Would you like to learn how to use a group policy to disable the password manager on the Mozilla Firefox browser? In this tutorial, we will show you how to prevent users to save passwords in Mozilla Firefox using a group policy.

• Windows 2012 R2
• Windows 2016
• Windows 2019
• Windows 10
• Windows 7

Equipment list

Here you can find the list of equipment used to create this tutorial.

This link will also show the software list used to create this tutorial.

Tutorial GPO - Disable the  Password manager on Mozilla Firefox

On the domain controller, download the latest version of the Mozilla policy template.

GPO - Firefox policy template

Extract the ZIP file named POLICY_TEMPLATES.

In our example, all files were placed on the root of a directory named DOWNLOADS.

Gpo - Firefox template

Access the directory named WINDOWS and copy the file ADMX files to the Policy definitions directory.

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Access the correct language subdirectory.

Copy the ADML files to the correct language directory inside the Policy definitions.

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On the domain controller, open the group policy management tool.

Windows 2012 - Group Policy Management

Create a new group policy.

Windows 2012 - Group Policy Objects

Enter a name for the new group policy.

Windows - Add GPO

In our example, the new GPO was named: MY-GPO.

On the Group Policy Management screen, expand the folder named Group Policy Objects.

Right-click your new Group Policy Object and select the Edit option.

Windows - Edit GPO

On the group policy editor screen, expand the Computer configuration folder and locate the following item.

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Here are the Mozilla Firefox configuration options.

GPO - Firefox configuration

Disable the item named Password Manager.

GPO - Disable the Password manager on Mozilla Firefox

Disable the item named Offer to save logins.

GPO - Disable Offer to save logins on Mozilla Firefox

Disable the item named Offer to save logins (default).

GPO - Disable Saving login on Mozilla Firefox

In our example, we configured the system to disable the user permission to save passwords on the Mozilla Firefox password manager.

To save the group policy configuration, you need to close the Group Policy editor.

Congratulations! You have finished the GPO creation.

Tutorial GPO - Mozilla Firefox

On the Group policy management screen, you need to right-click the Organizational Unit desired and select the option to link an existent GPO.

Windows-2012-Applocker application

In our example, we are going to link the group policy named MY-GPO to the root of the domain.

GPO- tutorial linking

After applying the GPO you need to wait for 10 or 20 minutes.

During this time the GPO will be replicated to other domain controllers.

On a remote computer, access the Mozilla Firefox menu.

Select the option named Logins and passwords.

GPO - Firefox block login and passwors

In our example, we used a GPO to prevent passwords from being saved on Mozilla Firefox.