Installation guide
30 Feature Release 1 and Service Pack 3 Installation Guide
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\
Citrix\wfshell\TWI\ThunderRT6Main]
“ClassName”=”ThunderRT6Main”
“Type”=dword:00000030
Hotfix Mx182T002
1. The Redirector had problems tracking transmit and receive queue sizes for
redirected client serial ports. This issue was found in tests with a Symbol
Technologies hand-held scanner device. A related fix is in the ICA Win32
Client, Build 931 and above.
2. Citrix Server Administration sometimes crashed with an access violation after
adding certain Microsoft hotfixes.
3. Fixes the issue with COM port mapping and applications failing to send data
to the client COM port. This sometimes caused applications employing
MSCOMM32.OCX for serial port control to report I/O errors.
4. Corrects the problem that occurred during Win32 API calls.
GetVolumeInformation and WNetGetResourceInformation returned
incorrect information when run against an ICA Client drive.
5. Japanese only: Corrects the problem where the user's profile settings for the
IME tool bar were not used when logging into a published application. This
sometimes caused the Japanese IME tool bar to start in the default position
instead of the last position. Customizations to the IME tool bar that are
stored in the user's profile sometimes failed.
Hotfix Mx182T003
The number of COM ports created by Cdmsvc.exe was raised to 9 by changes in
MetaFrame 1.8 Service Pack 1. This value was hard coded. This change caused a
custom configuration to fail when the modem redirection software would not
work with a COM port higher than COM9.
The default remains nine, but you can modify it by defining the following registry
key:
Warning Using Registry Editor incorrectly can cause serious problems that may
require you to reinstall your operating system. Use Registry Editor at your own
risk.
HKLM\SYSTEM\CurrentControlSet\Services\CdmService\Parameters
Add “DefaultComPorts” as a REG_DWORD value in the range from 0 to 99.