User maximum has been reached error message in Agile Designer

Document ID : KB000004153
Last Modified Date : 14/02/2018
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When launching Agile Designer, I am receiving a 'User maximum has been reached' error message.

user maximum reached error.png

CA Agile Requirements Designer (ARD)- Agile Designer, formerly Test Case Optimizer (TCO)All product release versions.
  1. Multiple instance of Agile Designer (ARD) are running at the same time.
    • You may have launched ARD twice.
    • You may have launched ARD and then tried to open a VTF file (flow) from outside your ARD instance. For example, if you tried to launch a flow from your desktop, Windows explorer, email attachment, etc. 

  2. Multiple users are trying to access the same Agile Designer instance at the same time without concurrent licensing.

  3. If you do have concurrent licensing, it could mean that all your licenses are in use.

  4. If you do have concurrent licensing and you know that all your licenses are not in use, then there could be a problem with how your license was created.

Please try the most common resolution to this error message:

  1. Close all instances of Agile Designer.
  2. Open your Windows task manager to verify that Agile Designer is not running in the background. If it is, end the tasks/processes.
  3. Re-launch Agile Designer.


If you are still experiencing the error message, this may be a concurrent license issue. 

  1. If you know you have concurrent licenses, please make sure that they have been set up and configured correctly. This document reviews the process: 
  2. Check with your ARD license server administrator to verify that there are open licenses to use. 
  3. If multiple users are having this issue, please verify with the CA licensing team that the license you are using is a concurrent license type. To do this, please fill out this form:
Additional Information:

If you experience any further issues, please open a support case by going to or