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2363139 - FlexNet Licensing error:-15,10. System Error: 10061 "WinSock: Connection refused"


When installing PD 16.6 and trying to connect to a SySAM license server, it failed with the error below.

Failed to obtain 1 license(s) for PD_SHELL feature from license file(s) or server(s).
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.
License feature name: PD_SHELL
License server host: ::1
License search path: C:\Users\ADMTHO~1\AppData\Local\Temp\2\{5A247C91-296C-40B3-ACDC-B2D7F0B33D52}\{AB1E6446-8D82-45B4-B409-4034D6A446DC}\PowerDesigner.server.lic;
FlexNet Licensing error:-15,10. System Error: 10061 "WinSock: Connection refused"
For further information, refer to the Sybase Software Asset Management website at

Firewall is disabled and telnet to port 27000 was successful across the network.
Edited the license files to use port 27000 and 27010 as described in the install guide, but the result was the same.
There was no problem in the served license.



PowerDesigner 16.6 SP01
Operating System Version: Windows 2008 R2 Standard 64 bit


SAP PowerDesigner 16.6


SAP Powerdesigner, license, FlexNet Licensing error, System Error: 10061, WinSock: Connection refused , KBA , BC-SYB-PD , PowerDesigner , Problem

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