Vector PC-Duo Installation Guide download pdf (Page 26)

PC-Duo Gateway Server Guide

automatically managed and added to the ―All Hosts‖ group. The TS Hosts are considered

transient, since they go away when the TS user logs out of his/her session. In order to

keep track of transient TS Hosts, the PC-Duo Gateway will create a new Group called

"Terminal Services on <Servername>", and automatically insert transient Hosts into this

Group. They are automatically deleted from the Gateway when the TS session ends. The

main purpose of this Group is to allow security to be assigned to the Hosts and TS

sessions that belong to this Group, and to provide the correct and appropriate access to

the TS-based Host instances.

Note: PC-Duo Host for Terminal Services works on Server 2003 & Server 2008, and

requires a Gateway Server v6.10 or later.

Recording TS Hosts

Recordings are normally deleted from the Gateway database when their associated

workstation record is deleted. Transient TS Host workstation records are automatically

deleted from the Gateway when the TS user logs out of his/her session. However, to

prevent recordings of TS Hosts from being automatically deleted when the TS session

ends, the TS session recordings are reassigned to an artificial permanent workstation

record called "Recordings on <Servername>". All recordings of all TS Hosts on a given

TS server will be associated with this one record. This approach has the following

advantages:

Recordings are not orphaned

All recordings can be kept in one place,

TS recordings can be kept separate from console (root Host) recordings

Security can be configured separately for each recording.

Limitations of TS Hosts

Due to technical limitations and the nature of Terminal Services sessions, the following

Host features are not supported.

Remote printing

Keyboard and mouse suppression (requires kernel-based input stack intercept)

Screen blanking (requires kernel-based support and physical display to blank)

Peer-to-peer connections: all protocols are disabled, and the only connections that

can be made are through a configured Gateway Server

Kernel-mode screen capture (even on Windows Server 2003, requires kernel-mode

display support)

VDI connections

PC-Duo provides a special version of the Host to run inside of virtual desktop images

(VDI) created from virtual desktop templates in environments such as Citrix XenDesktop.

If the regular Host is specified in the template, then the Host will automatically be

installed when the virtual desktops are created using this template.

This works fine with Peer-to-Peer connections to the Host in the VDI, but has some

complications when the Host is configured to report to one or more Gateway Servers:

The GWS must be configured to ―automatically manage new Hosts‖ to have the Host

become available without any manual intervention.

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