6.0.2

Table Of Contents
n
Network latency can cause slow device interaction or cause applications to appear frozen because they
are designed to interact with local devices. Very large USB disk drives might take several minutes to
appear in Windows Explorer.
n
USB flash cards formatted with the FAT32 file system are slow to load. See
http://kb.vmware.com/kb/1022836.
n
A process or service on the local system opened the device before you connected to the remote desktop.
n
A redirected USB device stops working if you reconnect a desktop session even if the desktop shows
that the device is available.
n
USB redirection is disabled in View Administrator.
n
Missing or disabled USB redirection drivers on the guest.
Solution
n
If available, use PCoIP instead of RDP as the desktop protocol.
n
If a redirected device remains unavailable or stops working after a temporary disconnection, remove
the device, plug it in again, and retry the redirection.
n
In View Administrator, go to Policies > Global Policies, and verify that USB access is set to Allow
under View Policies.
n
Examine the log on the guest for entries of class ws_vhub, and the log on the client for entries of class
vmware-view-usbd.
Entries with these classes are written to the logs if a user is not an administrator, or if the USB
redirection drivers are not installed or are not working. For the location of these log files, see “Using
Log Files for Troubleshooting and to Determine USB Device IDs,” on page 167.
n
Open the Device Manager on the guest, expand Universal Serial Bus controllers, and reinstall the
VMware View Virtual USB Host Controller and VMware View Virtual USB Hub drivers if these drivers
are missing or re-enable them if they are disabled.
Chapter 14 Using USB Devices with Remote Desktops
VMware, Inc. 179