Devices: Allowed to format and eject removable media
Updated: November 15, 2012
Applies To: Windows Server 2003, Windows Vista, Windows XP, Windows Server 2008, Windows 7, Windows 8.1, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2012, Windows 8
This security policy reference topic for the IT professional describes the best practices, location, values, and security considerations for this policy setting.
This policy setting determines who is allowed to format and eject removable media.
Users can move removable disks to a different computer where they have administrative user rights and then take ownership of any file, assign themselves full control, and view or modify any file. The advantage of configuring this policy setting is diminished by the fact that most removable storage devices will eject media with the press of a button.
Administrators and Power Users
Administrators and Interactive Users (not applicable to Windows Server 2008 R2 or Windows 7)
It is advisable to set Allowed to format and eject removable media to Administrators. Only administrators will be able to eject NTFS-formatted removable media.
GPO_name\Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options
The following table lists the actual and effective default values for this policy. Default values are also listed on the policy’s property page.
Server type or GPO
Default Domain Policy
Default Domain Controller Policy
Stand-Alone Server Default Settings
DC Effective Default Settings
Member Server Effective Default Settings
Client Computer Effective Default Settings
The option Administrators and Interactive Users is not applicable to Windows Server 2008 R2 or Windows 7, but it can be used for backward compatibility.
This section describes features and tools that are available to help you manage this policy.
None. Changes to this policy become effective without a computer restart when they are saved locally or distributed through Group Policy.
This section describes how an attacker might exploit a feature or its configuration, how to implement the countermeasure, and the possible negative consequences of countermeasure implementation.
Users could move data on removable disks to a different computer where they have administrative privileges. The user could then take ownership of any file, grant themselves full control, and view or modify any file. The fact that most removable storage devices eject media when a mechanical button is pressed diminishes the advantage of this policy setting.
Configure the Devices: Allowed to format and eject removable media setting to Administrators.
Only administrators can format and eject removable media. If users are in the habit of using removable media for file transfers and storage, they must be informed of the change in policy.