XenDesktop

How to Optimize HDX MediaStream Server-Rendered Multimedia Delivery

How to Optimize HDX MediaStream Server-Rendered Multimedia Delivery

Document ID: CTX124516 / Created On: Mar 19, 2010 / Updated On: Jul 29, 2010
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Summary

Desktop Delivery: 

XenDesktop Error: No suitable licenses are present on Citrix license server

XenDesktop Error: No suitable licenses are present on Citrix license server

Document ID: CTX126085 / Created On: Aug 10, 2010 / Updated On: Aug 10, 2010
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Symptoms

When launching a desktop, you receive the following message:

"No Suitable licenses are present on Citrix License server"

The License server is pingable and you can telnet to port 27000.

You receive the message only when launching the desktop from a Web Interface site that is located on a separate server.

Desktop Delivery: 

Microsoft Internet Explorer Pages Flicker in XenDesktop Sessions

Microsoft Internet Explorer Pages Flicker in XenDesktop Sessions

Document ID: CTX126216 / Created On: Aug 10, 2010 / Updated On: Aug 10, 2010
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Symptoms

Microsoft Internet Explorer Pages flicker in XenDesktop sessions.

This issue only occurs in Microsoft Internet Explorer 6.0 and 7.0 when accessed using XenDesktop.

Under Internet options, the setting Force offscreen compositing even under Terminal Server has been checked, however the issue still remains.

Cause

Desktop Delivery: 

How to Configure Auto Launch for a Single Published Application on Web Interface 5.x

How to Configure Auto Launch for a Single Published Application on Web Interface 5.x

Document ID: CTX125277 / Created On: Jun 9, 2010 / Updated On: Jul 21, 2010
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Summary

This article describes how to configure Auto Launch for a single published application on Web Interface 5.x.

Background

Desktop Delivery: 
Application Delivery: 

How to Install Web Interface on a Standalone Web Server and Configure it for XenDesktop 3

How to Install Web Interface on a Standalone Web Server and Configure it for XenDesktop 3.0

Document ID: CTX119762 / Created On: Feb 20, 2009 / Updated On: Jun 25, 2009
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Summary

This article describes how to install Web Interface on a standalone Web Server and configure it for XenDesktop 3.0.

Background

Citrix XenDesktop 3.0 requires Web Interface 5.1 to function properly. By default, Web Interface 5.1 is installed on the Desktop Delivery Controller (DDC) and three Web Interface sites are created. It is possible to install Web Interface 5.1 on a standalone Web server. If installed on a standalone server, a utility called Site Manager can be used to create and modify Web Interface sites. This article contains information about how to install Web Interface on a separate server to the DDC and to configure it for XenDesktop using the Site Manager tool.

Note: Citrix recommends that you secure communications between the Web Interface and the Citrix XML service. For more information, consult the Web Interface Administrator’s Guide.

Procedure

Install Web Interface

The Web interface installer can be located on the installation DVD under:

[DVD drive:]\w2k3\en\Web Interface\WebInterface.exe

This executable displays a graphical user interface where select questions are asked to complete the installation. The Web Interface installation can be run silently using a set of command line options, refer to the Web Interface Administrator’s Guide for more information on this.

Site Manager

After installing Web Interface for Windows, add the sitemgr.exe tool to the Program Files\Citrix\Web Interface\[Version]\ directory. Use sitemgr.exe to add, remove, or modify sites for the Web Interface installation. The three site types can be deployed by invoking the Site Manager executable:

• Desktop Appliance Connector (DAC). This site offers simple authentication and launching of a single desktop, in Full Screen Only Mode and is used for Linux, WinCE and XP embedded (non-domain joined) desktop appliances only.

• Program Neighborhood Agent site. This site is used to support Full Screen Only Mode on domain-joined Windows XP and XP embedded clients.

• Traditional Web Interface site. This site (which should be UI branded for Desktops) is used to cater to all other scenarios, including access from a standard machine (using a Web browser and connection bar client) and access to multiple desktops.

Sitemgr.exe is a command line tool whose options can be viewed by using the /? switch.

The following three subsections describe how to create each Web Interface site. Each of these sites should also be configured after creation. The Post Installation Configuration section below explains the configuration options that should be used for compatibility with XenDesktop 3.0.

Desktop Appliance Connector Site Creation

Command:

Sitemgr.exe –c “DACDest=1:/Citrix/DesktopAppliance,AppAccessMethods=Remote,XMLService=,XMLSPort=
,SiteName=DAC Site"

Command breakdown:

Site Manager command line string

Comment

Sitemgr.exe –c

Create a new site using a definition (in quotes)

"DACDest=1:/ Citrix/DesktopAppliance,

Create DAC site at IIS site #1 (the IIS Default Web Site) using the XenDesktop path

AppAccessMethods=Remote,

Access resources published on a server

XMLService=,

Set the first farm to use the XML Service at (one or more semicolon-separated server names).

XMLSPort=
,

The port used to contact the XML Service

SiteName=DAC Site”

The site name as used in XenDesktop

Program Neighborhood Agent Site Creation

Command:

Sitemgr.exe –c "PNADest=1:/Citrix/PNAgent,XMLService=,XMLSPort=
,SiteName=PNAgent Site”

Command breakdown:

Site Manager command line string

Comment

Sitemgr.exe –c

Create a new site using a definition (in quotes)

"PNADest=1:/Citrix/PNAgent,

Create Program Neighborhood Agent site at IIS site #1 (the IIS Default Web Site) using the XenDesktop path

XMLService=,

Set the first farm to use the XML Service at (one or more semicolon-separated server names).

XMLSPort=
,

The port used to contact the XML Service

SiteName= PNAgent Site”

The site name as used in XenDesktop

Traditional Web Interface (Desktop Branded)

Command:

Sitemgr.exe –c "WIDest=1:/Citrix/DesktopWeb,XMLService=, XMLSPort=
,WIDefaultSite=Yes, UIBranding=Desktops,SiteName=Internal Site”

Command breakdown:

Site Manager command line string

Comment

Sitemgr.exe –c

Create a new site using a definition (in quotes)

"WIDest=1:/Citrix/DesktopWeb,

Create Web Interface site at IIS site #1 (the IIS Default Web Site) using the XenDesktop path

XMLService=,

Set the first farm to use the XML Service at (one or more semicolon-separated server names).

XMLSPort=
,

The port used to contact the XML Service

WIDefaultSite=Yes,

Make Web Interface the IIS default site

UIBranding=Desktops,

Brand the site for Desktops (rather than Applications)

SiteName=Internal Site”

The site name as used in XenDesktop

Post Installation Configuration

After each site has been created, the MetaInstaller writes a set of common defaults and site specific settings to the WebInterface.conf and default.ica files stored under each site’s \conf directory. The majority of available settings are pre-listed and commented out in the WebInterface.conf file.

In the default.ica file, the settings are organized into sections, and must be placed under the correct parent.

Common Settings

(Defaults for all three DAC, Program Neighborhood Agent, and Web Interface Sites)

Web interface.conf

Parameter

Value

Comment

AllowCustomizeLogoff

Off

Prevent users from customizing log off behaviour. Workspace control is not supported with XenDesktop.

AllowFontSmoothing

Off

Font Smoothing is not supported with XenDesktop

AllowUserPasswordChange

Always

Allow users to change password.

ClientProxy

*,Auto,-

Allow ICA client to detect client proxy settings automatically.

EnableFileTypeAssociation

Off

Disable client-side content redirection.

OverrideIcaClientname

Off

Do not override the ICA client name for desktop sessions.

CSG_EnableSessionReliability

On

Enable session reliability if Secure Gateway is used.

default.ica

Section

Parameter

Value

Comment

WFClient

TransportReconnectEnabled

Off

Auto Client Reconnect is disabled

Site Specific Settings

(Set in addition to common defaults)

Desktop Appliance Connector

Web interface.conf

Parameter

Value

Comment

AllowCustomizeClientPrinterMapping

On

Allow users to customize printer mapping during desktop sessions.

AllowCustomizeAudio

On

Allow users to customize the audio quality of desktop sessions.

AllowCustomizeReconnectAtLogin

Off

Prevent users from customizing reconnect at login behaviour. Workspace control is not supported with XenDesktop.

AllowCustomizeReconnectButton

Off

Prevent users from customizing whether the Reconnect link is displayed. Workspace control is not supported with XenDesktop.

AllowCustomizeShowHints

Off

Prevent users from customizing whether hints are displayed.

AllowCustomizeTransparentKeyPassthrough

On

Allow users to customize the behaviour of key combinations within desktop sessions.

AllowCustomizeWinColor

On

Allow users to customize the color depth of desktop sessions.

AutoLoginDefault

Off

Do not automatically log users in to the Web interface when pass-through authentication is configured.

EnableLogoffApplications

Off

Do not log off desktop sessions when users log off from Web Interface. Workspace control is not supported with XenDesktop.

EnableWorkspaceControl

Off

Workspace control is not supported with XenDesktop.

ShowHints

Off

ShowSearch

Off

WIAuthenticationMethods

Explicit

Enable explicit authentication only.

default.ica

Section

Parameter

Value

Comment

WFClient

SessionReliabilityTTL

15

Session reliability timeout

Program Neighborhood Agent

Web interface.conf

Parameter

Value

Comment

WIAuthenticationMethods

Explicit,SingleSignOn

Enable explicit authentication and pass-through authentication.

default.ica

Section

Parameter

Value

Comment

WFClient

SessionReliabilityTTL

15

Session reliability timeout

Additional settings:

In order to enable single-sign on, in the \conf\config.xml file, the line:

prompt

is replaced with

prompt sson

Traditional Web Interface

Web interface.conf

Parameter

Value

Comment

WIAuthenticationMethods

Explicit

Enable explicit authentication only.

AutoLaunchDesktop

On

Automatically launch a desktop session if only one desktop is available to the user.

UpgradeClientsAtLogin

On

Automatically prompt the user to upgrade their client.

ClientIcaWin32

Filename:DesktopReceiver.msi

Set the win32 client type for XenDesktop

default.ica

Section

Parameter

Value

Comment

WFClient

SessionReliabilityTTL

60

Session reliability timeout

This document applies to:

XenDesktop 3.0 x32

Desktop Delivery: 

Multiple PICA Network Nodes during a Virtual Desktop Agent Upgrade

Multiple PICA Network Nodes during a Virtual Desktop Agent Upgrade

Document ID: CTX121215 / Created On: Jul 6, 2009 / Updated On: Jul 6, 2009
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Symptoms

In pre XenDesktop 3.0 Virtual Desktop Agent Upgrade you see the multiple PICA client network nodes in the Upgraded Virtual desktop Agent device (screen shot below).

If you look in the registry of the Upgraded Virtual Desktop Agent, you should see multiple entries for PICAClientNetwork.

HKLM\System\CurrentContolSet\Control\NetworkProvider\HwOrder

Cause

The issue was caused by the installer not removing the PICAClientNetwork and was not checking to see if it already existed before adding it during installation.

Resolution

This is resolved in XenDesktop 3.0 Virtual Desktop Agent Environment.

This document applies to:

XenDesktop 2.1 x32
XenDesktop 3.0 x32

Desktop Delivery: 

How to Integrate XenServer Redundantly into a XenDesktop Infrastructure

How to Integrate XenServer Redundantly into a XenDesktop Infrastructure

Document ID: CTX120383 / Created On: Apr 29, 2009 / Updated On: Jul 10, 2009
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Summary

This article describes how to integrate XenServer redundantly into a XenDesktop 3.0 infrastructure.

Background

XenDesktop allows integrating hypervisors like XenServer, Hyper-V, or ESX into a virtual desktop infrastructure for advanced management of the virtual machines (such as: start, stop, suspend, and so on). For an integration of XenServer in particular, this means specifying the Resource Pool master and valid user credentials within the Create Desktop Group dialog of the XenDesktop Access Management Console snap-in.

In case of an outage of the specified server, the desktop group cannot be administered nor is any automatic boot, reboot, or shutdown task successful, until the server is back online.

Procedure

The steps to complete the task:

1. Within the Create desktop Group dialog select Citrix Xen VM infrastructure (included with XenDesktop).

2. Click Options.

3. Specify a list of XenServers, which will be contacted in case of an outage of the Resource Pool Master, separated by semicolons as show in the screen shot below.

This document applies to:

XenDesktop 3.0 x32

Desktop Delivery: 

mySCC Scottsdale Community College

A quick video showing the sights of the SCC campus, the people behind the project and an interview with Dustin Fennell, CIO about the revolutionary "MySCC" project utilizing End to End Virtualization by Citrix Systems Inc.

Desktop Delivery: 

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