For example, if you map COM1 on the client to COM3 on the server, install your COM port device application in the VDA and point it to COM3 during the session. To use this COM port in a virtual desktop or application, install your user device application and point it to the mapped COM port name. The list that appears contains mapped drives, LPT ports, and mapped COM ports. To confirm that the operation was successful, type NET USE at a VDA command prompt. Z is the number of the client COM port you want to map. X is the number of the COM port on the VDA (ports 1 through 9 are available for mapping). Log on to the VDA, and at a command prompt window, type: If Auto connect client COM ports failed to map the port, you can map the port manually or use logon scripts. After applied, some information is available in HDX Monitor. Remote Desktop (Terminal Services) configuration tool.Įnable the Client COM port redirection and the Auto connect client COM ports Studio policies.For more information about policies, see Port redirection policy settings. You can map client COM ports to a Citrix session in three ways:
Map a client COM port to a server COM port Some applications recognize the device (for example, a signature pad) consistently only if it is connected to COM1 or COM2 on the client workstation. Get an RS-485-to-RS232 converter to use RS-485 as a COM port. When connected through an RS-485 port, applications might not work at all. Two common protocols for virtual COM are CDC ACM or MCT. The operating system can abstract COM ports and treat them like fileshares. Some USB devices function as virtual COM ports, which applications can access in the same way as physical serial port. The applications then use the link to access the port.īecause a device can attach to the endpoint by using USB directly, doesn’t mean it can be redirected using generic USB redirection.
You can use these mappings like any other network mappings.įor each COM port, a driver in the operating system assigns a symbolic link name such as COM1 and COM2. This might be done from the Device Manager > Ports (COM & LPT) > Properties or from the application that controls the device.Ĭlient COM port mapping allows devices attached to the COM ports on the user’s endpoint to be used during virtual sessions.
These drivers allow you to force the virtual COM port of the USB device so that it doesn’t change even if connected to different USB sockets. Some USB virtual COM-port devices use vendor-specific drivers in place of the Windows-provided drivers (usbser.sys). Applications suited for serial ports often involve sensors, controllers, old check readers, pads, and so forth. The ports are easy to add by using USB converters. Most new PCs don’t have built-in serial (COM) ports. HDX features managed through the registryĬonfigure COM Port and LPT Port Redirection settings using the registryĬonnector for Configuration Manager 2012 policy settingsĬollect a Citrix Diagnostic Facility (CDF) Trace at System StartupĬonfigure with Citrix Analytics for Performance Generic USB redirection and client drive considerationsīest practices, security considerations, and default operationsĬompare, prioritize, model, and troubleshoot policies Monitor, troubleshoot, and support Microsoft Teams HDX video conferencing and webcam video compression GPU acceleration for Windows single-session OS GPU acceleration for Windows multi-session OS Transport Layer Security (TLS) on Universal Print Server Pass-through authentication and single sign-on with smart cards Integrate Citrix Virtual Apps and Desktops with Citrix Gateway Security considerations and best practices Microsoft System Center Configuration Manager environments
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