Unable to Launch Application in Secure Gateway

Unable to Launch Application in Secure Gateway

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Article ID: CTX202872

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Updated On:

Description

Users are able to access the site, authenticate and enumerate apps. When they try to launch, they receive an error message: Unable to Launch Application.

Resolution

Complete the following steps:

  1. Check that Secure Gateway, Web Interface and XenApp are listening on the same ports.

  2. Secure Gateway: Run through the Secure Gateway Wizard and confirm that the STA(s) have the FQDN (or IP) and that the TCP port matches that of Web Interface and XenApp.

  3. Web Interface: Under the setting for Secure Access, click next until you get to the Specify Secure Ticket Authority Settings windows and confirm that the STA URL(s) are using the correct port. If not, highlight the STA, click Edit... and adjust the URL to reflect the proper port.

  4. XenApp: Open a command line and run the command: netstat -ano to see if the XenApp server is listening on the same port which is configured on SG and WI. If not, run the commands:
    net stop w3svc (this will stop IIS)
    ctxxmlss /u (this will un-register the existing port in use)
    ctxxmlss /r"nn" ("nn" represents the port number which you wish to register. Type it without the quotation marks. Ex. ctxxmlss /r8080)
    net start w3svc (this will restart IIS)

Note: If making a change to the Secure Gateway, let the customer know that you will have to restart the Secure Gateway and this will disrupt the sessions of any currently connected.

Problem Cause

Mismatched ports.
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