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View bandwidth allocations for a USB host controller

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

To view bandwidth allocations for a USB host controller

  1. Open Device Manager.

  2. Double-click Universal serial bus controller.

  3. Right-click a USB Universal Host Controller for your system, and then click Properties.

  4. On the Advanced tab, in the Bandwidth-consuming devices list, view the bandwidth used by each device.

Notes

  • To open Device Manager, click Start, click Control Panel, double-click Administrative Tools, double-click Computer Management, and then click Device Manager.

  • You can view bandwidth only for a universal serial bus (USB) controller. Some USB devices (for example, modems) might not appear because they do not report bandwidth requirements to the operating system.

  • Each USB controller has a fixed amount of bandwidth that all attached devices must share. If you suspect a bandwidth shortage for a USB controller, you can confirm this by viewing the bandwidth allocations currently being used by each device.

  • Universal serial bus controller appears only if you have a USB port on your computer.

Information about functional differences

  • 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. For more information, see Viewing Help on the Web.

See Also

Concepts

View power allocations for USB hubs
Working with MMC console files