Custom Update URL

What it does

If this policy is enabled, you can set a URL to an update server other than the default. This could be helpful if you run your own update server on your network. If this policy is disabled or not configured, the default update URL is used.

What it writes

Hive

HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER

Registry key

Software\Policies\Mozilla\Firefox

Options

Configure and deploy

Choose a state and the option values; the output below is generated from the template for exactly that.

History 85 retained releases

1. 7.513 Nov 2025
   • Translations changed; choose a language above to compare its wording.
2. 6.69 Jan 2025
   • Translations changed; choose a language above to compare its wording.
3. 6.526 Nov 2024
   • Translations changed; choose a language above to compare its wording.
4. 6.011 Jul 2024
   • Translations changed; choose a language above to compare its wording.
5. 4.126 Jun 2023
   • Translations changed; choose a language above to compare its wording.
6. 2.1019 Apr 2021
   • Translations changed; choose a language above to compare its wording.
7. 2.823 Feb 2021
   • Translations changed; choose a language above to compare its wording.
8. 1.158 Apr 2020
   • Translations changed; choose a language above to compare its wording.
9. 1.113 Dec 2019
   • Translations changed; choose a language above to compare its wording.
10. 1.1023 Oct 2019
    • Translations changed; choose a language above to compare its wording.
11. 1.8.229 Jul 2019
    • Translations changed; choose a language above to compare its wording.
12. 1.414 Dec 2018
    • Option “URL” writes Software\Policies\Mozilla\Firefox\[added: AppUpdate]URL
13. 1.317 Oct 2018
    • Supported on [was: SUPPORTED_FF62] → [now: Firefox 62 or later, Firefox 60.2 ESR or later]
    • Supported on SUPPORTED_FF62; [removed: un]resolved; Blank;
14. 1.211 Sep 2018
    • Added in this release.

70 later releases left it unchanged.

Template

Internal name

AppUpdateURL

Namespace

Mozilla.Policies.Firefox

Template file

firefox.admx

Release

Mozilla Firefox 3.9 · file set 46eea69011fff735…

<policy class="Both" displayName="$(string.AppUpdateURL)" explainText="$(string.AppUpdateURL_Explain)" key="Software\Policies\Mozilla\Firefox" name="AppUpdateURL" presentation="$(presentation.AppUpdateURL)" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
      <parentCategory ref="Mozilla.Policies.Firefox:firefox" />
      <supportedOn ref="Mozilla.Policies.Firefox:SUPPORTED_FF62" />
      <elements>
        <text id="AppUpdateURL" required="true" valueName="AppUpdateURL" />
      </elements>
    </policy>

<presentation id="AppUpdateURL" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
        <textBox refId="AppUpdateURL">
          <label>URL:</label>
        </textBox>
      </presentation>

Mozilla.Policies.Firefox:category:firefox
<category displayName="$(string.firefox)" name="firefox" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
      <parentCategory ref="Mozilla.Policies:Cat_Mozilla" />
    </category>
Mozilla.Policies.Firefox:definition:SUPPORTED_FF62
<definition displayName="$(string.SUPPORTED_FF62)" name="SUPPORTED_FF62" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions" />
Mozilla.Policies:category:Cat_Mozilla
<category displayName="$(string.mozilla)" name="Cat_Mozilla" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions" />
Mozilla.Policies.Firefox:category:firefox
<category displayName="$(string.firefox)" name="firefox" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
      <parentCategory ref="Mozilla.Policies:Cat_Mozilla" />
    </category>
<strings><string id="Mozilla.Policies.Firefox:firefox">Firefox</string></strings>
Mozilla.Policies.Firefox:definition:SUPPORTED_FF62
<definition displayName="$(string.SUPPORTED_FF62)" name="SUPPORTED_FF62" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions" />
<strings><string id="Mozilla.Policies.Firefox:SUPPORTED_FF62">Firefox 62 or later, Firefox 60.2 ESR or later</string></strings>
Mozilla.Policies:category:Cat_Mozilla
<category displayName="$(string.mozilla)" name="Cat_Mozilla" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions" />
<strings><string id="Mozilla.Policies:mozilla">Mozilla</string></strings>