Setting Up Desktop and Application Pools in View

Group Policy
Setting Description
PortSettings Determines the mapping between the COM port on the client system and the redirected COM port on
the remote desktop and determines other settings that affect the redirected COM port.
You configure each redirected COM port individually. Five PortSettings policy settings are available,
PortSettings1 through PortSettings5, allowing up to five COM ports to be mapped from the client to
the remote desktop. Select one PortSettings policy setting for each COM port that you intend to
configure.
When you enable the PortSettings policy setting, you can configure the following items that affect the
redirected COM port:
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The Source port number setting specifies the number of the physical COM port that is connected
to the client system.
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The Destination virtual port number setting specifies the number of the redirected virtual COM
port on the remote desktop.
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The Autoconnect setting automatically connects the COM port to the redirected COM port at the
start of each desktop session.
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With the IgnoreDSR setting, the redirected COM port device ignores the Data Set Ready (DSR)
signal.
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The Pause before close port (in milliseconds) setting specifies the time to wait (in milliseconds)
after a user closes the redirected port and before the port is actually closed. Certain USB to Serial
adapters require this delay to ensure that transmitted data is preserved. This setting is intended for
troubleshooting purposes.
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The Serial2USBModeChangeEnabled setting resolves issues that apply to USB to Serial adapters
that use the Prolific chipset, including the GlobalSat BU353 GPS adapter. If you do not enable this
setting for Prolific chipset adapters, connected devices can transmit data but not receive data.
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The Disable errors in wait mask setting disables the error value in the COM port mask. This
troubleshooting setting is required for certain applications. For details, see the Microsoft
documentation of the WaitCommEvent function at
http://msdn.microsoft.com/en-us/library/windows/desktop/aa363479(v=vs.85).aspx.
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The HandleBtDisappear setting supports BlueTooth COM port behavior. This setting is intended
for troubleshooting purposes.
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The UsbToComTroubleShooting setting resolves some issues that apply to USB to Serial port
adapters. This setting is intended for troubleshooting purposes.
When you enable the PortSettings setting for a particular COM port, users can connect and disconnect
the redirected port, but users cannot configure properties of the port on the remote desktop. For
example, users cannot set the port to be redirected automatically when they log in to the desktop, and
they cannot ignore the DSR signal. These properties are controlled by the group policy setting.
NOTE A redirected COM port is connected and active only if the physical COM port is connected
locally to the client system. If you map a COM port that does not exist on the client, the redirected port
appears as inactive and not available in the tool tray menu on the remote desktop.
When the PortSettings setting is disabled or not configured, the redirected COM port uses the settings
that users configure on the remote desktop. The Serial COM Redirection for VMware Horizon menu
options are active and available to users.
This setting is available as a Computer Configuration and User Configuration policy.
Local settings
priority
Gives priority to the settings that are configured on the remote desktop.
When you enable this policy, the serial port redirection settings that a user configures on the remote
desktop take precedence over the group policy settings. A group policy setting takes effect only if a
setting is not configured on the remote desktop.
When this setting is disabled or not configured, group policy settings take precedence over the settings
that are configured on the remote desktop.
This setting is available as a Computer Configuration and User Configuration policy.
Disable
functionality
Disables the serial port redirection feature.
When you enable this setting, COM ports are not redirected to the remote desktop. The serial port tool
tray icon on the remote desktop is not displayed.
When this setting is disabled, serial port redirection works, the serial port tool tray icon is displayed,
and COM ports appear in the Serial COM Redirection for VMware Horizon menu.
When this setting is not configured, settings that are local to the remote desktop determine whether
serial port redirection is disabled or enabled.
This setting is available as a Computer Configuration policy only.
Setting Up Desktop and Application Pools in View
174 VMware, Inc.