
Enable Support for Isochronous USB Devices
Modems and certain streaming data devices, such as speakers and webcams, do not work properly in a
virtual machine unless you enable support for isochronous USB devices.
Prerequisites
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Verify that the guest operating system supports USB 2.0 devices or 3.0 devices.
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On a Windows XP guest operating system, verify that the latest service pack is installed. If you use
Windows XP with no service packs, the driver for the EHCI controller cannot be loaded.
Procedure
1 Select the virtual machine and select Player > Manage > Virtual Machine Settings.
2 On the Hardware tab, select USB Controller.
3 From the USB Compatibility list, select USB 2.0 or USB 3.0.
Option Description
USB 2.0
Available if the virtual machine hardware is compatible with Workstation
6 and later virtual machines.
USB 3.0
Available for Linux guests running kernel version 2.6.35 or later and for
Windows 8 guests. The virtual machine hardware must be compatible
with Workstation 8 and later virtual machines.
4 Click OK to save your changes.
Configuring and Maintaining Virtual Hard Disks
You can use Player to configure virtual hard disk storage for virtual machines.
A virtual disk is a file or set of files that appears as a physical disk drive to a guest operating system. The
files can be on the host system or on a remote computer. When you configure a virtual machine to use a
virtual disk, you can install a new operating system onto the virtual disk without repartitioning a physical
disk or rebooting the host.
The New Virtual Machine wizard creates a virtual machine that has one disk drive. You can modify virtual
machine settings to add more disk drives to a virtual machine, remove disk drives from a virtual machine,
and change certain settings for the existing disk drives.
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Configuring a Virtual Hard Disk on page 82
You can configure virtual hard disks as IDE or SATA disks for any guest operating system. You can
also set up a virtual hard disk as a SCSI disk for any guest operating system that has a driver for the
LSI Logic or BusLogic SCSI adapter. You determine which SCSI adapter to use when you create a
virtual machine.
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Compact a Virtual Hard Disk on page 84
Compacting a virtual hard disk reclaims unused space in the virtual disk. If a disk has empty space,
this process reduces the amount of space the virtual disk occupies on the host drive.
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Expand a Virtual Hard Disk on page 84
You can add storage space to a virtual machine by expanding its virtual hard disk.
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Defragment a Virtual Hard Disk on page 85
Like physical disk drives, virtual hard disks can become fragmented. Defragmenting disks rearranges
files, programs, and unused space on the virtual hard disk so that programs run faster and files open
more quickly. Defragmenting does not reclaim unused space on a virtual hard disk.
Chapter 6 Configuring and Managing Devices
VMware, Inc. 81
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