GPO FundamentalsGroup Policy & Endpoint Policy

Disabling USB ports using Group Policy: An expert guide

Short version (for snippets): To block USB storage with Group Policy, open gpmc.msc, create a new GPO, then enable Computer Configuration > Policies > Administrative Templates > System > Removable Storage Access > All Removable Storage Classes: Deny all access, and link the GPO to your target OU. Run gpupdate /force on clients to apply. This denies read/write/execute for removable…
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