USB Access Setup Class Rule Addition

This guide will show an administrator how to add a desired allowance or prevention on a specific USB Setup Class for Intune joined Windows devices.

Role Requirements

Procedure Scope: Administrators

Required Group Membership: Admin.Security

Handbook Reference

Package: TBD

Domain: TBD

Modifies: TBD

USB Access Setup Class Rule Addition

1. Navigate to the Attack Surface Reduction – Intune portal, locate and select the Security Essentials Memory and USB Protection policy or an equivalent Device Control policy.
   
2. Scroll down to Configuration Settings and select Edit.
   
3. The default rules will be displayed. Begin by selecting the dropdown beside the Device Installation Restrictions blade. Locate the Allow classes or Prevent Classes option depending on the desired outcome for USB handling, select the Add button below the desired previously listed header. A text box will be generated where you can specify the necessary device identifier. The allow or block list is only available if the Allow or Prevent installation of devices using drivers that match these device setup classes security setting is set to Enabled, the prevent setting also has an additional unique setting Also apply to matching devices that are already installed that will remove already installed USB devices if they do not match the newly enforced criteria. Select Next to continue.
   
4. From the Review section, you will be able to select the Settings dropdown to verify that the necessary device identifiers are properly generated. Select Save to finalize the necessary setup class rule addition. Rule changes propagate in less than 24 hours.
   

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