Tag Archives: Citrix

Fix for Citrix Eventlog Errors 0, 1309

Yesterday – with one of Citrix Installations I support users reported that Web Interface performance has started degrading. Initially it took longer for initial loading of web page to get to Citrix Logon Page and longer logon times once users supply Login Name and Password and Click Logon at logon page. After a little while it changed to following message once user provides credentials and click logon.

The Web site is experiencing technical difficulties. We apologize for any inconvenience.

The internal error may only be temporary. Try reconnecting and, if the problem persists, contact your system administrator.

After reviewing eventlogs further on the server – I found following two errors back to back in Application Eventlog.

Source: Citrix Web Interface

Event ID: 0

Category: None

TYPE:Error

Site path: c:\inetpub\wwwroot\Citrix\XenApp.

A critical server error has occurred: System.Web.HttpException: Request timed out. [Log ID: 1e3ef1bb]

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Source: ASP.NET 2.0.50727.0

Event ID: 1309

Category: Web Event

TYPE:WARNING

Event code: 3001

Event message: The request has been aborted.

Event time: 6/6/2009 7:10:41 AM

Event time (UTC): 6/6/2009 12:10:41 PM

Event ID: f3cd069ff8ae4acfbfce2275c7763250

Event sequence: 14

Event occurrence: 1

Event detail code: 0

Application information:

Application domain: /LM/W3SVC/1/ROOT/Citrix/XenApp-1-128887636984531250

Trust level: Full

Application Virtual Path: /Citrix/XenApp

Application Path: c:\inetpub\wwwroot\Citrix\XenApp\

Machine name: WEBINTERFACE SERVER

Process information:

Process ID: 9536

Process name: w3wp.exe

Account name: NT AUTHORITY\NETWORK SERVICE

Exception information:

Exception type: HttpException

Exception message: Request timed out.

Request information:

Request URL: http://dom.domain.com/Citrix/XenApp/auth/login.aspx

Request path: /Citrix/XenApp/auth/login.aspx

User host address: XXX.XXX.XXX.XXX

User:

Is authenticated: False

Authentication Type:

Thread account name: NT AUTHORITY\NETWORK SERVICE

Thread information:

Thread ID: 5

Thread account name: NT AUTHORITY\NETWORK SERVICE

Is impersonating: False

Stack trace:

Custom event details:

For more information, see Help and Support Center at MS etc. etc.

I reset IIS few times and performance will improve for first login and after that it will be back to previous state with same errros in the eventlog. I uninstalled and recreated website with same results but no luck. I repaired Citrix Web Interface installation without much luck. I also Granted NT AUTHORITY\Network Service write permissions on ASP.NET Temp Directories as explained in http://forums.asp.net/p/907937/1009851.aspx . No Luck.

Finally this is what I tried and seems like it did the trick

1. Removed Web Interface by going to Add/Remove Programs –> Remove Citrix Web Interface

2.Verified that Citrix Web Interface Directories are gone from wwwroot – if not manually delete those

3.Uninstalled ASP.Net Version referenced in Eventlog using following switch

C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Aspnet_regiis -ua

4.Restarted IIS

5.Installed ASP.Net version I removed in previous steps by using following switch

C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -i

6.Installed Citrix Web Interface

7.Created Web Interface

8.Configured Web Interface

9.Recreated Access Methods/Translations

And it did the trick… For web interface is working just fine now..

Also on a side note there was a harddrive failure on that server which rebuilt itself but I was not able to find any connection between webinterface issues and harddrive failure…

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Gourami Tools

Gourami has some excellent Citrix Tools, They used to be free but Most of them are paid at this point. One of the better free one is UNICA which allows you to uninstall all versions of ICA installed on a workstation.

http://www.gourami.eu/products

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