nicholas connolly
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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
2
• XenApp connectivity issues
• Citrix Policies
• Session Sharing issues
• XenDesktop registration issues
• Citrix Scout and XD Collector
• TAAS 2.0
© 2012 Citrix | Confidential – Do Not Distribute
XenApp Connectivity Issues
3
• Application launch failures:
• ICA connectivity 1494/2598
• DNS resolution
• Application launches stuck at splash screen
© 2012 Citrix | Confidential – Do Not Distribute
“An error has occurred while connecting to the requested resource”
4
© 2012 Citrix | Confidential – Do Not Distribute
Citrix Quick Launch 3.0 - App launch failures
© 2012 Citrix | Confidential – Do Not Distribute
“Users report that their Citrix sessions have disconnected and they cannot
reconnect”
6
© 2012 Citrix | Confidential – Do Not Distribute
Citrix Quick Launch 3.0 - ICA Connectivity
© 2012 Citrix | Confidential – Do Not Distribute
“An error occurred while making the requested connection”
8
© 2012 Citrix | Confidential – Do Not Distribute
Citrix Quick Launch 3.0 DNS resolution
© 2012 Citrix | Confidential – Do Not Distribute
“Users report that the application remains stuck at the splash screen
for several minutes before successfully loading”
10
© 2012 Citrix | Confidential – Do Not Distribute
Application launch stuck at the splash screen -Seamless Settings Configuration tool
© 2012 Citrix | Confidential – Do Not Distribute
Citrix Policies
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© 2012 Citrix | Confidential – Do Not Distribute
Citrix Policies
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© 2012 Citrix | Confidential – Do Not Distribute
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
© 2012 Citrix | Confidential – Do Not Distribute
“The session idle timeout does not apply at the given interval”
15
© 2012 Citrix | Confidential – Do Not Distribute
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)
© 2012 Citrix | Confidential – Do Not Distribute
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
© 2012 Citrix | Confidential – Do Not Distribute
“A customer reports that they are seeing multiple sessions for some
users across the farm”
19
© 2012 Citrix | Confidential – Do Not Distribute
Session Sharing and CDF Control
20
© 2012 Citrix | Confidential – Do Not Distribute
“XenDesktop VDA’s showing as Unregistered on the DDC”
21
© 2012 Citrix | Confidential – Do Not Distribute
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.
© 2012 Citrix | Confidential – Do Not Distribute
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.
© 2012 Citrix | Confidential – Do Not Distribute
Citrix Scout
24
© 2012 Citrix | Confidential – Do Not Distribute
Citrix Scout
25
© 2012 Citrix | Confidential – Do Not Distribute
Citrix Scout
26
© 2012 Citrix | Confidential – Do Not Distribute
XD Collector
27
© 2012 Citrix | Confidential – Do Not Distribute
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
© 2012 Citrix | Confidential – Do Not Distribute
Tool as a Service 2.0 (TaaS)
29
© 2012 Citrix | Confidential – Do Not Distribute
Questions and Answers
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