To restrict network users from accessing removable drives when a user is logged on interactively, use Registry Editor to create or assign the following Registry key value:
Hive: HKEY_LOCAL_MACHINE\SOFTWARE Key: \Microsoft\WindowsNT\CurrentVersion\Winlogon Name: AllocateFloppies Type: REG_SZ Value: 1 Hive: HKEY_LOCAL_MACHINE\SOFTWARE Key: \Microsoft\WindowsNT\CurrentVersion\Winlogon Name: AllocateCDRoms Type: REG_SZ Value: 1