Reno Genest
Ansys Employee


We do not issue node locked licenses anymore; we only issue network licenses. Please set the following environment variable on the client machine:


Also, the "Bad license keys" error is usually caused by one of the following:

  1. The license file was modified. The LSTC license file cannot be modified (change the text, etc.) or else the bad license key error will show up. Please use the original LSTC license file that was sent to you.
  2. You are using an older version of the LSTC license manager. The solution is to upgrade to the latest:

username: user

password: computer


Here is the LSTC license manager installation procedure for Windows:

Here it is for Linux:


Finally, the following website will have most of the LS-DYNA resources:


Let me know how it goes.