Article - CS225432

Calling on IpfcAsyncConnection.Connect() fails with error: "System.Runtime.InteropServices.COMException (0x80020009): pfcException::XToolkitNotFound"

Modified: 10-Sep-2026   


Applies To

  • Creo Parametric 3.0 to 13.4
  • Creo+
  • Creo Parametric VB API

Description

  • Calling on IpfcAsyncConnection.Connect() fails with error:
System.Runtime.InteropServices.COMException (0x80020009): pfcException::XToolkitNotFound
  • nmsd.exe is not running when starting the VB API application
  • Multiple nmsd.exe processes are running when starting the VB API application
  • The VB API application can connect to Creo Parametric when started by a TOOLKIT application, but cannot connect to Creo when started from Visual Studio or directly from the .exe file
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