5.2

Table 8-25. Effect of Combining Exclude All Devices Policies
Exclude All Devices Policy on View
Agent
Exclude All Devices Policy on View
Client
Combined Effective Exclude All
Devices Policy
false or not defined (include all USB
devices)
false or not defined (include all USB
devices)
Include all USB devices
false (include all USB devices) true (exclude all USB devices) Exclude all USB devices
true (exclude all USB devices) Any or not defined Exclude all USB devices
If you have set Disable Remote Configuration Download policy to true, the value of Exclude All Devices on
View Agent is not passed to View Client, but View Agent and View Client enforce the local value of Exclude
All Devices.
View
Client evaluates the filter policy settings according to an order of precedence. A filter policy setting that
excludes a matching device from being redirected takes precedence over the equivalent filter policy setting
that includes the device. If View Client does not encounter a filter policy setting to exclude a device, View
Client allows the device to be redirected unless you have set the Exclude All Devices policy to true. However,
if you have configured a filter policy setting on View Agent to exclude the device, the desktop blocks any
attempt to redirect the device to it.
View Client evaluates the filter policy settings in the following order of precedence taking into account the
View Client settings and the View Agent settings together with the modifier values that you apply to the View
Agent settings.
n
Exclude Path
n
Include Path
n
Exclude Vid/Pid Device
n
Include Vid/Pid Device
n
Exclude Device Family
n
Include Device Family
n
Allow Audio Input Devices, Allow Audio Output Devices, Allow HIDBootable, Allow HID (Non Bootable
and Not Mouse Keyboard), Allow Keyboard and Mouse Devices, Allow Smart Cards, and Allow Video
Devices
n
Combined effective Exclude All Devices policy evaluated to exclude or include all USB devices
You can set Exclude Path and Include Path filter policy settings only for View Client. The Allow filter policy
settings that refer to separate device families have equal precedence.
If you configure a policy setting to exclude devices based on vendor and product ID values, View Client
excludes a device whose vendor and product ID values match this policy setting even though you might have
configured an Allow policy setting for the family to which the device belongs.
The order of precedence for policy settings resolves conflicts between policy settings. If you configure Allow
Smart Cards to allow the redirection of smart cards, any higher precedence exclusion policy setting overrides
this policy. For example, you might have configured an Exclude Vid/Pid Device policy setting to exclude
smart-card devices with matching path or vendor and product ID values, or you might have configured an
Exclude Device Family policy setting that also excludes the smart-card device family entirely.
If you have configured any View Agent filter policy settings, View Agent evaluates and enforces the filter
policy settings in the following order of precedence on the desktop.
n
Exclude Vid/Pid Device
n
Include Vid/Pid Device
n
Exclude Device Family
Chapter 8 Configuring Policies
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