nicholas connolly

SUM306: Troubleshooting tools: How to isolate and resolve issues in your XenApp and XenDesktop environment more rapidly

Nicholas Connolly

Tech Lead Application & Desktop Delivery Support Team - EMEA

Tuesday, 16 Oct, 3:30 pm - 4:15 pm / CCIB - Room 113

© 2012 Citrix | Confidential – Do Not Distribute

Agenda

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• XenApp connectivity issues

• Citrix Policies

• Session Sharing issues

• XenDesktop registration issues

• Citrix Scout and XD Collector

• TAAS 2.0


XenApp Connectivity Issues

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• Application launch failures:

• ICA connectivity 1494/2598

• DNS resolution

• Application launches stuck at splash screen


“An error has occurred while connecting to the requested resource”

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Citrix Quick Launch 3.0 - App launch failures


“Users report that their Citrix sessions have disconnected and they cannot

reconnect”

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Citrix Quick Launch 3.0 - ICA Connectivity


“An error occurred while making the requested connection”

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Citrix Quick Launch 3.0 DNS resolution


“Users report that the application remains stuck at the splash screen

for several minutes before successfully loading”

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Application launch stuck at the splash screen -Seamless Settings Configuration tool


Citrix Policies

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Citrix Policies

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Citrix Policies - Policy Modeling and GP Results

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• Citrix Group Policy Modeling wizard

• Simulate user or computers for testing

• Run from App Center Console (Citrix AD and IMA policies)

• Group Policy Results – current state of GPO’s

• HKLM\SOFTWARE\Policies\Citrix


“The session idle timeout does not apply at the given interval”

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Session Sharing

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• A user is consuming multiple sessions

• Inefficient use of server resources

• Published application settings can be different

• Session Sharing disabled for specific applications

• User Error (double clicking)


Session Sharing

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• Separate Zone Data Collector (Zone Controller)

• Try to narrow down the behaviour as best possible

• Use CDF Control to capture trace on ZDC/Controller

• Record key info: user name, client name, server and session id

• HKLM\SOFTWARE\Citrix\Ica\Session\[n]\Connection

• Analyse Trace for root cause

Connection Details

HKLM\SOFTWARE\Citrix\Ica\Session\[n]\Connection

•AppName(s)•App State•Color Depth•User Name•Domain Name•Encryption•Session Guid•Session Sharing Key


“A customer reports that they are seeing multiple sessions for some

users across the farm”

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Session Sharing and CDF Control

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“XenDesktop VDA’s showing as Unregistered on the DDC”

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XenDesktop Registration Problems XDPing

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• Information and status of Network Interfaces and Network settings.

• Performs DNS lookup and reverse lookup on the IP address of the device.

• Information on Time synchronization and time check for Kerberos Authentication

• User information for login User

• Machine information

• Information on XenDesktop Services

• Displays information on the Windows Firewalls

• Queries the local event log to check for known events that are related to XenDesktop.

• Provides client bandwidth and response time information from the VDA to the client.


Citrix Scout

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• XenApp

• XenDesktop

• Captures key data points

• CDF traces for multiple machines

• secure and reliable upload of the data package to Citrix Technical Support.


Citrix Scout

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Citrix Scout

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Citrix Scout

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XD Collector

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Tool as a Service 2.0 (TaaS)

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• Available for XenDesktop, NetScaler and XenServer

• XenApp, Provisioning Services and XenClient Enterprise coming soon

• Secure upload of data

• Auto-analysis capabilities

• What is a TaaS plug-in?

• Agile Development – Updates to TaaS site and collection tools every 3 weeks

• Notification via email

• Ability to view and download report from within TAAS 2.0 site


Tool as a Service 2.0 (TaaS)

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Questions and Answers

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nicholas connolly

Documents

citrix confidential

citrix sessions

app center console citrix

distributecitrix quick

distributesession sharing

application launch failures

distributeapplication

app launch failures