Support Knowledge Base

When running COMSOL Multiphysics, COMSOL Server, or COMSOL Client in an Internet Protocol version 6 (IPv6) environment, some functionality may not work as expected unless you apply the software patches made available...
Version: 5.4 - Platform: All Platforms

When using a three-server redundancy setup for hosting the license manager, license handling does not work correctly if the designated Primary server goes down. To work around this, make sure that the license manager...
Version: 5.3, 5.3a, 5.4 - Platform: All Platforms

In COMSOL Multiphysics 5.4, I receive some or all of the following error messages: The license could not be validated No such feature exists Feature: SERIAL License Path: C:\...\license.dat FlexNet licensing...
Version: 5.4 - Platform:

After installing an update for COMSOL Multiphysics 5.3 I have one of the following issues When launching COMSOL Multiphysics, I get an Unexpected Error or a message that the client and server versions do not match. I...
Version: 5.3 - Platform: All Platforms

If the COMSOL installation path contains a space, an error is returned when running the functions mphstart and mphlaunch at the MATLAB prompt. The error returned when running mphlaunch is: 'C:\Program' is not...
Version: 5.3 - Platform: All Platforms

My LiveLink interface is not working properly. For example: When I try to synchronize my CAD drawing, I get an error that the connection has failed. The COMSOL Multiphysics tab or menu does not appear in the CAD...
Version: All versions - Platform: Windows

When I try to synchronize the geometry between COMSOL and PTC Creo Parametric, the error message Failed to connect to PTC Creo Parametric. Please make sure PTC Creo Parametric is running. is displayed, and the COMSOL...
Version: All versions - Platform: Windows

I want to run my COMSOL Multiphysics license (FNL) and my COMSOL Server license (CSL) from the same license manager. How do I do that? Please note that this solution is about combining an FNL license file with a CSL...
Version: All versions - Platform: All Platforms

When I try to start the license manager for COMSOL 5.0, or later, on my Linux distribution I get an error message saying: ./lmgrd: Command not found. or ./lmgrd: No such file or directory The license manager requires...
Version: All versions - Platform: Linux

When I start COMSOL Multiphysics on Windows I get one of the following error messages: comsol.exe - .NET Framework Initialization Error To run this application, you must first install one of the following versions of...
Version: All versions - Platform: Windows