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Article - CS400862

"FlexNet Licensing Error 15,570" when launching PTC Modeler

Modified: 02-Apr-2026   


Applies To

  • PTC Modeler 10.0 to 10.2

Description

  • Modeler 10.0 Standalone installed with Floating License Manager fails to launch with FlexNet error ‑15,570, even though the license file is applied successfully
  • Floating License Server installed as part of Server Only installation is not working 
    • Client installs cannot access a license
  • Error message contents:
    Cannot connect to license server system. The license server manager (lmgrd) has not been started yet, the wrong port@host is being used, or the port or hostname in the license file has been changed.
Feature: ARTISANARTS
Server name: xxx-xxx-xxx
License path: C:\ProgramData\PTC Integrity Modeler\License Manager\artisan.lic
FlexNet Licensing Error: -15,570
To open the application, you need to get an appropriate license via license manager. Do you want to open license manager now?
  • Using a server-based floating license and client points to some other license server or the new license file is not correctly replaced on the license server
  • Further assistance needed with replacing new license files
  • Renaming a license file required
  • PTC Modeler error when trying to open the application


 

                

            
           
            

                
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