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1935911 - System Error: 10035 "WinSock: Operation would block" - SAP PD


  • SySAM license server is installed and SAP PowerDesigner product has been downloaded.
  • Following error message is returned when launching SAP PD or SAP PB and obtaining an entitlement from SySAM:

lmgrd is not running: Cannot connect to license server system.
The license server manager (lmgrd) has not been started yet,
the wrong port@host or license file is being used, or the
port or hostname in the license file has been changed.
Server name: MyServer
License path: @MyServer;
FLEXnet Licensing error:-15,570. System Error: 10035 "WinSock: Operation would block"
For further information, refer to the FLEXnet Licensing documentation,
available at "".



  • SAP PowerDesigner (PD) 16.1
  • SAP PowerDesigner (PD) 16.5
  • SAP PowerBuilder (PB) 12.5 and 12.6
  • Sybase Software Asset Management (SySAM) 2.2
  • Sybase Software Asset Management (SySAM) 2.3


SAP PowerBuilder 12.5 ; SAP PowerBuilder 12.6 ; SAP PowerDesigner 16.5 ; SAP PowerDesigner, standard edition 16.5 ; SAP Sybase PowerDesigner 16.1 ; Sybase Software Asset Management 2.3


WinSock, IPv6 network, IPv4 , KBA , BC-SYB-PD , PowerDesigner , BC-SYB-PB , PowerBuilder , BC-SYB-SAM , Sybase Software Asset Management , Problem

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