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KB25815 - Citrix Listed application fails to launch with error 'Unable to launch your application. Contact your help desk with the following information: Cannot connect to the Citrix Xenapp server'

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Information

 
Last Modified Date11/4/2016 9:51 PM
Synopsis
This article describes an issue with TS bookmarks configured as Citrix listed apps where the error "Unable to launch your application. Contact your help desk with the following information: Cannot connect to the Citrix XenApp server" occurs when user clicks on bookmark.  
 
Problem or Goal
A user has configured Citrix Terminal Services in the device to access the Citrix resource:




When a user logs on to the device, it lists the Citrix application; as illustrated in the following image:

User-added image

However, when the user tries to launch any Citrix application, the Unable to launch your application. Contact your help desk with the following information: Cannot connect to the Citrix XenApp Server. The Citrix XenApp server you have selected is not accepting connections error message is generated:

Cause
Solution
This issue is due to the ICA file not binding to the correct loopback IP address; instead it is binding to some random IP address. The Client debug log from the user' computer displays the following information:




Due to the winsock error, the Replacing with Address part has to be mapped to the appropriate loopback IP address; but it is incorrectly mapped to some random IP address:




To correct the mapping issue, perform the following procedure:
 
  1. Open the Command Prompt with administrator rights, type the following command, wait for a status message, and reboot the client's computer:
    netsh int ip reset c:\resetlog.txt
  2. Open the CMD Prompt with administrator rights, type the following command, wait for a status message, and reboot the client's computer:
    netsh winsock reset
Related Links
Attachment 1 
Created ByData Deployment

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