You can obtain your license files in. Licenses for a specific License Access Code, you cannot use that License. Programs >Citrix >License. InformationWeek Citrix xenapp license acquisition error (500) unable to acquire a license from server. Com: News, analysis and research for business technology.

Installed Citrix XenApp6 Fundamentals on Windows 2008 R2 in Decmber 2010 and all has worked perfectly until 3 days ago. Aerosoft Mega Airport Amsterdam Afcad. The serve has been part of a domain since day 1. All of a sudden when a user tries to load an application via the web interface they are able to authenticate and then upon attempting to launch an application they get the following error: Citrix XenApp license acquisition error(500) Unable to acquire a license from (SERVERNAME) server. Where SERVERNAME is the machine name of the server. No new software or hardware has been installed on the server.

We recently took over a Citrix server that has 40 licenses, but users cannot log on when there are more than 20 in use. The previous admin worked around this by setting a scheduled task to restart the Citrix Licensing service when the following entry is logged: Citrix XenApp license acquisition error (-4): All installed licenses are currently in use. After you install the licensing components, you are ready to obtain your license files from citrix.com. At citrix.com (or My Account), you generate a license file and.