Article - CS103517
Error "FLEXnet Licensing error:-16,287" after installing the flexnet admin license server
Modified: 28-Oct-2025
Applies To
- Creo Parametric 2.0 to 12.4
- Microsoft Windows 7 x64bit
- Microsoft Windows10 x64bit
- Microsoft Windows Server 2008 x64bit R2
- Microsoft Windows Server 2012 x64bit R2
Description
- Error FLEXnet Licensing error:-16,287 after installing the flexnet admin license server on Windows Server 2008 R2 x64bit
- Unable to start the admin flexnet license server
- Licenses are displayed as counted in ptcstatus.bat of Flexnet Admin License Server
- Getting the error -16: cannot read data from server in ptcstatus.bat of FLexnet Admin License Server on Windows Server 2012 R2 x64bit
- Getting warning message '(-16) Cannot read data from license server system.' after launching an application
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