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Monitor the Use of Removable Storage Devices

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Applies To: Windows 8.1, Windows Server 2012 R2, Windows Server 2012, Windows 8

This topic for the IT professional describes how to monitor attempts to use removable storage devices to access network resources. It describes how to use advanced security auditing options to monitor dynamic access control objects.

If you configure this policy setting, an audit event is generated each time a user attempts to copy, move, or save a resource to a removable storage device.

Note

The contents of this topic apply to the list of supported Windows operating systems designated in the Applies To list at the beginning of this topic. In these supported operating systems, administrators can set the Removable Storage Access policy to limit or deny users the ability to use removable storage devices. However, in earlier versions of the Windows and Windows Server operating systems, administrators could not track the use of removable storage devices.

Use the following procedures to monitor the use of removable storage devices and to verify that the devices are being monitored.

Note

Your server might function differently based on the version and edition of the operating system that is installed, your account permissions, and your menu settings.

To configure settings to monitor removable storage devices

  1. Sign in to your domain controller by using domain administrator credentials.

  2. In Server Manager, point to Tools, and then click Group Policy Management.

  3. In the console tree, right-click the flexible access Group Policy Object on the domain controller, and then click Edit.

  4. Double-click Computer Configuration, double-click Security Settings, double-click Advanced Audit Policy Configuration, double-click Object Access, and then double-click Audit Removable Storage.

  5. Select the Configure the following audit events check box, select the Success check box (and the Failure check box, if desired), and then click OK.

  6. If you selected the Failure check box, double-click Audit Handle Manipulation, select the Configure the following audit events check box, and then select Failure.

  7. Click OK, and then close the Group Policy Management Editor.

After you configure the settings to monitor removable storage devices, use the following procedure to verify that the settings are active.

To verify that removable storage devices are monitored

  1. Sign in to the computer that hosts the resources that you want to monitor. Press the Windows key + R, and then type cmd to open a Command Prompt window.

    Note

    If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Yes.

  2. Type gpupdate /force, and press ENTER.

  3. Connect a removable storage device to the targeted computer and attempt to copy a file that is protected with the Removable Storage Audit policy.

  4. In Server Manager, click Tools, and then click Event Viewer.

  5. Expand Windows Logs, and then click Security.

  6. Look for event 4663, which logs successful attempts to write to or read from a removable storage device. Failures will log event 4656. Both events include Task Category = Removable Storage device.

    Key information to look for includes the name and account domain of the user who attempted to access the file, the object that the user is attempting to access, resource attributes of the resource, and the type of access that was attempted.

    Note

    We do not recommend that you enable this category on a file server that hosts file shares on a removable storage device. When Removable Storage Auditing is configured, any attempt to access the removable storage device will generate an audit event.

Using Advanced Security Auditing Options to Monitor Dynamic Access Control Objects