This article is intended for Citrix administrators and technical teams only.
 
Non-admin users must contact their company’s Help Desk/IT support team and can refer to CTX297149 for more information.



The following error is returned by the Citrix Gateway to Citrix CWA app when application/desktop launch fails:
Failed to launch session <session_name>. Error code: 2501

This ticket indicates that STA ticket validation has failed for Enlightened Data Transport. 

No config change/user action is needed. Retrying to launch app/desktop may help. If the issue persists please contact Citrix Support.