">
          <p>True</p>
        </td>
        <td style="width:10%;">
          <p>Named</p>
        </td>
        <td style="width:10%;">
          <p>False</p>
        </td>
      </tr>
      <tr style="vertical-align:top">
        <td>
          <p class="Table_Text_Bold"><span class="Table_Text_Bold">PublicCertificate</span></p>
        </td>
        <td>
          <p>Specifies the public part of the certificate provided as a Base64 string. The private part of this certificate is used for signing authorization tokens.</p>
        </td>
        <td style="width:10%;">
          <p><code>String</code></p>
        </td>
        <td style="width:10%;">
          <p>True</p>
        </td>
        <td style="width:10%;">
          <p>Named</p>
        </td>
        <td style="width:10%;">
          <p>False</p>
        </td>
      </tr>
    </table>

`<CommonParameters>`

This cmdlet supports Microsoft PowerShell common parameters. For more information on common parameters, see the [About Common Parameters](http://go.microsoft.com/fwlink/p/?LinkID=113216) section of Microsoft Learn.

## Output Object
The cmdlet returns the [`VBOFederatedAuthenticationAuthority`](vbofederatedauthenticationauthority.md) object that contains settings for an external authentication provider.

## Examples

::: example
### Adding External Authentication Provider

This command adds an external authentication provider.

```
Add-VBOFederatedAuthenticationAuthority -Name "External_Provider" -Issuer "Issuer" -PublicCertificate "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"
```

:::