Article - CS29159
How to use ptcflush command to free floating licenses of inactive clients from the PTC License Server
Modified: 17-Nov-2025
Applies To
- Pro/ENGINEER and Creo Elements/Pro Wildfire to Wildfire 5.0
- Mathcad 14.0 to 15.0
- Mathcad Prime 1.0 to 11.0
- PTC Arbortext Editor 6.0 to 7.0
- PTC Arbortext Styler 6.0 to 7.0
- PTC Arbortext Publishing Engine 6.0 to 7.0
- Routed System Designer 8.0 to 1.0
- Creo Schematics 1.0 to 3.0
- Creo Parametric 1.0 to 12.4
- Arbortext IsoDraw CADprocess 7.3 to 7.4
- PTC License Server
Description
- How to use ptcflush command to free floating licenses of inactive clients
- Clear licenses for client applications which have been closed
- Unable to use all available licenses from license server
- License is getting locked in client machine and unable to return to server
- When setting TIMEOUTALL ptc.opt, license is not returned to license server after timeout duration has elapsed
- Unable to return license to server and make it available to others
- While running ptcflush error occurs:
lmremove bad version number must be floating point number, with no letters. (-77,4)
- ReRead License required to initiate within Flexnet Publisher to see free licenses
- Server shows the license is occupied even Creo Parametric is closed, how to release the license back to server
- How to forcibly release licenses for users who have not used them for a long time?
- Licenses are lingered on user machine even on closing application session
- Is there a way on the server side to kick people who are currently using Creo software at any time? If possible, what action is required?
- Licenses not getting released even after closing Creo and not even after executing ptcflush.bat file.
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