Slides from Bay Area Citrix User Group meeting (BayCUG)

1. Citrix Troubleshooting: Deep Dive
Denis Gundarev
Senior Consultant
Entisys Solutions

2. Guide to troubleshooting
Phase 1 Phase 2 Phase 3
Identify
the Issue
Profit

4. StoreFront Troubleshooting

5. What’s the topic?
• Not a basic “Restart the computer” stuff
• Do not restart the computer if you going to troubleshoot the issue
• Not a CDF tracing tutorial
• Search for TechEdge presentations on citrix.com
• Not a dump analysis workshop
• Check Dmitry Vostokov’s dumpanalosys.com

6. Generic Errors in StoreFront

7. Step 1: Check event logs

8. Search Files for Text
PS C:>Get-ChildItem -Recurse *.config|Select-String "net.pipe://localhost/Citrix/Authentication/Win32"
Select-Object -Property Path, LineNumber
|
|Out-GridView -OutputMode Multiple |%{notepad $_.Path}

9. Find Service by Executable Path
PS C:>Get-WmiObject -Class Win32_Service -Filter "pathname like '%defaultdomainservices%'"
Select-Object -Property Displayname, PathName, Started
|
|Out-GridView

11. Search Files for Text
PS C:>Get-ChildItem -Recurse *.config|Select-String "loadbalancer.corp.itbubble.ru"
Select-Object -Property Path, LineNumber
|
|Out-GridView -OutputMode Multiple |%{notepad $_.Path}

12. Search Files for Text
PS C:>Get-ChildItem -Recurse *.config|Select-String "loadbalancer.corp.itbubble.ru"
Select-Object -Property Path, LineNumber
|
|Out-GridView -OutputMode Multiple |%{notepad $_.Path}

13. Fiddler

14. Fiddler

15. Fiddler
• Set-Cookie:
NSC_ttmx=ffffffffc3a01fa645525d5f4f58455e445a4a423660;expires=Sun, 14-
Jul-2013 13:46:47 GMT;path=/;secure;httponly
• Set-Cookie:
NSC_ttmx=ffffffffc3a01fa245525d5f4f58455e445a4a423660;expires=Sun, 14-
Jul-2013 13:47:15 GMT;path=/;secure;httponly
• Set-Cookie:
NSC_ttmx=ffffffffc3a01fa645525d5f4f58455e445a4a423660;expires=Sun, 14-
Jul-2013 13:47:15 GMT;path=/;secure;httponly
• Set-Cookie:
NSC_ttmx=ffffffffc3a01fa245525d5f4f58455e445a4a423660;expires=Sun, 14-
Jul-2013 13:47:15 GMT;path=/;secure;httponly

17. StoreFront tracing
• http://support.citrix.com/proddocs/topic/dws-storefront-10/dws-
troubleshoot.html
• To enable tracing
• Using an account with local administrator permissions on the Receiver
Storefront server, start Windows PowerShell and, at a command prompt, type
the following commands.
• > Add-PSSnapin Citrix.DeliveryServices.Framework.Commands
• > Set-DSTraceLevel -All -TraceLevel Verbose
• To disable tracing, type the following commands.
• > Add-PSSnapin Citrix.DeliveryServices.Framework.Commands
• > Set-DSTraceLevel -All -TraceLevel Off

18. StoreFront tracing

19. Service Configuration Editor
• Available with Windows SDK
• allows administrators to
modify configuration
settings for WCF services
using a graphical user
interface

20. Search Files for Text
PS C:>Get-ChildItem -Recurse *.config -ErrorAction SilentlyContinue |
|Select-Object -Property Path,LineNumber |Select-String "Program FilesCitrixReceiver StoreFrontAdminTrace"
Out-GridView -OutputMode Multiple |%{c:SvcConfigEditor.exe $_.Path}

21. Set up XML tracing
• Diagnostics -> Listeners -> SetDSTraceLevelCmdletListener

22. Set up XML tracing
• InitData -> c:temp<ServiceName>.svclog
• TypeOutputOptions ->
-> Check all fields
• TypeName ->
System.Diagnostics.XmlWriterTraceListener

23. Service Trace Viewer Tool (SvcTraceViewer.exe)

24. Service Trace Viewer Tool (SvcTraceViewer.exe)

25. Receiver for Web

26. 26

27. 27

28. 28

29. 29

30. 30

31. ILSpy .Net Decomplier

32. 32
ILSpy
• Available at http://ILSpy.net
• Free

33. 33
• Unhandled exception error when browsing for an application in
Delivery Services Console or AppCenter

34. 34
• System.IO.DirectoryNotFoundException: The system cannot find the path specified. (Exception from HRESULT:
0x80070003)
• at IWshRuntimeLibrary.IWshShortcut.Save()
• at Citrix.CMI.PSE.Utils.FileBrowsing.CreateServerLinks(FileDialog dialog, ServerSet serverSet, ModifyShareNameCallback
modifyShareNameCallback)
• at Citrix.CMI.PSE.Cmo.App.PropertyPages.InstalledICALocationPage.u_browseCommandLineButton_Click(Object sender,
EventArgs e)
• at System.Windows.Forms.Control.OnClick(EventArgs e)
• at System.Windows.Forms.Button.OnClick(EventArgs e)
• at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
• at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
• at System.Windows.Forms.Control.WndProc(Message&#38; m)
• at System.Windows.Forms.ButtonBase.WndProc(Message& m)
• at System.Windows.Forms.Button.WndProc(Message8; m)
• at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message&; m)
• at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
• at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

35. 35
• Cause:
• Customer have Folder redirection implemented via GPO and
"Links" special folder is redirected.
• Citrix Management console doesn't handle folder redirection and
assume that %USERPROFILE%Links folder exists.
•
private static readonly string FavoriteLink =
Path.Combine(Path.Combine(Environment.GetEnvironmentVa
riable("USERPROFILE"), "Links"),
Services.ResString.GetGlobal("$Profile_Links_Shortcut_Nam
e") + ".lnk");

36. 36

37. 37
• Get-ChildItem -Recurse *.* -ErrorAction SilentlyContinue|Select-
String "XenDesktop is not installed" |Select-Object -Property Path

38. 38

39. 39

40. 40

41. Q&A
• @fdwl
• denisg@entisys.com
• http://BayCUG.com
• http://blog.itbubble.ru