Device Permission Restrictions

Based upon Microsoft® driver design or the device manufacturer design, some restrictions apply to devices when assigning user access permission.

The following table shows the allowable user access permissions and restrictions for each predefined device class.

Device Class

Permission Allowed

Restriction

Biometric Devices

Read-Write/None; Select bus type

Only for LocalSystem or Everyone.

Citrix Network Shares

Read-Write/None

Any user or user group.

COM/Serial Ports

Read-Write/None; Select bus type

Any user or user group.

CD/DVD Drives

Read only/Read-Write/None; Select bus type

Any user or user group.

Floppy Disk Drives

Read only/Read-Write/None; Select bus type

Any user or user group.

Keyboards/Mice

Read only/Read-Write/None; Select bus type

Only for Everyone.

Imaging Devices

Read-Write/None; Select bus type

Any user or user group.

LPT/Parallel Ports

Read only/Read-Write/None; Select bus type

Any user or user group.

Modems/Secondary Network Access Devices

Read-Write/None; Select bus type

For regular modems, any user or group.

Read-Write/None; Select bus type

For ISDN modems or network adapters, only for the Everyone group.

Palm Handheld Devices

Read-Write/None; Select bus type

Any user or user group.

Portable Devices

Read-only/Read-Write/None

Any user or user group.

Printers

Read-Write/None; Select bus type

Any user or user group.

PS/2 Ports

Read-Write/None; Select bus type

Only for LocalSystem or Everyone.

Removable Storage Devices

Read-Write/None; Select bus type

Any user or user group.

Encrypt, Decrypt, Export, Import; Select bus and drive type

Any user or user group.

RIM Blackberry Handhelds

Read-Write/None

Any user or user group.

Smart Card Readers

Read-Write/None; Select bus type

Only for LocalSystem or Everyone.

Tape Drives

Read-Write/None; Select bus type

Any user or user group.

User Defined Devices

Read-Write/None

Any user or user group.

Virtualized USB Devices

Read-Write/None

Any user or user group.

Windows CE Handheld Devices

Read-Write/None

Any user or user group.

Wireless Network Interface Cards (NICs)

Read-Write/None

Only for Everyone.

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