Unable to obtain license for Creo Schematics

[FD_8974029]

I am using Creo Schematics 3.0 M020

使用flexnetlicenseserver11.16.2.1在server 2019上部署许可，但是在客户端获取不到许可

Here are the errors that I faced
严重 Unable to obtain license for Creo Schematics

[VladimirN]

Here are solutions to this problem:

• "Getting the error message "Unable to obtain license for Creo Schematics" in Creo Schematics 4.0": https://www.ptc.com/en/support/article/CS254871 
• "Unable to launch Creo Schematics with error message "Unable to obtain license for Creo Schematics" in Creo Schematics": https://www.ptc.com/en/support/article/CS60668 
• "Error: "Unable to obtain license for Creo Schematics" received when launching Creo Schematics 1.0 with the license of Creo Schematics 2.0": https://www.ptc.com/en/support/article/CS59742 

And similar topics have already been discussed:

https://community.ptc.com/t5/Addtl-Creo-Products-View-Sketch/Help-Unable-to-obtain-license-for-creo-schematics-1-0/m-p/132518

https://community.ptc.com/t5/Addtl-Creo-Products-View-Sketch/Help-Unable-to-obtain-license-for-creo-schematics-2-0/td-p/23565