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Article - CS20909

Error “ptc_d exited with status 25 (Invalid host)” reported in log file when starting the PTC FlexNet License Server service

Modified: 19-Aug-2025   


Applies To

  • Creo Illustrate 8.0.0.0
  • Pro/ENGINEER and Creo Elements/Pro Wildfire to Wildfire 5.0
  • Mathcad 14.0 to 15.0
  • Mathcad Prime 1.0 to 5.0
  • PTC Arbortext Editor 6.0 to 8.2
  • Windchill Quality Solutions Enterprise Edition 10.0 to 11.0
  • Windchill Quality Solutions Team Edition 10.0 to 11.0
  • Arbortext IsoDraw CADprocess 7.0 to 7.3
  • PTC Arbortext Styler 6.0 to 8.2
  • PTC Arbortext Publishing Engine 6.0 to 8.2
  • Creo Parametric 1.0 to 12.4

Description

  • Error (ptc_d) exited with status 25 (Invalid host) reported in the log file when starting the PTC FlexNet License Server service
  • Error (lmgrd) EXITING DUE TO SIGNAL 25 Exit reason 2
  • Error Flexnet Licensing error: -97, 121 occurs in Perform Status Enquiry of Lmtools UI
  • How to change network cards priority
  • Error: "ptc_d exited with status 25 (Invalid host)" is reported in the ptclmgrd.log file when attempting to implement PTC's vendor daemon along with multiple other vendor daemons controlled by a single lmgrd daemon
  • When installed on a machine with multiple FlexNet instances for other vendors controlled by a single lmgrd the log file shows errors:
##:##:## (lmgrd) ptc_d exited with status 25 (Invalid host)
##:##:## (lmgrd) Please correct problem and restart daemons
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